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Pumpkin plant protection agent and preparation method thereof

A technology for planting protection and pumpkin, applied in the agricultural field, can solve the problems of human, animal and environmental hazards, and high prevention and control costs, and achieve the effects of reducing environmental hazards, protecting the environment, and preventing the invasion of germs.

Inactive Publication Date: 2019-05-17
LUOYANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Pumpkin is a popular vegetable crop with high edible and medicinal value. However, fungal diseases such as powdery mildew, anthracnose, blight, and downy mildew often occur during the cultivation process from the seedling stage to the adult plant stage. At present, chemical control methods are mainly used for the prevention and control of these diseases, such as fenxining, carbendazim, chlorothalonil, mancozeb, etc. Although these pesticides are low-toxicity and low-residue pesticides, they are time-sensitive. It needs to be sprayed once every 5-7 days, and the number of pesticide spraying is as many as 3-5 times. The cost of control is high, and there is a certain harm to humans, animals and the environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A pumpkin plant protection agent, which contains components and their mass volume fractions are: 0.05% siloxane polyalkylene oxide copolymer, 0.01% nano silicon dioxide, 0.8% chitosan and 0.01% N -(2-Benzimidazolyl)carbamate methyl ester.

[0016] The preparation method of above-mentioned plant protection agent, concrete operation is as follows:

[0017] (1) Weigh N-(2-benzimidazolyl)methyl carbamate according to the above mass volume fraction, dissolve it with a small amount of acetic acid, and prepare N-(2-benzimidazolyl)methyl carbamate solution;

[0018] (2) Weigh chitosan according to the above mass volume fraction, dissolve with a small amount of acetic acid, and prepare a chitosan solution.

[0019] (3) Weigh nano-silica and siloxane polyalkylene oxide copolymer according to the above mass volume fraction, first add nano-silica to a small amount of ethylene glycol and stir, then add siloxane polyalkylene oxide Oxide copolymers, stirred, prepared as a suspension...

Embodiment 2

[0022] A pumpkin plant protection agent, which contains components and their mass volume fractions are: 0.2% of siloxane polyalkylene oxide copolymer, 1% of nano silicon dioxide, 1.0% of chitosan and 0.1% of N -(2-Benzimidazolyl)carbamate methyl ester.

[0023] The preparation method is the same as in Example 1.

Embodiment 3

[0025] A pumpkin plant protection agent, which contains components and their mass volume fractions are: 0.1% siloxane polyalkylene oxide copolymer, 0.05% nano silicon dioxide, 0.9% chitosan and 0.05% N-(2-Benzimidazolyl) methyl carbamate.

[0026] The preparation method is the same as in Example 1.

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Abstract

The invention relates to a pumpkin leaf fungus disease prevention and treatment plant protection agent and a preparation method thereof, and belongs to the technical field of agriculture. The pumpkinleaf fungus disease prevention and treatment plant protection agent is prepared from the components in volume fraction by mass: 0.05-0.2% of siloxane polyalkane oxide copolymer, 0.01-1% nano silica, 0.8-1.0% chitosan and 0.01-0.1% N-(2-benzimidazolyl)methyl carbamate. The plant protection agent can form a natural anti-bacterial and bactericidal barrier on the surface of a pumpkin leaf, and effectively inhibit the infection of the pumpkin fungal pathogenic disease on the plant, spraying only needs to be performed for 1-3 times in the whole growth process, the pesticide dosage is greatly reduced, and the pesticide pollution to the environment is reduced.

Description

technical field [0001] The invention belongs to the technical field of agriculture, and in particular relates to a plant protection agent for controlling fungal diseases on pumpkin leaves and a preparation method thereof. Background technique [0002] Pumpkin is a popular vegetable crop with high edible and medicinal value. However, fungal diseases such as powdery mildew, anthracnose, blight, and downy mildew often occur during the cultivation process from the seedling stage to the adult plant stage. At present, chemical control methods are mainly used for the prevention and control of these diseases, such as fenxining, carbendazim, chlorothalonil, mancozeb, etc. Although these pesticides are low-toxicity and low-residue pesticides, they are time-sensitive. It needs to be sprayed once every 5-7 days, and the number of pesticide spraying is as many as 3-5 times. The cost of prevention and control is high, and there is certain harm to humans, animals and the environment. Con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N55/10A01N59/00A01N43/16A01N43/52A01P3/00
Inventor 韩建明周琳马荣光张延召郑玲冯爱青程彦伟王育娜
Owner LUOYANG NORMAL UNIV