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WO2018124175A1 - Procédé de lutte contre les nuisibles du thé - Google Patents

Procédé de lutte contre les nuisibles du thé Download PDF

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Publication number
WO2018124175A1
WO2018124175A1 PCT/JP2017/046886 JP2017046886W WO2018124175A1 WO 2018124175 A1 WO2018124175 A1 WO 2018124175A1 JP 2017046886 W JP2017046886 W JP 2017046886W WO 2018124175 A1 WO2018124175 A1 WO 2018124175A1
Authority
WO
WIPO (PCT)
Prior art keywords
tea
contact
tea leaves
mist
leaves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2017/046886
Other languages
English (en)
Japanese (ja)
Inventor
耕司 石上
光 吉田
杰奇 付
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ito En Ltd
Original Assignee
Ito En Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ito En Ltd filed Critical Ito En Ltd
Priority to CN201780071682.7A priority Critical patent/CN109952022B/zh
Priority to AU2017388833A priority patent/AU2017388833B2/en
Priority to JP2018559574A priority patent/JP6543006B2/ja
Publication of WO2018124175A1 publication Critical patent/WO2018124175A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00—Cultivation of specific crops or plants not otherwise provided for
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M99/00—Subject matter not provided for in other groups of this subclass

Definitions

  • the present invention relates to a method for controlling pests of tea for controlling or controlling pests in tea plants.
  • tea producers have appropriate types and amounts of drugs at appropriate times. It has been dealt with by spraying.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 7-31350
  • the drug is introduced into the tea tree.
  • a device for spraying evenly and efficiently in a short time a large number of nozzles project from the lower surface of a substantially arc-shaped substrate with a handle, and the drug is supplied to each nozzle.
  • a spraying device is disclosed.
  • Patent Document 2 Japanese Patent Application Laid-Open No. 7-289057 discloses that a plucking mechanism that moves along a teacup and picks tea leaves and a medicine adhering means that attaches the medicine to the tea tree are configured integrally. Discloses a method for controlling pests of tea trees by means of a tea leaf plucking device in which a drug attaching means attaches a drug to a plucking cut of tea trees immediately after plucking the tea leaves.
  • Patent Document 3 Japanese Patent Laid-Open No. 2016-152794 describes a case where sprinkled eggs, larvae, and adult worms are attached to the leaves of crops while spraying warm water on specially prepared fields.
  • a hot water control method for controlling pests by spraying an organic farming solution on the leaf surface is disclosed.
  • Patent Document 4 Japanese Patent Application Laid-Open No. 2016-158522 provides a wetness degree sensor at a position close to the parasitic environment of an anaerobic pest in the field, and waters the field according to the detection value of the wetness degree sensor. There is disclosed a method for controlling an anaerobic pest characterized by revealing a repellent situation of an anaerobic pest and / or a situation where it is difficult to survive.
  • Patent Document 5 Japanese Patent Application Laid-Open No. 2011-212012 discloses that a saturated water vapor flow adjusted to a required temperature is provided in a processing space surrounding a plant seedling, above the plant seedling. A method for controlling pests of plant seedlings is disclosed, wherein the plant seedlings are exposed to the saturated steam flow for a time within a range not subject to thermal injury. Yes.
  • Non-Patent Document 1 when plants such as strawberries are heated to a high temperature of 40 to 50 ° C. for several tens of seconds to several minutes, the plants undergo various reactions and induce resistance to diseases such as powdery mildew. It is disclosed that there is a phenomenon that makes it difficult to get sick.
  • tea is a special crop and has the characteristic of harvesting tea leaves multiple times a year.
  • the picking time varies depending on the region. For example, in Shizuoka Prefecture, after the first tea was picked between mid-April and mid-May, 45-50 days after the first tea picking, the next buds It is normal to wait for the tea to grow and then pluck the second tea, and then wait about three months until autumn before plucking the autumn / winternadoha. In this way, for tea trees that are harvested multiple times during the year, it is necessary to carry out control several times for each harvesting period. In some cases, the pesticides sprayed on the tea leaves remained and the type and concentration of the pesticides contained in the tea leaves increased. Moreover, since the frequency
  • the present invention is to provide a new tea pest control method that can more effectively control tea pests by using heated water without using pesticides. It is.
  • the present invention proposes a method for controlling pests of tea, characterized by performing a treatment in which heated mist-like water is brought into contact with tea leaves so that the surface temperature of the tea leaves becomes 45 ° C. to 55 ° C.
  • the tea pest control method proposed by the present invention it is possible to effectively control tea pests using heated water without using pesticides.
  • a method for controlling pests of tea according to an example of an embodiment of the present invention is a mist-like water heated to a surface temperature of tea leaves of 45 ° C. to 55 ° C.
  • a method for controlling tea characterized in that a process of bringing a mist into contact with tea leaves is performed.
  • the tea targeted by this control method may be any tea that is cultivated for the purpose of extracting the picked tea leaves or processed tea leaves into a liquid and drinking the liquid. Tea cultivated for the purpose of eating edible tea leaves may also be used. Specifically, for example, tea cultivating sencha, strawberry tea, gyokuro, oolong tea, black tea, and other tea for beverages can be mentioned.
  • Target disease and insect damage examples of diseases that can be targeted by the present control method include anthracnose, ring spot disease, leaf blight, net blast, and leprosy.
  • diseases that can be targeted by the present control method include anthracnose, ring spot disease, leaf blight, net blast, and leprosy.
  • insect damage insect species include Chanomidori Himekobai (hereinafter referred to as "Unka"), Kanzawa spider mite, stag beetle, chano thrips, chanococcus anemone, chanohosoga and the like. However, it is not limited to these.
  • heating mist The water of heating mist should just be water, such as a tap water and a well water. If necessary, a drug can be added.
  • the temperature of the heating mist is preferably adjusted to 45 ° C to 55 ° C. If it is 45 ° C. or higher, it is effective for controlling diseases and pests, while if it is 55 ° C. or lower, the occurrence of thermal injury can be prevented. From this point of view, it is preferable to adjust the temperature of the mist water to be brought into contact with the tea leaves to 45 ° C. to 55 ° C., particularly 47 ° C. or more and 54 ° C. or less, especially 50 ° C. or more and 53 ° C. or less. preferable.
  • the heated water may be mist, or the mist water may be heated.
  • a method of cooling water vapor obtained with a boiler, a method of spraying fine water droplets in hot air, and the like can be mentioned. However, it is not limited to these methods.
  • the heated mist is preferably brought into contact with the tea leaves on the surface of the leaf layer of at least the tea tree and the tea leaves, and more preferably brought into contact with the tea leaves of the bud portion to be plucked.
  • the bud can be directly controlled by bringing it into contact with the tea leaf of the bud portion to be picked.
  • a hardened leaf below the plucked surface generally called “parent leaf”, more preferably to a branch, and further to a trunk.
  • parent leaf a hardened leaf below the plucked surface
  • by bringing the heated mist into contact with the parent leaves, branches, and trunk conidia and pests attached to them can be controlled.
  • the heated mist is brought into contact with tea leaves or tea trees so that the surface temperature of the tea leaves is 45 ° C. to 55 ° C. If the surface temperature of the tea leaves is 45 ° C. or higher, it is effective for controlling diseases and pests, while if it is 55 ° C. or lower, the occurrence of thermal injury can be prevented. From this point of view, it is preferable that the surface temperature of the tea leaf when the heated mist is brought into contact with the tea leaf or tea tree is 45 ° C. to 55 ° C., particularly 46 ° C. or more or 53 ° C. or less, of which 50 ° C. or more. It is particularly preferable that the temperature be 52 ° C. or lower. At this time, the surface temperature of the tea leaves can be adjusted by the temperature of the heating mist and the contact time.
  • contact time (simply referred to as “contact time”) of the heated mist to be brought into contact with the tea leaves in relation to the temperature of the water.
  • the temperature of the water to be brought into contact with the tea leaves and the tea leaves so that the product (A ⁇ h) of the temperature (A) of the heating mist and the contact time (h) is 45 ° C. ⁇ 6 S to 55 ° C. ⁇ 15 S
  • the contact time of water to be contacted For example, by treating the heated mist at 45 ° C. so as to contact the tea leaves within a contact time of 6 seconds or less, it is possible to prevent thermal injury while obtaining an excellent control effect.
  • the product (A ⁇ h) of the temperature (A) of the heating mist and the contact time (h) is preferably 45 ° C. ⁇ 6 S to 55 ° C. ⁇ 15 S, and among them, 46 ° C. ⁇ 6 S or more or 53 ° C. It is particularly preferable to adjust so as to be not more than x12S, and in particular, not less than 50 ° Cx3S or 52 ° Cx10S.
  • ⁇ Temperature A (° C.)-30 ° C. ⁇ 2 ⁇ ⁇ Time h (seconds) for contacting heated mist with tea leaves ⁇ ⁇ 100 is 50 or less, especially 10 or more, 40 or less, 12 or more
  • the above treatment that is, the treatment of bringing heated mist-like water into contact with tea leaves, is within 2 weeks from the time of plucking or branching tea leaves, It is preferable to carry out within one week, particularly within one day.
  • the tea leaf plucking is not particularly limited as long as it is plucking for harvesting tea leaves. Especially, it is preferable that it is plucking for harvesting the first tea or the second tea.
  • the branching of the tea leaves means a pruning operation of the plucked surface performed after plucking the tea leaves. Among them, the branching after the first tea picking or the branching after the second tea picking is preferable.
  • after picking the first tea and before picking the second tea it is preferable to apply after picking the first tea and before picking the second tea. However, it may be performed before plucking the first tea or after plucking the second tea. Among them, it is preferable to carry out between 1st to 14th day of picking of No. 1 tea, and more preferred to be between 1st to 7th day of picking, and more preferably 3rd day or less. Since the tea tree is damaged by plucking, conidia of ring spot disease may enter through the wound. Therefore, it is preferable to control immediately after the tea is picked, and it is possible to reduce the conidia of the anthracnose before germination and the reduction of the planthopper.
  • the most effective second tea buds are sprouting for 10 to 25 days from the first tea picking day, especially 15 to 20 days from the picking date. It is particularly preferred to carry out during
  • the wounded part of the plucking machine blade which is likely to be an infection source of ring spot disease, becomes the infected part, so the above treatment, that is, heated mist water is brought into contact with the tea leaves
  • the treatment to be carried out is preferably carried out within 24 hours, particularly within 18 hours, especially within 12 hours from the time of plucking or branching tea leaves.
  • ⁇ Tea production method Tea plants are grown while applying this control method, and 2-4 of the first tea (March to May), Nibancha (June to July), Sanbancha (July to August), and fall / winternadoha (autumn) Plucking may be performed at intervals and intervals.
  • the first tea is picked from mid-April to late May. Wait 45-50 days after picking the first tea and wait for the next bud to grow before serving the second tea.
  • the third tea is picked 40 to 45 days after the second tea is picked, and the fourth tea is picked 50 to 60 days after the third tea is picked.
  • a series of picked tea leaves are steamed with steam to inactivate (kill blue) the oxidase contained in fresh tea leaves, and then infused and dried with coarse koji, bonito, medium-plumbing, and spirits. After being processed into crude tea through the above process, it may be further processed according to the application.
  • a 40-65 ° C heated mist is made for tea variety "Yabukita" and this is used for 3 seconds-using a commercially available nozzle (20 heads) used for tea control.
  • the spray was applied to tea plants and tea leaves for 10 seconds, and the surface temperature (leaf surface temperature) of the tea leaves was measured and the presence or absence of thermal injury was observed.
  • the determination of the presence or absence of thermal injury is based on thermal injury if there is a state in which the leaf has fallen without progressing, such as the leaf falling so that it melts or the leaf turns red and black. If such a state is observed only in a part, it is determined that there is a thermal injury “partial”, and if such a state is not observed anywhere, it is determined that there is no thermal injury. did.
  • Anthracnose is a disease that infects hair follicles in young buds, and develops after an incubation period of 14 to 20 days (8 to 15 days at the shortest) after attachment to hair follicles. It has been found that such an anthracnose control method is most effective when it is carried out at the leaf opening stage of the buds with hair folds (within 2 weeks from the most tea picking or branching).
  • ring spot disease is a disease mainly transmitted from the wound surface at the time of plucking. Conidia germinate 2 to 3 hours after attachment, and become ill after a incubation period of 5 to 10 days.
  • Pesticides can be broadly distributed with “preventive agents” and “therapeutic agents”. Within one day from the above plucking, within two weeks from the first tea, etc. are all aimed at “prevention”, and it is based on the idea that prevention of disease leads to obtaining good quality tea leaves. However, even if pest control can cause disease, therapeutic agents are used in conventional pest control, but pesticides are used for a specific period of time, and the preventive agent is generally a therapeutic agent up to 30 days before the second tea extraction. Can generally only be used up to 14 days prior to picking Nibancha.
  • ⁇ Test 3> The relationship between the leaf surface temperature when heated mist-like water (heated mist) was brought into contact with tea leaves and the control effect was verified.
  • tea pests can be controlled when heated mist is brought into contact with tea trees and tea leaves so that the surface temperature of the tea leaves is 45 ° C. or higher. I understood.
  • ⁇ the temperature of the heating mist A (° C.) ⁇ 30 ° C. ⁇ ⁇ 2 ⁇ ⁇ the time h (seconds) for which the heating mist is brought into contact with the tea leaves
  • ⁇ ⁇ 100 is 50 or less, the control effect can be obtained in a shorter processing time, and no thermal injury occurs.
  • ⁇ Test 4> The relationship between the leaf surface temperature and treatment frequency when heated mist-like water (heated mist) was brought into contact with tea leaves, and the pest control effect was verified.
  • a pesticide that is a representative pest in tea leaves or tea trees is selected, and the pest control effect is determined from the average number of the pesticides that are attached to the three pest traps installed in each test area. The presence or absence of was judged.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Botany (AREA)
  • Forests & Forestry (AREA)
  • Ecology (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Pest Control & Pesticides (AREA)
  • Insects & Arthropods (AREA)
  • Catching Or Destruction (AREA)
  • Cultivation Of Plants (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

La présente invention concerne un nouveau procédé destiné à lutter contre les nuisibles du thé, qui utilise de l'eau chauffée, sans utiliser de quelconques pesticides, et grâce auquel il est possible d'effectuer une régulation plus efficace des populations de nuisibles du thé. Le procédé proposé de lutte contre les nuisibles est caractérisé par l'application d'un traitement dans lequel un brouillard d'eau chauffée est porté au contact de feuilles de thé de sorte que leur température de surface atteigne 45 à 55 °C.
PCT/JP2017/046886 2016-12-28 2017-12-27 Procédé de lutte contre les nuisibles du thé Ceased WO2018124175A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201780071682.7A CN109952022B (zh) 2016-12-28 2017-12-27 茶的病虫害防治方法
AU2017388833A AU2017388833B2 (en) 2016-12-28 2017-12-27 Method for controlling pests of tea
JP2018559574A JP6543006B2 (ja) 2016-12-28 2017-12-27 茶の病害虫防除方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016256329 2016-12-28
JP2016-256329 2016-12-28

Publications (1)

Publication Number Publication Date
WO2018124175A1 true WO2018124175A1 (fr) 2018-07-05

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Application Number Title Priority Date Filing Date
PCT/JP2017/046886 Ceased WO2018124175A1 (fr) 2016-12-28 2017-12-27 Procédé de lutte contre les nuisibles du thé

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JP (1) JP6543006B2 (fr)
CN (1) CN109952022B (fr)
AU (1) AU2017388833B2 (fr)
WO (1) WO2018124175A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019146561A1 (fr) * 2018-01-25 2019-08-01 株式会社伊藤園 Procédé favorisant la croissance du thé
JP2020174634A (ja) * 2019-04-22 2020-10-29 政幸 赤堀 茶樹の栽培方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4863305B2 (ja) * 2008-03-24 2012-01-25 国立大学法人茨城大学 農業用植物の熱ショック処理装置及び熱ショック処理方法
JP4942786B2 (ja) * 2009-05-01 2012-05-30 株式会社生物機能工学研究所 高温水又は外気温と温度差のある水による栽培植物の害虫駆除方法及び装置
JP5291160B2 (ja) * 2011-08-23 2013-09-18 株式会社 伊藤園 作物栽培方法及びその方法を用いた装置
JP5608508B2 (ja) * 2010-10-19 2014-10-15 Ｍｅｉｊｉ Ｓｅｉｋａファルマ株式会社 農園芸用殺菌剤
US20160174475A1 (en) * 2014-12-01 2016-06-23 Ali Mirzakhani Nafchi Indiscriminately On-the-GO Tree Heat Treatment Apparatus and its Effective Methods
JP2016146813A (ja) * 2015-02-13 2016-08-18 株式会社オーレック 温水防除装置

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KR100897740B1 (ko) * 2008-07-03 2009-05-15 이길세 이중 온실의 안개분무식 난방장치
CN203860157U (zh) * 2014-06-18 2014-10-08 鸡西绿海林业有限公司 用于林业生产中防治病虫害的热力烟雾器
JP2016152794A (ja) * 2015-02-13 2016-08-25 株式会社オーレック 有機農法およびそれに用いられる有機農法用溶液
JP5908628B1 (ja) * 2015-03-13 2016-04-26 フルタ電機株式会社 茶樹、又は果樹の（凍霜害回避による）生育育成と生育保護の装置と、その制御方法
CN205389757U (zh) * 2016-02-19 2016-07-27 贾会群 一种用于林业生产的防虫害热力烟雾器
CN105993736B (zh) * 2016-07-01 2022-07-26 南京林业大学 一种用于快速热处理抑制植物韧皮部病害的系统和方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4863305B2 (ja) * 2008-03-24 2012-01-25 国立大学法人茨城大学 農業用植物の熱ショック処理装置及び熱ショック処理方法
JP4942786B2 (ja) * 2009-05-01 2012-05-30 株式会社生物機能工学研究所 高温水又は外気温と温度差のある水による栽培植物の害虫駆除方法及び装置
JP5608508B2 (ja) * 2010-10-19 2014-10-15 Ｍｅｉｊｉ Ｓｅｉｋａファルマ株式会社 農園芸用殺菌剤
JP5291160B2 (ja) * 2011-08-23 2013-09-18 株式会社 伊藤園 作物栽培方法及びその方法を用いた装置
US20160174475A1 (en) * 2014-12-01 2016-06-23 Ali Mirzakhani Nafchi Indiscriminately On-the-GO Tree Heat Treatment Apparatus and its Effective Methods
JP2016146813A (ja) * 2015-02-13 2016-08-18 株式会社オーレック 温水防除装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019146561A1 (fr) * 2018-01-25 2019-08-01 株式会社伊藤園 Procédé favorisant la croissance du thé
JPWO2019146561A1 (ja) * 2018-01-25 2020-08-20 株式会社 伊藤園 茶の成長促進方法
JP2020174634A (ja) * 2019-04-22 2020-10-29 政幸 赤堀 茶樹の栽培方法
JP7127846B2 (ja) 2019-04-22 2022-08-30 政幸 赤堀 茶樹の栽培方法

Also Published As

Publication number Publication date
AU2017388833B2 (en) 2023-01-05
CN109952022A (zh) 2019-06-28
JPWO2018124175A1 (ja) 2019-07-25
CN109952022B (zh) 2022-03-29
JP6543006B2 (ja) 2019-07-10
AU2017388833A1 (en) 2019-05-30

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