CN104054752A - Composition and application thereof in dehydration of rice seed - Google Patents
Composition and application thereof in dehydration of rice seed Download PDFInfo
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 134
- 235000009566 rice Nutrition 0.000 title claims abstract description 134
- 239000000203 mixture Substances 0.000 title claims abstract description 108
- 230000018044 dehydration Effects 0.000 title claims abstract description 8
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 8
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 134
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000005507 spraying Methods 0.000 claims abstract description 46
- 239000004009 herbicide Substances 0.000 claims abstract description 31
- 230000002363 herbicidal effect Effects 0.000 claims abstract description 24
- 229910017053 inorganic salt Inorganic materials 0.000 claims abstract description 20
- 150000003839 salts Chemical class 0.000 claims abstract description 3
- 239000002904 solvent Substances 0.000 claims abstract description 3
- 239000005630 Diquat Substances 0.000 claims description 43
- SYJFEGQWDCRVNX-UHFFFAOYSA-N diquat Chemical compound C1=CC=[N+]2CC[N+]3=CC=CC=C3C2=C1 SYJFEGQWDCRVNX-UHFFFAOYSA-N 0.000 claims description 43
- FIKAKWIAUPDISJ-UHFFFAOYSA-L paraquat dichloride Chemical compound [Cl-].[Cl-].C1=C[N+](C)=CC=C1C1=CC=[N+](C)C=C1 FIKAKWIAUPDISJ-UHFFFAOYSA-L 0.000 claims description 23
- HKPHPIREJKHECO-UHFFFAOYSA-N butachlor Chemical compound CCCCOCN(C(=O)CCl)C1=C(CC)C=CC=C1CC HKPHPIREJKHECO-UHFFFAOYSA-N 0.000 claims description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 8
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 8
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 8
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 7
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 7
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 239000001103 potassium chloride Substances 0.000 claims description 4
- 235000011164 potassium chloride Nutrition 0.000 claims description 4
- 235000010344 sodium nitrate Nutrition 0.000 claims description 4
- 239000004317 sodium nitrate Substances 0.000 claims description 4
- 239000011592 zinc chloride Substances 0.000 claims description 4
- 235000005074 zinc chloride Nutrition 0.000 claims description 4
- 229910021645 metal ion Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- VTNQPKFIQCLBDU-UHFFFAOYSA-N Acetochlor Chemical compound CCOCN(C(=O)CCl)C1=C(C)C=CC=C1CC VTNQPKFIQCLBDU-UHFFFAOYSA-N 0.000 claims description 2
- 244000025254 Cannabis sativa Species 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- XCSGPAVHZFQHGE-UHFFFAOYSA-N alachlor Chemical compound CCC1=CC=CC(CC)=C1N(COC)C(=O)CCl XCSGPAVHZFQHGE-UHFFFAOYSA-N 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 235000017550 sodium carbonate Nutrition 0.000 claims description 2
- ZSDSQXJSNMTJDA-UHFFFAOYSA-N trifluralin Chemical compound CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O ZSDSQXJSNMTJDA-UHFFFAOYSA-N 0.000 claims description 2
- YZHUMGUJCQRKBT-UHFFFAOYSA-M sodium chlorate Chemical compound [Na+].[O-]Cl(=O)=O YZHUMGUJCQRKBT-UHFFFAOYSA-M 0.000 claims 4
- NOQGZXFMHARMLW-UHFFFAOYSA-N Daminozide Chemical compound CN(C)NC(=O)CCC(O)=O NOQGZXFMHARMLW-UHFFFAOYSA-N 0.000 claims 2
- 239000005983 Maleic hydrazide Substances 0.000 claims 2
- BGRDGMRNKXEXQD-UHFFFAOYSA-N Maleic hydrazide Chemical compound OC1=CC=C(O)N=N1 BGRDGMRNKXEXQD-UHFFFAOYSA-N 0.000 claims 2
- AAEVYOVXGOFMJO-UHFFFAOYSA-N prometryn Chemical compound CSC1=NC(NC(C)C)=NC(NC(C)C)=N1 AAEVYOVXGOFMJO-UHFFFAOYSA-N 0.000 claims 2
- 239000005562 Glyphosate Substances 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 claims 1
- 229940097068 glyphosate Drugs 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 230000005070 ripening Effects 0.000 abstract description 22
- 210000005069 ears Anatomy 0.000 abstract description 20
- 238000002360 preparation method Methods 0.000 abstract description 19
- 239000007921 spray Substances 0.000 abstract description 19
- 230000035784 germination Effects 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000001568 sexual effect Effects 0.000 abstract 1
- 230000002195 synergetic effect Effects 0.000 abstract 1
- 238000003306 harvesting Methods 0.000 description 24
- 238000011282 treatment Methods 0.000 description 20
- 239000000243 solution Substances 0.000 description 16
- 238000003556 assay Methods 0.000 description 15
- 239000012153 distilled water Substances 0.000 description 13
- 239000007864 aqueous solution Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
- 239000011259 mixed solution Substances 0.000 description 5
- RDFLLVCQYHQOBU-GPGGJFNDSA-O Cyanin Natural products O([C@H]1[C@H](O)[C@H](O)[C@H](O)[C@H](CO)O1)c1c(-c2cc(O)c(O)cc2)[o+]c2c(c(O[C@H]3[C@H](O)[C@@H](O)[C@H](O)[C@H](CO)O3)cc(O)c2)c1 RDFLLVCQYHQOBU-GPGGJFNDSA-O 0.000 description 4
- RDFLLVCQYHQOBU-ZOTFFYTFSA-O cyanin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC(C(=[O+]C1=CC(O)=C2)C=3C=C(O)C(O)=CC=3)=CC1=C2O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 RDFLLVCQYHQOBU-ZOTFFYTFSA-O 0.000 description 4
- 239000012629 purifying agent Substances 0.000 description 4
- PWWVAXIEGOYWEE-UHFFFAOYSA-N Isophenergan Chemical compound C1=CC=C2N(CC(C)N(C)C)C3=CC=CC=C3SC2=C1 PWWVAXIEGOYWEE-UHFFFAOYSA-N 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- -1 rutazine Chemical compound 0.000 description 3
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- 229930182555 Penicillin Natural products 0.000 description 2
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229940049954 penicillin Drugs 0.000 description 2
- 230000007226 seed germination Effects 0.000 description 2
- 239000004471 Glycine Substances 0.000 description 1
- 239000007836 KH2PO4 Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
本发明公开了一种组合物及其在水稻种子脱水中的应用，所述组合物以水为溶剂，含有重量百分比为0.01％～0.1％的除草剂，重量百分比为3％～15％的水溶性无机盐。将所述的组合物应用于水稻种子的脱水，在水稻蜡熟末期，将所述组合物均匀喷施于稻穗上，喷施完5～7天之后收获水稻种子。采用本发明所述的组合物对水稻种子进行田间喷施处理，能显著降低水稻种子的含水量。相比单一除草剂，本发明的组合物中的除草剂和水溶性无机盐具有协同增效作用，在对种子进行快速脱水的同时，不但使种子保持较好的发芽性能，而且有效地提高了水稻种子的千粒重。该组合物制备方法简单，使用方便，安全高效，适合大田生产实践应用。The invention discloses a composition and its application in rice seed dehydration. The composition uses water as a solvent, contains 0.01% to 0.1% by weight of herbicide, and 3% to 15% by weight of water-soluble herbicide Sexual inorganic salts. The composition is applied to the dehydration of rice seeds, and the composition is evenly sprayed on the ears of rice at the end of wax ripening of the rice, and the rice seeds are harvested 5 to 7 days after the spraying. Using the composition of the invention to spray rice seeds in the field can significantly reduce the water content of the rice seeds. Compared with a single herbicide, the herbicide and water-soluble inorganic salt in the composition of the present invention have a synergistic effect, and while the seeds are rapidly dehydrated, not only can the seeds maintain better germination performance, but also effectively improve the germination performance of the seeds. Thousand-grain weight of rice seeds. The preparation method of the composition is simple, convenient to use, safe and efficient, and suitable for practical application in field production.
Description
技术领域technical field
本发明属于种子生产技术领域，具体涉及一种组合物及其在水稻种子脱水中的应用。The invention belongs to the technical field of seed production, and in particular relates to a composition and its application in rice seed dehydration.
背景技术Background technique
水稻是我国最重要的粮食作物之一，全国水稻种植面积约占粮食作物面积的30％，产量接近粮食总产量的一半。在水稻种植中，由于水稻种子收获前受到田间湿润气候的影响，种子及植株整体含水量较高，将增大水稻植株感染稻瘟病、细菌性条斑病等病症的可能性，并且增大水稻种子穗萌率，严重影响水稻种子的质量及产量。Rice is one of the most important grain crops in my country. The national rice planting area accounts for about 30% of the grain crop area, and the output is close to half of the total grain output. In rice planting, due to the influence of the humid climate in the field before rice seeds are harvested, the overall water content of seeds and plants is high, which will increase the possibility of rice plants being infected with diseases such as rice blast and bacterial streak disease, and increase the Seed panicle germination rate seriously affects the quality and yield of rice seeds.
目前，为了降低水稻种子成熟时的含水量，农户一般采用以下几种方法：(1)避开阴雨天气，提前收获水稻种子；(2)延迟收获，使水稻种子在田间自然晾干；(3)按时收获，再经人工晾晒或机械烘干到安全含水量。这些方法虽然能够降低水稻种子的含水量，但依然存在很多不足，例如避开阴雨天气，提前收获水稻种子可以起到降低含水量的作用，但是因缺乏后熟的过程，将影响水稻种子的质量。而其他两种方法却未能避免田间湿润闷热气候而使水稻种子穂萌率上升的情况发生。At present, in order to reduce the water content of rice seeds when they mature, farmers generally adopt the following methods: (1) avoid rainy weather and harvest rice seeds in advance; (2) delay harvesting and make rice seeds dry naturally in the field; (3) ) harvested on time, and then artificially dried or mechanically dried to a safe moisture content. Although these methods can reduce the water content of rice seeds, there are still many deficiencies, such as avoiding rainy weather, harvesting rice seeds in advance can reduce the water content, but due to the lack of post-ripening process, the quality of rice seeds will be affected . However, the other two methods failed to avoid the increase of rice seed germination rate due to the humid and hot climate in the field.
为了寻求一种简单便捷的降低水稻成熟时种子含水量的方法，目前有报道指出除草剂可作为植物的催枯剂，处理成熟作物时，残余的绿色部分和杂草迅速枯干，便于提早收割。也有报道指出可使用敌草快在水稻收获前催枯水稻茎叶和干燥水稻种子，陈轶，张倩倩，《中国稻米》2011，17(2)：45-46，“催枯剂敌草快在单季晚稻上的应用效果初探”公开了一种专用催枯剂20％敌草快AS对活株稻穗进行喷施，喷施敌草快7d后，稻谷含水量由22％降至17％。虽然该方法简单便捷，而且可以有效地降低稻谷的水分含量，但文章中并未提及直接喷施敌草快对水稻种子的产量及质量会产生极大的负面影响。因此探讨如何在有效降低水稻种子含水量，促进田间提早收获的同时，还能够确保甚至提高水稻种子的产量，保证水稻种子质量不受影响至关重要。In order to find a simple and convenient method to reduce the water content of rice seeds when they are mature, there are reports that herbicides can be used as desiccants for plants. When treating mature crops, the remaining green parts and weeds will quickly dry up, which is convenient for early harvesting. There are also reports that Diquat can be used to dry rice stems and leaves and dry rice seeds before rice harvest, Chen Yi, Zhang Qianqian, "Chinese Rice" 2011, 17(2): 45-46, "The withering agent Diquat is in A Preliminary Study on the Application Effect of Single-crop Late Rice” discloses that a special withering agent 20% Diquat AS is sprayed on living rice ears. After spraying Diquat for 7 days, the moisture content of rice drops from 22% to 17%. . Although this method is simple and convenient, and can effectively reduce the moisture content of rice, the article does not mention that direct spraying of diquat will have a great negative impact on the yield and quality of rice seeds. Therefore, it is very important to explore how to effectively reduce the water content of rice seeds and promote early harvest in the field, while ensuring or even increasing the yield of rice seeds, and ensuring that the quality of rice seeds is not affected.
发明内容Contents of the invention
本发明提供了一种组合物，该组合物不但能有效地降低水稻种子的含水量，而且能够确保甚至提高水稻种子质量，保持水稻种子的活力。The invention provides a composition, which can not only effectively reduce the water content of rice seeds, but also ensure and even improve the quality of rice seeds and maintain the vigor of rice seeds.
一种组合物，以水为溶剂，含有重量百分比为0.01％～0.1％的除草剂，重量百分比为3％～15％的水溶性无机盐。A composition, which uses water as a solvent, contains 0.01%-0.1% by weight of herbicide, and 3%-15% by weight of water-soluble inorganic salt.
本发明的组合物制备方法简单方便，将除草剂和水溶性无机盐溶解于蒸馏水中，混合均匀即可。本发明中除草剂对水稻起到催熟作用，而水溶性无机盐为水稻提供所需的无机盐成分，本发明将两者按照一定的比例混合制备而成的组合物，不但可加速水稻种子成熟后期的脱水干燥，确保脱水之后的水稻种子具有良好的质量，而且有效提高了水稻种子的千粒重等。The preparation method of the composition of the invention is simple and convenient. The herbicide and the water-soluble inorganic salt are dissolved in distilled water and mixed uniformly. In the present invention, the herbicide plays a role in accelerating the ripening of rice, while the water-soluble inorganic salt provides the required inorganic salt components for rice. The composition prepared by mixing the two according to a certain ratio in the present invention can not only accelerate the ripening of rice seeds. The dehydration and drying in the later stage of maturity ensures that the dehydrated rice seeds have good quality, and effectively improves the thousand-grain weight of rice seeds.
本发明的组合物中各组分的配比对于水稻种子的脱水以及种子质量有着很大的影响，作为优选，所述组合物含有重量百分比为0.05％～0.1％的除草剂，重量百分比为3％～12％的水溶性无机盐。The ratio of each component in the composition of the present invention has a great influence on the dehydration of rice seeds and the quality of the seeds. Preferably, the composition contains 0.05% to 0.1% by weight of herbicides, and the weight percentage is 3 %～12% of water-soluble inorganic salts.
本发明中所述的除草剂为触杀型除草剂，触杀型除草剂与植株接触时，只对与除草剂接触的部分起到杀伤作用，植物体内不能传导。作为优选，所述除草剂为乙草胺、甲草胺、丁草胺、百草枯、锈去津、敌草快、果尔、扑草净、盖草能、氟乐灵、比久、草甘膦和青鲜素中的至少一种。优选的，所述除草剂为敌草快、丁草胺、比久、青鲜素、百草枯和扑草净中的至少一种。更优选的，所述的除草剂为敌草快；或敌草快与丁草胺的混合物；或扑草净和丁草胺的混合物；或青鲜素和比久的混合物。The herbicide described in the present invention is a contact herbicide, and when the contact herbicide is in contact with the plant, it only has a killing effect on the part in contact with the herbicide, and the plant cannot conduct conduction. As a preference, the herbicides are acetochlor, alachlor, butachlor, paraquat, rutazine, diquat, fruit, promethazin, capturon, trifluralin, bijou, grass At least one of glycine and penicillin. Preferably, the herbicide is at least one of diquat, butachlor, biju, cyanin, paraquat and proquat. More preferably, the herbicide is diquat; or a mixture of diquat and butachlor; or a mixture of promethazin and butachlor; or a mixture of penicillin and biju.
作为优选，所述水溶性无机盐为水溶性氯化盐、水溶性磷酸盐、水溶性碳酸盐和水溶性硝酸盐中的至少一种。Preferably, the water-soluble inorganic salt is at least one of water-soluble chloride salt, water-soluble phosphate, water-soluble carbonate and water-soluble nitrate.
作为优选，所述水溶性无机盐中的金属离子为Ca2+、K+、Na+、Mg2+、Fe2+和Zn2+中的至少一种。更优选地，所述水溶性无机盐中的金属离子为K+、Na+和Zn2+中的至少一种。Preferably, the metal ion in the water-soluble inorganic salt is at least one of Ca 2+ , K + , Na + , Mg 2+ , Fe 2+ and Zn 2+ . More preferably, the metal ion in the water-soluble inorganic salt is at least one of K + , Na + and Zn 2+ .
更优选的，所述的水溶性无机盐为磷酸二氢钾、碳酸钠、氯化钾、氯化锌和硝酸钠中的至少一种。More preferably, the water-soluble inorganic salt is at least one of potassium dihydrogen phosphate, sodium carbonate, potassium chloride, zinc chloride and sodium nitrate.
具体的，组合物中，所述的除草剂为敌草快时，所述的水溶性无机盐可以为氯化钾；或磷酸二氢钾；或碳酸钠与磷酸二氢钾的混合物。所述的除草剂为敌草快和百草枯时，所述的水溶性无机盐可以为碳酸钠；所述的除草剂为扑草净和丁草胺时，所述的水溶性无机盐可以为氯化锌。所述的除草剂为青鲜素和比久时，所述的水溶性无机盐可以为硝酸钠。Specifically, in the composition, when the herbicide is diquat, the water-soluble inorganic salt may be potassium chloride; or potassium dihydrogen phosphate; or a mixture of sodium carbonate and potassium dihydrogen phosphate. When the herbicide is diquat and paraquat, the water-soluble inorganic salt can be sodium carbonate; when the herbicide is promethazin and butachlor, the water-soluble inorganic salt can be Zinc chloride. When the herbicide is cyanin and biju, the water-soluble inorganic salt can be sodium nitrate.
本发明还提供了所述组合物在水稻种子脱水中的应用。The invention also provides the application of the composition in rice seed dehydration.
所述应用包括：在水稻蜡熟末期，将所述组合物均匀喷施于稻穗上，喷施完5～7天之后收获水稻种子。本发明的组合物使用方便，在水稻蜡熟末期进行喷施，喷施5～7天之后即可收获水稻种子，不但起到降低水稻含水量的作用，而且能避免田间湿润闷热气候而使水稻种子穂萌率上升的情况发生。The application includes: spraying the composition evenly on rice ears at the end of wax ripening of rice, and harvesting rice seeds 5 to 7 days after spraying. The composition of the present invention is easy to use, can be sprayed at the end of rice wax ripening, and rice seeds can be harvested 5 to 7 days after spraying, which not only plays a role in reducing the water content of rice, but also can avoid the humid and hot climate in the field from making rice An increase in seed germination rate occurred.
本发明组合物的喷施量对于水稻种子的含水量以及水稻种子的质量有着重要影响，若喷施量过大，不但造成浪费，污染环境，而且可能会影响水稻种子的质量；若喷施量过少，则不能有效地起到脱水作用。所述组合物的喷施量为每公顷430～470L。The amount of spraying of the composition of the present invention has an important influence on the water content of rice seeds and the quality of rice seeds. If the amount of spraying is too large, it will not only cause waste and pollute the environment, but also may affect the quality of rice seeds; if the amount of spraying If it is too small, it cannot effectively dehydrate. The spraying amount of the composition is 430-470L per hectare.
与现有技术相比，本发明的有益效果为：Compared with prior art, the beneficial effect of the present invention is:
(1)采用本发明所述的组合物对水稻种子进行田间喷施处理，能显著降低水稻种子的含水量。相比单一除草剂，本发明的组合物中的除草剂和水溶性无机盐在对种子进行快速脱水的同时，不但使种子保持较好的发芽性能，而且有效地提高了水稻种子的千粒重品质。(1) Using the composition of the invention to spray rice seeds in the field can significantly reduce the water content of rice seeds. Compared with a single herbicide, the herbicide and water-soluble inorganic salt in the composition of the present invention can not only keep the seed to maintain better germination performance but also effectively improve the thousand-grain weight quality of the rice seed while rapidly dehydrating the seed.
(2)该组合物制备方法简单，使用方便，安全高效，适合大田生产实践应用。(2) The preparation method of the composition is simple, convenient to use, safe and efficient, and suitable for practical application in field production.
具体实施方式Detailed ways
下面结合具体实施方式进一步阐释本发明。The present invention will be further explained below in combination with specific embodiments.
实施例1Example 1
以配制100g组合物为例，称取质量浓度为20％的百草枯水剂0.05g(含百草枯0.01g)，再向百草枯水剂中加入5.6g KH2PO4和5.6g Na2CO3，最后向百草枯水剂中加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷430L，喷施完7天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标的测定。Taking the preparation of 100g of composition as an example, weigh 0.05g of paraquat aqueous solution with a mass concentration of 20% (containing 0.01g of paraquat), and then add 5.6g of KH2PO4 and 5.6g of Na2CO to the paraquat aqueous solution 3. Finally, add distilled water to the paraquat water solution until the total amount is 100g, and mix well. Transfer the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 430L per hectare. Harvest the rice seeds 7 days after spraying, and perform seed moisture treatment on the rice seeds. , viability and quality indicators.
测定方法如下：The determination method is as follows:
1、种子含水量、千粒重及发芽测定1. Determination of seed moisture content, thousand-grain weight and germination
(1)含水量测定(1) Determination of water content
取若干铝盒，用记号笔标记，在80℃烘箱中烘30min后取出，放置于干燥器内冷却至室温，记录各个铝盒的重量。Take several aluminum boxes, mark them with a marker, bake in an oven at 80°C for 30 minutes, take them out, place them in a desiccator to cool to room temperature, and record the weight of each aluminum box.
每个处理称取两份独立的种子样品，放入直径9cm的培养皿中，称重S，于103℃烘箱中烘干30min后取出，放入干燥器内冷却至室温，称重S1。将该预先烘干的种子样品分别用磨粉机磨碎待用。Weigh two independent seed samples for each treatment, put them into a 9cm-diameter petri dish, weigh S, dry in an oven at 103°C for 30 minutes, take them out, put them in a desiccator to cool to room temperature, and weigh S1. The pre-dried seed samples were ground separately with a mill for use.
将预先标记好的铝盒从干燥器中取出，分别称取磨碎的独立样品5g置于铝盒中，记录重量S2。所有样品于130℃烘箱中进行二次烘干，1h后取出，放入干燥器内冷却至室温，称重S3。Take out the pre-marked aluminum box from the desiccator, weigh 5 g of the ground independent samples and place them in the aluminum box, and record the weight S2. All samples were dried in an oven at 130°C for the second time, taken out after 1 hour, placed in a desiccator to cool to room temperature, and weighed S3.
种子水分(％)＝(S-S1)+(S2-S3)-(S-S1)×(S2-S3)，其中，S：预先烘干前的培养皿和种子重量；S1：预先烘干后的培养皿和种子重量；S2：二次烘干前的铝盒和种子重量；S3：二次烘干后的铝盒和种子重量。Seed moisture (%)=(S-S1)+(S2-S3)-(S-S1)×(S2-S3), among them, S: the weight of the petri dish and seeds before pre-drying; S1: pre-drying The weight of the petri dish and seeds after drying; S2: the weight of the aluminum box and seeds before the second drying; S3: the weight of the aluminum box and seeds after the second drying.
(2)千粒重测定(2) Determination of thousand-grain weight
方法参照《农作物种子检验规程》GB/T3543.1～3543.7-1995。The method refers to "Crop Seed Inspection Regulations" GB/T3543.1-3543.7-1995.
(3)发芽测定(3) Germination determination
试验采用三层滤纸的纸床发芽，每处理3次重复，每重复100粒种子。发芽箱设置为白天8h，黑夜16h，白天温度30℃，黑夜温度20℃。每天按时等量浇水并记录发芽情况，14d后取出。计算发芽率和发芽指数(GI＝Σ(Gt/Dt)，式中：Gt为不同时间的发芽数，Dt为发芽日数，Σ为总和)。The test was germinated on a paper bed with three layers of filter paper, and each treatment was repeated 3 times, with 100 seeds per repetition. The germination box is set to 8 hours in the daytime and 16 hours in the night, the daytime temperature is 30°C, and the nighttime temperature is 20°C. Water the same amount on time every day and record the germination situation, and take it out after 14 days. Calculate germination rate and germination index (GI=Σ(Gt/Dt), in the formula: Gt is the number of germinations at different times, Dt is the number of days of germination, and Σ is the sum).
对比例1Comparative example 1
以配制100g组合物为例，称取质量浓度为20％的百草枯水剂0.05g(含百草枯0.01g)，向百草枯水剂中加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷430L，喷施完7天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标的测定，测定方法与实施例1相同。Taking the preparation of 100g of the composition as an example, weigh 0.05g of paraquat aqueous solution with a mass concentration of 20% (containing 0.01g of paraquat), add distilled water to the paraquat aqueous solution until the total amount is 100g, and mix well. Transfer the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 430L per hectare. Harvest the rice seeds 7 days after spraying, and perform seed moisture treatment on the rice seeds. The mensuration of indexes such as, vigor and quality, assay method is identical with embodiment 1.
实施例2Example 2
以配制100g组合物为例，称取质量浓度为20％的百草枯水剂0.25g(含百草枯0.05g)，再向百草枯水剂中加入5.6g KH2PO4和5.6g Na2CO3，向百草枯水剂中加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷430L，喷施完7天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标测定，测定方法与实施例1相同。Taking the preparation of 100g composition as an example, weigh 0.25g of paraquat water solution with a mass concentration of 20% (containing 0.05g of paraquat), and then add 5.6g KH 2 PO 4 and 5.6g Na 2 CO to the paraquat water solution 3. Add distilled water to the paraquat water solution until the total amount is 100g, and mix well. Transfer the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 430L per hectare. Harvest the rice seeds 7 days after spraying, and perform seed moisture treatment on the rice seeds. , Vitality and quality index determination, assay method is identical with embodiment 1.
对比例2Comparative example 2
以配制100g组合物为例，称取质量浓度为20％的百草枯水剂0.25g(含百草枯0.05g)，向百草枯水剂中加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷430L，喷施完7天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标测定，测定方法与实施例1相同。Taking the preparation of 100g of the composition as an example, weigh 0.25g of paraquat aqueous solution with a mass concentration of 20% (containing 0.05g of paraquat), add distilled water to the paraquat aqueous solution until the total amount is 100g, and mix well. Transfer the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 430L per hectare. Harvest the rice seeds 7 days after spraying, and perform seed moisture treatment on the rice seeds. , Vitality and quality index determination, assay method is identical with embodiment 1.
实施例3Example 3
以配制100g组合物为例，称取质量浓度为20％的敌草快水剂0.5g(含敌草快0.1g)，再向敌草快水剂中加入6.75g KCl，最后向敌草快水剂中加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷470L，喷施完5天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标测定，测定方法与实施例1相同。Taking the preparation of 100g of the composition as an example, weigh 0.5g of diquat aqueous solution (containing 0.1g of diquat) with a mass concentration of 20%, then add 6.75g of KCl to the diquat aqueous solution, and finally add diquat Add distilled water to the water solution until the total amount is 100g, and mix well. Put the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 470L per hectare. Harvest the rice seeds 5 days after spraying, and perform seed moisture treatment on the rice seeds. , Vitality and quality index determination, assay method is identical with embodiment 1.
对比例3Comparative example 3
以配制100g组合物为例，称取质量浓度为20％的敌草快水剂0.5g(含敌草快0.1g)，向敌草快水剂中加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷470L，喷施完5天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标测定，测定方法与实施例1相同。Taking the preparation of 100g composition as an example, weigh 0.5g of diquat water solution with a mass concentration of 20% (containing 0.1g of diquat), add diquat water to the diquat water solution until the total amount is 100g, mix well and Can. Put the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 470L per hectare. Harvest the rice seeds 5 days after spraying, and perform seed moisture treatment on the rice seeds. , Vitality and quality index determination, assay method is identical with embodiment 1.
实施例4Example 4
以配制100g组合物为例，称取质量浓度为20％的敌草快水剂0.25g和质量浓度为20％的百草枯水剂0.25g(含敌草快和百草枯共0.1g)，将两者混合之后，向混合溶液中加入5.6g Na2CO3，最后向混合溶液中加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷450L，喷施完7天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标测定，测定方法与实施例1相同。Taking the preparation of 100g composition as an example, take 0.25g of diquat aqueous solution with a mass concentration of 20% and 0.25g of paraquat aqueous solution with a mass concentration of 20% (containing 0.1g of diquat and paraquat in total), and After the two are mixed, add 5.6g Na 2 CO 3 to the mixed solution, and finally add distilled water to the mixed solution until the total amount is 100g, and mix well. Transfer the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 450 L per hectare. Harvest the rice seeds 7 days after spraying, and carry out seed moisture treatment on the rice seeds. , Vitality and quality index determination, assay method is identical with embodiment 1.
对比例4Comparative example 4
以配制100g组合物为例，称取质量浓度为20％的敌草快水剂0.25g和质量浓度为20％的百草枯水剂0.25g(含敌草快和百草枯共0.1g)，将两者混合之后，向混合溶液中加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷450L，喷施完7天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标测定，测定方法与实施例1相同。Taking the preparation of 100g composition as an example, take 0.25g of diquat aqueous solution with a mass concentration of 20% and 0.25g of paraquat aqueous solution with a mass concentration of 20% (containing 0.1g of diquat and paraquat in total), and After the two are mixed, add distilled water to the mixed solution until the total amount is 100 g, and mix well. Transfer the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 450 L per hectare. Harvest the rice seeds 7 days after spraying, and carry out seed moisture treatment on the rice seeds. , Vitality and quality index determination, assay method is identical with embodiment 1.
实施例5Example 5
以配制100g组合物为例，称取质量浓度为20％的敌草快水剂0.4g(含敌草快0.08g)，再向敌草快水剂中加入3g磷酸二氢钾，最后向敌草快水剂中加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷450L，喷施完5天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标测定，测定方法与实施例1相同。Taking the preparation of 100g of the composition as an example, weigh 0.4g of diquat water solution with a mass concentration of 20% (containing 0.08g of diquat), then add 3g of potassium dihydrogen phosphate to the diquat water solution, and finally add diquat to the diquat solution. Add distilled water to Caokuai water solution until the total amount is 100g, and mix well. Put the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 450L per hectare. Harvest the rice seeds 5 days after spraying, and perform seed moisture treatment on the rice seeds. , Vitality and quality index determination, assay method is identical with embodiment 1.
对比例5Comparative example 5
以配制100g组合物为例，称取质量浓度为20％的敌草快水剂0.4g(含敌草快0.08g)，向敌草快水剂中加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷450L，喷施完5天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标测定，测定方法与实施例1相同。Taking the preparation of 100g composition as an example, weigh 0.4g of diquat water solution with a mass concentration of 20% (containing 0.08g of diquat), add diquat water to the diquat water solution until the total amount is 100g, mix well and Can. Put the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 450L per hectare. Harvest the rice seeds 5 days after spraying, and perform seed moisture treatment on the rice seeds. , Vitality and quality index determination, assay method is identical with embodiment 1.
实施例6Example 6
以配制100g组合物为例，称取质量浓度为20％的敌草快水剂0.25g(含敌草快0.05g)，再向敌草快水剂中加入3g磷酸二氢钾和2g碳酸钠，最后向敌草快水剂中加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷450L，喷施完7天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标测定，测定方法与实施例1相同。Taking the preparation of 100g of the composition as an example, weigh 0.25g of diquat water with a mass concentration of 20% (containing 0.05g of diquat), and then add 3g of potassium dihydrogen phosphate and 2g of sodium carbonate to the diquat water , and finally add diquat water to the diquat water solution until the total amount is 100g, and mix well. Transfer the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 450 L per hectare. Harvest the rice seeds 7 days after spraying, and carry out seed moisture treatment on the rice seeds. , Vitality and quality index determination, assay method is identical with embodiment 1.
对比例6Comparative example 6
以配制100g组合物为例，称取质量浓度为20％的敌草快水剂0.25g(含敌草快0.05g)，向敌草快水剂中加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷450L，喷施完7天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标测定，测定方法与实施例1相同。Taking the preparation of 100g composition as an example, weigh 0.25g of diquat water solution with a mass concentration of 20% (containing 0.05g of diquat), add diquat water to the diquat water solution until the total amount is 100g, mix well and Can. Transfer the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 450 L per hectare. Harvest the rice seeds 7 days after spraying, and carry out seed moisture treatment on the rice seeds. , Vitality and quality index determination, assay method is identical with embodiment 1.
实施例7Example 7
以配制100g组合物为例，称取质量浓度为20％的扑草净水剂0.15g(含扑草净0.03g)，再向扑草净水剂中加入60％的丁草胺乳油0.05g(含丁草胺0.03g)，将两者混合均匀之后，加入6.75g氯化锌，最后向混合溶液中加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷470L，喷施完7天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标测定，测定方法与实施例1相同。Taking the preparation of 100g composition as an example, weigh 0.15g of proteron water purifying agent with a mass concentration of 20% (containing 0.03g of proteron), and then add 0.05g of 60% butachlor EC to the proteron water purifying agent (containing butachlor 0.03g), after mixing the two evenly, add 6.75g of zinc chloride, and finally add distilled water to the mixed solution until the total amount is 100g, and mix evenly. Transfer the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 470 L per hectare. Harvest the rice seeds 7 days after spraying, and perform seed moisture treatment on the rice seeds. , Vitality and quality index determination, assay method is identical with embodiment 1.
对比例7Comparative example 7
以配制100g组合物为例，称取质量浓度为20％的扑草净水剂0.15g(含扑草净0.03g)，再向扑草净水剂中加入60％的丁草胺乳油0.05g(含丁草胺0.03g)，最后向混合溶液中加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷470L，喷施完7天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标测定，测定方法与实施例1相同。Taking the preparation of 100g composition as an example, weigh 0.15g of proteron water purifying agent with a mass concentration of 20% (containing 0.03g of proteron), and then add 0.05g of 60% butachlor EC to the proteron water purifying agent (containing butachlor 0.03g), finally add distilled water to the mixed solution until the total amount is 100g, and mix evenly. Transfer the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 470 L per hectare. Harvest the rice seeds 7 days after spraying, and perform seed moisture treatment on the rice seeds. , Vitality and quality index determination, assay method is identical with embodiment 1.
实施例8Example 8
以配制100g组合物为例，称取0.025g青鲜素和0.075g比久，将两者混合均匀之后，加入3g硝酸钠，最后向加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷450L，喷施完7天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标测定，测定方法与实施例1相同。Take the preparation of 100g of the composition as an example, weigh 0.025g of cyanin and 0.075g of bijiu, mix the two evenly, add 3g of sodium nitrate, and finally add distilled water until the total amount is 100g, and mix well. Transfer the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 450 L per hectare. Harvest the rice seeds 7 days after spraying, and carry out seed moisture treatment on the rice seeds. , Vitality and quality index determination, assay method is identical with embodiment 1.
对比例8Comparative example 8
以配制100g组合物为例，称取0.025g青鲜素和0.075g比久，混合之后加入蒸馏水直至总量为100g，混合均匀即可。将组合物转入喷壶，在水稻蜡熟末期，将其均匀喷施于稻穗上，其组合物的喷施量为每公顷450L，喷施完7天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标测定，测定方法与实施例1相同。Taking the preparation of 100g of the composition as an example, weigh 0.025g of cyanin and 0.075g of bijiu, add distilled water after mixing until the total amount is 100g, and mix well. Transfer the composition into a watering can, and spray it evenly on the ears of rice at the end of waxy rice ripening. The spraying amount of the composition is 450 L per hectare. Harvest the rice seeds 7 days after spraying, and carry out seed moisture treatment on the rice seeds. , Vitality and quality index determination, assay method is identical with embodiment 1.
实施例9Example 9
在水稻蜡熟末期，将清水均匀喷施于稻穗上，清水的喷施量为每公顷450L，喷施完7天后收获水稻种子，对水稻种子进行种子水分、活力及质量等指标测定，测定方法与实施例1相同。At the end of rice wax ripening, spray clear water evenly on the ears of rice, the amount of clear water sprayed is 450L per hectare, harvest the rice seeds 7 days after spraying, and measure the indicators such as seed moisture, vigor and quality of the rice seeds. The method is the same as in Example 1.
结果分析：Result analysis:
与喷施清水的对照(实施例9)相比，对水稻种子喷施实施例1～8和对比例1～8的组合物均能显著降低种子含水量，提高种子发芽指数。实施例3～8组合物喷施之后，水稻种子的千粒重与对照实施例9相比也显著提高(见表1)。此外，经实施例1～8中组合物喷施之后，水稻种子的千粒重、发芽率和发芽指数均高于各自对应的对比例，有些实施例与其对应的对比例差异达显著水平(见表1)。由此可见，水溶性无机盐与除草剂混合所制备得到的组合物，较单一使用除草剂而言，能显著降低种子含水量，提高种子千粒重，确保种子产量，同时，使种子保持较好的发芽性能。Compared with the control (Example 9) sprayed with clear water, spraying the compositions of Examples 1-8 and Comparative Examples 1-8 on rice seeds can significantly reduce the water content of the seeds and increase the germination index of the seeds. After the compositions of Examples 3-8 were sprayed, the thousand-grain weight of rice seeds was also significantly increased compared with Comparative Example 9 (see Table 1). In addition, after the compositions in Examples 1-8 were sprayed, the thousand-grain weight, germination rate and germination index of rice seeds were all higher than the respective corresponding comparative examples, and the difference between some examples and their corresponding comparative examples reached a significant level (see Table 1 ). This shows that the composition prepared by mixing the water-soluble inorganic salt and the herbicide can significantly reduce the water content of the seed, improve the thousand-grain weight of the seed, and ensure the seed yield. At the same time, the seed is kept in good condition. germination performance.
表1不同组合物喷施处理对种子含水量、千粒重及发芽的影响Table 1 Effects of spraying treatments with different compositions on seed water content, thousand-grain weight and germination
*小写字母表示不同处理间的差异显著性比较(LSD，α＝0.05)。 * The lowercase letters indicate the significant difference between different treatments (LSD, α=0.05).
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| CN106070281A (en) * | 2016-07-12 | 2016-11-09 | 中国农业科学院油料作物研究所 | A kind of Brassica campestris L chemical drier and application |
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| CN115997787A (en) * | 2023-02-01 | 2023-04-25 | 四川省新兰月生物科技有限公司 | Cold region rice dehydrating agent and preparation method thereof |
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