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Spreading agent for mango and its preparation method and application

A spreading agent, mango technology, applied in the field of agricultural plant protection

Active Publication Date: 2022-05-17
ENVIRONMENT & PLANT PROTECTION INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is how to significantly reduce the contact angle and surface tension between liquid medicine or foliage fertilizer mist droplets and mango leaves, thereby improving the efficacy of medicine or fertilizer to reduce the usage of pesticides and foliar fertilizers, and reduce environmental pollution. Pollution

Method used

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  • Spreading agent for mango and its preparation method and application
  • Spreading agent for mango and its preparation method and application
  • Spreading agent for mango and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1, the preparation of spreading agent for mango

[0035] The inventor of the present invention has screened monolauric acid polyoxyethylene sorbitan and monolauric acid polyethylene glycol ester as the active ingredient of mango spreader from existing a large amount of fatty acid ester substances, and then With auxiliary materials (such as wetting agent, antifoaming agent, preservative and water), the spreading agent for mango (the spreading agent for mango of the present invention) that can significantly reduce the contact angle between the mist drop and the mango leaf surface has been made.

[0036] 1, spreader for mango of the present invention

[0037] The spreading agent for mango of the present invention is named as the spreading agent for mango of double fatty acid ester, and it is made up of active ingredient and auxiliary material, and the mass ratio of active ingredient and auxiliary material is 3:7. The active ingredient is composed of polyoxyethy...

Embodiment 2

[0073] Embodiment 2, spreading agent for mango of the present invention - double fatty acid ester spreading agent for mango improves the efficacy of insecticides on mango

[0074] A field experiment was conducted in a mango orchard in Yacheng Town, Sanya City, Hainan Province. Randomly select 200 healthy Jinhuang mango trees with no pests and diseases, more than ten years old, and randomly divide them into two treatment groups, 100 plants in each group: no spreader group and spreader group. The two treatment groups were operated in the same way except for spraying different liquid medicines. Do not use spreading agent group on July 19th, every plant sprayed 600 times of dilution of 40% chlorpyrifos EC, every plant sprayed 10000 times of emamectin benzoate (5% water dispersible granule) 2000-fold dilution of 8% indoxacarb + 8% tebufenozide EC per plant. Spreading agent group on July 19th, every plant was sprayed with 600 times of dilution of 40% chlorpyrifos EC+spreading agen...

Embodiment 3

[0081] Embodiment 3, spreading agent for mango of the present invention - double fatty acid ester spreading agent for mango improves the efficacy of insecticides on mango

[0082] A field experiment was conducted in a mango orchard in Yacheng Town, Sanya City, Hainan Province. A total of 12 mango trees were selected, all of which were more than 10 years old. The test consisted of 4 normal concentration groups without spreader (recommended concentration), normal concentration group with spreader (N1+ recommended concentration), 2 times normal concentration group without spreader (2 times recommended concentration) and blank group. For each treatment, 3 mango trees were treated, and these 4 treatment groups were operated in the same way except that the sprayed medicinal liquid was different. Do not use the spreading agent normal concentration group on August 3, spray 400 times dilution of 60g / L ethyl spinosad (Ailushi) per plant; use the spreading agent normal concentration gro...

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Abstract

The invention discloses a spreading agent for mango and its preparation method and application. The spreading agent for mango provided by the invention is composed of active ingredients and auxiliary materials. The active ingredients are composed of monolauric acid polyoxyethylene sorbitan and monolauric acid polyethylene glycol ester. The active ingredient of the spreading agent for mango of the present invention is fatty acid lipid surfactant, which can reduce the surface tension of water and medicinal liquid, reduce the contact angle between medicinal liquid droplets and the leaf surface, and achieve maximum coverage; therefore It has the function of improving the expansion, adhesion and moistening of pesticide spray droplets on the plant leaves, so that the pesticides can be more evenly distributed on the mango leaves, thereby improving the pesticide efficacy, while reducing the amount of pesticides used and reducing environmental pollution. The spreading agent for mango of the present invention is suitable for various spray pesticides on mango trees, including insecticides, fungicides, herbicides, plant growth regulators, foliar fertilizers, etc.

Description

Technical field [0001] The present invention relates to a spreading agent for mango in the field of agricultural plant protection and its preparation method and application. Background technique [0002] When using pesticide preparations, it is often necessary to add spreading agents accordingly. The purpose is to deal with the situation where the spray-dispersed liquid often flows out and does not adhere to plant leaves and pests. In fact, there are hydrophobic waxes and filaments on the surface of plants and pests, making it difficult for the dispersant to adhere. The spreading agent improves the adhesion and wettability of the medicinal solution through the interfacial activity of the main ingredients, and the spreading agent makes the effect of the pesticide appear more stably. In order to maximize the effect of pesticides, it is important to understand their characteristics and usage methods. When using functional spreading agents, it is also important to select approp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/30A01N43/22A01N43/12A01N45/00A01N47/24A01N57/16A01N43/90A01N47/38A01N37/28A01P7/04A01P21/00C05G3/00C05G3/60C05G3/50
CPCA01N25/30A01N43/22A01N43/12A01N45/00A01N47/24A01N57/16A01N43/90A01N47/38A01N37/28C05G3/00
Inventor 林勇潘波姜蕾王冰洁
Owner ENVIRONMENT & PLANT PROTECTION INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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