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CN101455203B - Compound composition of osthole and carbendazim and application thereof - Google Patents

Compound composition of osthole and carbendazim and application thereof Download PDF

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Publication number
CN101455203B
CN101455203B CN2008102498764A CN200810249876A CN101455203B CN 101455203 B CN101455203 B CN 101455203B CN 2008102498764 A CN2008102498764 A CN 2008102498764A CN 200810249876 A CN200810249876 A CN 200810249876A CN 101455203 B CN101455203 B CN 101455203B
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carbendazim
osthole
complex composition
apple
compound composition
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CN101455203A (en
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王英姿
石志琦
刘保友
王培松
张伟
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Abstract

The invention discloses application of a compound composition of osthole and carbendazim in the agricultural field, in particular to application research on prevention and treatment of apple ring rot. The invention provides application of osthole and a compound composition of osthole and carbendazim in preventing and treating apple ring spot, wherein the weight ratio of the osthole and the carbendazim in the compound composition is 1: 25-40, the preferred ratio is 1: 30-40, and the optimal ratio is 1: 35. It is prominent in the aspect of preventing and treating apple ring spot.

Description

The complex composition of Osthole and carbendazim and application thereof
One, technical field
The present invention relates to Osthole and complex composition thereof, especially the composite back of Osthole and carbendazim is applied to prevent and treat ring rot of apple as bactericide, belongs to the complex composition technical field of bactericide.
Two, background technology
Ring rot of apple is that disease wide, that generation is heavy takes place in the apple orchard, can cause a large amount of decayed fruits.Ring spot took place since August, before gathering, continued to increase.The decayed fruit rate is generally 20~50%, and heavy person can reach 70~90%, directly influences orchard worker's income.
The coumarin compound Osthole is a botanical pesticide; Chemical name is 8-(3-methyl-2-butene base) methyl ether San ketone; It is a kind of samphire cnidium monnieri (Cnidium monnieri (L.) Cuss) plant extracts that derives from; Also be present in Imperatoria ostruthium, the root of justifying Radix Angelicae Sinensis, Angelica pubescens, bolt wing celery, the rhizome, the method for distilling of multiple maturation is arranged.Originally be applied in medically, found on agricultural, to can be used as insecticidal bactericide (license publication number: CN 1119930C, CN 1332603C, CN 1244275C, CN 1586198A, CN 100409747C, CN 100356851C etc.) afterwards.But Osthole and also do not appear in the newspapers aspect the ring rot of apple preventing and treating with the complex composition of carbendazim.
Carbendazim is a kind of efficient, low toxicity, the systemic fungicide that is widely used in the agricultural production, and the control spectrum is wide, has solved the environmental toxicity problem of other bactericide.But because carbendazim height specialization, action site is single, adds and produces medium-term and long-term single use, causes pesticide resistance colony constantly to occur, and induces germ to develop immunity to drugs easily.It is being main bactericide kind aspect the apple safety in production disease control, but recent years, the phenomenon of downslide rapidly appearred in preventive effect.
Agricultural chemicals is faced with huge predicament at present.The novel pesticide development cost is high, the cycle is long, and can catch up with the speed that the germ pesticide resistance produces never, and it is extremely urgent to solve pesticide resistance.In the agricultural production actual mechanical process, different agricultural chemicals wait measure to be difficult to really play obvious effects by turns; Shift of crops is unpractical for perennial apple.Different classes of pesticide species carries out composite, be the prevention or solve drug-fast common methods, also be the important channel that obtains vitality like some old kind agricultural chemicals such as carbendazim once more, make full use of existing bactericide resource.
Three, summary of the invention
The present invention is on the basis of above-mentioned prior art; The application of complex composition in agriculture field through further investigation Osthole and carbendazim; The research of especially using to ring rot of apple control is accomplished, and purpose is to provide and is exclusively used in the Osthole of preventing and treating ring rot of apple and the complex composition of carbendazim.
The technical scheme that the present invention adopts is following:
Complex composition of the present invention contains two kinds of compositions of Osthole and carbendazim, and both weight ratios are 1: 25~40, and preferred proportion is 1: 30~40, and optimal proportion is 1: 35;
The application under diluting 400 times, 500 times of the complex composition of Osthole of the present invention and carbendazim prevents and treats ring rot of apple and has preventive effect preferably.
Osthole of the present invention and carbendazim complex composition have the following advantages:
1, has synergistic effect.Osthole and carbendazim are to have synergistic effect in 1: 25~40 ratio ranges, and wherein proportioning synergy in 1: 35 is maximum, and coefficient of synergism is 3.34;
2, high security.Osthole is a plant extracts, has Environmental compatibility; The 36% Osthole carbendazim suspending agent that we make contains 35% carbendazim; Than carbendazim content is that 50% city pin product has reduced 15 percentage points; Thereby further reduced the medicament toxicity of carbendazim, so complex composition of the present invention is safer to crop, environment and fresh fruit eater;
3, preventive effect is remarkable.We process 36% Osthole carbendazim suspending agent and in field control effectiveness test, have outstanding performance; Dilute 400 times, 500 times processing in the preventive effect of picking time all more than 85%; The preventive effect of storage period all is significantly higher than the preventive effect of 500 times of 200 times of 1% osthole water-emulsion agent and 50% carbendazim all more than 82%.36% Osthole carbendazim suspending agent makes old kind fungicide carbendazim bring into play remarkable effect once more aspect the ring rot of apple preventing and treating;
4, reduced the germ risk that develops immunity to drugs.Of advantage 3, complex composition carbendazim content is than 15 percentage points of the minimizings of market sale, and this has significantly alleviated the selection pressure of ring rot of apple bacterium to carbendazim; The Osthole that contains in the complex composition has a plurality of action sites, can avoid germ that it is developed immunity to drugs;
5, reduced dependence to plant resources.Of advantage 3; The 36% Osthole carbendazim suspending agent field dilution that contains 1% Osthole has obtained good preventive effect for 400 times, 500 times; And preventive effect picking time of 200 times of 1% osthole water-emulsion dilution agents is 76.31%, storage period preventive effect all be lower than 65%.
Four, embodiment
The present invention is elaborated with following instantiation, but limitation of the present invention absolutely not.Percentage all is weight percentage in all proportionings.
Embodiment 1
Toxicity Determination and compound proportion screening
1.1 supply the reagent agent
94.7% Osthole, academy of agricultural sciences, Jiangsu Province food quality safety research institute provides.Be dissolved in 95% alcohol, it is subsequent use to be made into the 10000mg/L mother liquor.
98% carbendazim, Huayang Agricultural Chemial Group Co Ltd, Shandong provides.It is subsequent use to be made into the 10000mg/L mother liquor with 0.1mol/L hydrochloric acid.
The content of producers such as rich natural products Co., Ltd of China city far away development in science and technology Co., Ltd, Shaanxi standing grain, the three-dimensional Bioisystech Co., Ltd in Xi'an is the requirement that 10~90% Osthole product all meets the used Osthole of complex composition among the present invention; And with the carbendazim of fructus cnidii complex be commercially available Pesticidal products, as long as it meets compound proportion and application conditions among the present invention.
1.2 strains tested and host plant
Sick fruit goes up the separation acquisition to ring rot of apple bacterium (Botryosphaeria berengeriana f.sp.pyricola) from the field, and the first generation bacterial strain that the single cell culture purifying obtains is preserved subsequent use in 4 ℃ of refrigerators.
1.3 experimental technique
The biomass growth rate method (Mycelium growth rate test) that adopts FAO to recommend.
1.3.1 the preparation that pastille is dull and stereotyped
1.3.1.1 composite reagent scheme
Table 1 Osthole and carbendazim compound proportion
Figure G2008102498764D00031
Each medicine series diluted concentration gradient of table 2
Figure G2008102498764D00032
1.3.1.2 the preparation that pastille is dull and stereotyped
Drug concentration gradient according to 1.3.1.1 sets adds medicament in the PDA medium that quantitatively dissolves, and processes the pastille flat board, is blank with pastille flat board not, and every concentration repeats 3 times.
1.3.2 connecing bacterium cultivates
Beat along cultured colony edge with diameter 0.6cm card punch and to get bacterium dish, with the sterilization transfer needle bacterium dish is reversed and be transplanted on the flat board, placed under 25 ℃ of conditions constant temperature culture 7 days.
1.3.3 result's inspection
Measure bacterium colony expansion diameter with ruler intersection mensuration, expand diameter with not dispenser contrast bacterium dish and compare, obtain medicament and suppress growth rate.
Figure G2008102498764D00033
1.3.4 statistical analysis
Do regression analysis according to each drug concentration logarithm value and corresponding mycelial growth inhibition rate probability value, calculate each medicament virulence regression equation, correlation coefficient (r) and EC 50
When carrying out the medicament joint toxicity measuring,, estimate the synergy type of complex composition according to the coefficient of synergism (SR) of Wadley method calculating complex composition.Estimate the synergistic effect of composite reagent according to coefficient of synergism (SR), promptly SR<0.5 is an antagonism, and 0.5≤SR≤1.5 are summation action, and SR>1.5 are synergistic effect.Coefficient of synergism (SR) calculates by formula (1), (2):
X 1 = P A + P B P A / A + P B / B × 100 - - - ( 1 )
In the formula:
X 1----complex composition EC 50Theoretical value, unit is mg/L;
P A----percentage composition of A in the complex composition, unit is percentage (%);
P B----percentage composition of B in the complex composition, unit is percentage (%);
A----complex composition EC 50Theoretical value, unit is mg/L;
B----complex composition EC 50Theoretical value, unit is mg/L.
SR = X 1 X 2 × 100 - - - ( 2 )
In the formula:
The coefficient of synergism of SR----complex composition;
X 1----complex composition EC 50Theoretical value, unit is mg/L;
X 2----complex composition EC 50Measured value, unit are mg/L.
1.4 experimental result
Through indoor virulence experiment, can draw Osthole with carbendazim weight ratio 1: 10~20 has summation action, in 1: 25~40 scopes synergistic effect is arranged all, 1: 30~40 is preferred compound proportion, be optimum compound proportion routine at 1: 35.
Table 3 Osthole and the screening of carbendazim optimum compound proportion example
Medicament Virulence regression equation Correlation coefficient r EC 50Measured value (mg/L) EC 50Theoretical value (mg/L) Coefficient of synergism (SR)
94.7% Osthole (A) y=2.18+1.50x 0.9614 75.3819 -- --
98% carbendazim (B) y=5.65+1.29x 0.9989 0.3128 -- --
A∶B=1∶10 y=6.56+2.73x 0.9791 0.2668 0.3439 1.29
A∶B=1∶15 y=6.57+2.55x 0.9860 0.2430 0.3336 1.37
A∶B=1∶20 y=6.11+1.77x 0.9860 0.2367 0.3284 1.39
A∶B=1∶25 y=6.50+2.18x 0.9952 0.2065 0.3253 1.58
A∶B=1∶30 y=6.89+2.56x 0.9903 0.1451 0.3232 2.23
A∶B=1∶35 y=6.81+1.85x 0.9966 0.1059 0.3217 3.34
A∶B=1∶40 y=6.37+1.57x 0.9817 0.1344 0.3206 2.39
Embodiment 2
Field plot trial
Filter out Osthole according to indoor compound proportion screening experiment: carbendazim=be best proportioning at 1: 35, during Osthole 1mg, carbendazim is 35mg.We have processed 36% Osthole carbendazim suspending agent.
2.1 arrange test medicine and sub-district
" " pesticide field efficacy medicine test criterion (two) " the 118th part: bactericidal agent for preventing and treating ring rot of apple " according to the chief editor of The Institute for the Control of Agrochemicals of the Ministry of Agriculture,PRC designs the field control effectiveness test of 36% Osthole carbendazim suspending agent to ring rot of apple.
2.1.1 supply the reagent agent
200 times of 1% osthole water-emulsion agent.(academy of agricultural sciences, Jiangsu Province provides)
500 times of 50% carbendazim suspending agents.(granary, Jiangsu insecticide factory provides)
400,500,600 times of 36% Osthole carbendazim suspending agents.(academy of agricultural sciences, Yantai City makes)
2.1.2 contrast medicament
2000 times of 10% generation high-moisture shot agent.(just reaching (China) investment company earlier provides)
2.1.3 sub-district design
6 processing are established in test altogether, and 24 sub-districts are established in 4 repetitions of every processing altogether, and 4 of every sub-districts become the strain tree.Each sub-district randomized arrangement.Spraying equipment adopts workers and peasants' 26 type high pressure power driven sprayers, with in the tree crown all the branch blades even medicine, till dripping.
2.2 control time and drug effect computational methods
2.2.1 control time and method
Picking time, centre 2 strains were chosen in every sub-district, investigated whole fruits, and the total fruit of record number, sick fruit number calculate preventive effect with diseased fruit rate; Storage period, after respectively handling fruit after will gathering and rejecting disease, worm, wound fruit, the same day, the dress basket was put under the natural room temperature, store back 10 days, 20 days, the 30 days once sick fruit numbers of investigation respectively, with accumulation diseased fruit rate calculating preventive effect.
2.2.2 drug effect computational methods
Figure G2008102498764D00051
Figure G2008102498764D00052
2.3 result of the test
The 36% Osthole carbendazim suspending agent of on the basis of lab screening, processing is had outstanding performance in field trial; 400 times, the 500 times preventive effects in picking time are all more than 85%; The preventive effect of storage period all is significantly higher than the preventive effect of 500 times of 200 times of 1% Ostholes and 50% carbendazim all more than 82%.
Table 4 36% Osthole carbendazim is prevented and treated the ring rot of apple field efficacy
Figure G2008102498764D00053
Embodiment 3
Safety testing
In the complex composition carbendazim content than the minimizing of commercially available prod 15 percentage points, so it is satisfactory to people and animals' toxicity with safety to crop; Osthole content is 1% in the complex composition, through assert that the toxicity test result of mechanism shows that 1% osthole water-emulsion agent belongs to the micro-virus kind agricultural chemicals:
Rat acute per os toxicity
Figure G2008102498764D00061
♀>5000mg/kg;
Rat acute percutaneous toxicity ♀>5000mg/kg;
It is 0 (1h) that lagophthalmos stimulates integration, is 0 (1: 100) dilution behind the 48h, to the eye nonirritant;
It is 0 (4h) that lagophthalmos stimulates integration, to the skin nonirritant.

Claims (5)

1. the complex composition of Osthole and carbendazim is characterized in that containing Osthole and carbendazim, and both weight ratios are 1: 25~40.
2. according to the complex composition of described Osthole of claim 1 and carbendazim, the weight ratio that it is characterized in that Osthole and carbendazim is 1: 30~40.
3. according to the complex composition of described Osthole of claim 1 and carbendazim, the weight ratio that it is characterized in that Osthole and carbendazim is 1: 35.
4. the complex composition of claim 1 or 2 or 3 described Ostholes and carbendazim is applied to prevent and treat ring rot of apple.
5. the complex composition according to said Osthole of claim 3 and carbendazim is applied to prevent and treat ring rot of apple, it is characterized in that the 36% Osthole carbendazim suspending agent field dilution 400-500 that processes doubly prevents and treats ring rot of apple.
CN2008102498764A 2008-12-28 2008-12-28 Compound composition of osthole and carbendazim and application thereof Expired - Fee Related CN101455203B (en)

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CN108378041A (en) * 2018-02-10 2018-08-10 山东省烟台市农业科学研究院 A kind of biogas slurry and bactericide compounded composition and the application in preventing Apple disease
CN114903060A (en) * 2022-05-31 2022-08-16 长江师范学院 A kind of Chinese herbal medicine and compound pesticide for preventing and treating black spot disease of stem nodule

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3577110B2 (en) * 1994-08-29 2004-10-13 株式会社ヤクルト本社 ACAT inhibitor
CN1586198A (en) * 2004-07-06 2005-03-02 江苏省农业科学院 Crop powdery mildew control by osthole and its compound composition
CN101036461A (en) * 2007-04-26 2007-09-19 江苏省农业科学院 Eugenol, osthol complex biological bactericide

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3577110B2 (en) * 1994-08-29 2004-10-13 株式会社ヤクルト本社 ACAT inhibitor
CN1586198A (en) * 2004-07-06 2005-03-02 江苏省农业科学院 Crop powdery mildew control by osthole and its compound composition
CN101036461A (en) * 2007-04-26 2007-09-19 江苏省农业科学院 Eugenol, osthol complex biological bactericide

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Toshihiro Okamoto,et al..Synthetic Derivatives of Osthole for the Prevention of Hepatitis.《Medicinal Chemistry》.2007,第3卷(第1期),第35-44页. *
王春梅,等.蛇床子素防治黄瓜白粉病研究.《江苏农业科学》.2005,(第4期),第57-58页. *

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