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Spreader for mangoes as well as preparation method and application thereof

A spreader, mango technology, applied in the field of agricultural plant protection, to achieve the effect of improving the efficacy of pesticides, reducing contact angle and surface tension, and reducing the amount of use

Active Publication Date: 2020-12-18
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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  • Spreader for mangoes as well as preparation method and application thereof
  • Spreader for mangoes as well as preparation method and application thereof
  • Spreader for mangoes as well as preparation method and application thereof

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 spreader for mangoes as well as a preparation method and application of the spreader. The spreader for mangoes provided by the invention is composed of an active component and auxiliary materials, wherein the active component is composed of polyoxyethylene sorbitan monolaurate and polyethylene glycol monolaurate. The active ingredient of the spreader for mangoes is a fatty acid lipid surfactant, so that the surface tension of water and liquid medicine can be reduced, the contact angle between liquid medicine fog drops and leaf surfaces can be reduced, and the maximumcoverage is achieved; therefore, the spreader has the functions of improving expansion, attachment and wetting of pesticide spraying liquid drops on plant leaves, pesticide can be more evenly distributed on the mango leaves, the pesticide effect of the pesticide is improved, meanwhile, the use amount of the pesticide is reduced, and environmental pollution is reduced. The spreader for mangoes is suitable for various spraying pesticides of mango trees, including insecticides, bactericides, herbicides, plant growth regulators, foliar fertilizers and the like.

Description

technical field [0001] The invention relates to a spreader for mango in the field of agricultural plant protection, a preparation method and application thereof. Background technique [0002] When pesticide formulations are used, it is often necessary to add a corresponding spreader, the purpose is to deal with the situation that the sprayed spray liquid often falls and does not pay attention to the plant leaves and pests. In fact, there are hydrophobic waxes and filaments on the surface of plants and pests, and the dispersion liquid is not easy to adhere to. The spreader improves the adhesion and wettability of the liquid medicine through the interface activity of the main components, and the spreader makes the effect of the pesticide more stable. In order to maximize the effect of pesticides, it is important to understand their characteristics and application methods. At the same time, when using functional spreaders, it is also very important to select appropriate types,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/30A01N43/22A01N43/12A01N45/00A01N47/24A01N57/16A01N43/90A01N47/38A01N37/28A01P7/04A01P21/00C05G3/00C05G3/60
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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