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Pesticides capable of preventing and treating banana sigatoka leaf spot disease

A technology for brown edge gray spot disease and pesticide is applied in the field of pesticides for preventing and treating banana brown edge gray spot disease, which can solve the problems of disease prevalence, easy generation of drug resistance, and high prevention and control costs, and achieves low use cost, difficult drug resistance, long lasting effect

Inactive Publication Date: 2012-12-19
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

In Queensland and other large-scale banana planting areas in Australia, during the epidemic period, Dili demineralized oil is used for aircraft low-volume spraying control, spraying once every 15-20 days, and a total of 8-10 sprays per year, which can effectively control the damage of the disease, but In case of bad weather, if the pesticides cannot be sprayed in time, the disease will become popular.
[0004] Before the implementation of the present invention, there were the following difficulties in the prevention and treatment of brown-margined gray spot of bananas: the widely used pesticide is imported pesticide Dilitox, which is expensive by import, and the cost of prevention and treatment is high; Medicinal properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Pesticides for the prevention and treatment of brown-margined gray spot of banana, consisting of triadimefon: 8%, mancozeb 20%, dispersant: 2%, wetting agent: 1%, stabilizer: 1%, filler: balance, Made by mixing. The dispersant is 2% sodium naphthalenesulfonate formaldehyde condensate; the wetting agent may be 1% pull-off powder; the stabilizer may be 1% calcium carbonate; the filler may be the remainder of kaolin. The preparation method consists of the following steps: kaolin is dried and cooled, and then the formulation materials triadimefon, mancozeb, sodium naphthalenesulfonate formaldehyde condensate, pull-off powder, calcium carbonate and kaolin are mixed, and ground by a pulverizer , Mix evenly, after sampling and analysis, pack after passing the test. Use 1000 times of the preparation to prevent and control banana brown margin gray spot, a part of the agent forms a protective layer on the leaf surface, so that the pathogen spores on the old disease spots and new...

Embodiment 2

[0012] Pesticides for the prevention and treatment of banana brown-margined gray spot, consisting of triadimefon: 15%, mancozeb: 10%, dispersant: 5%, wetting agent: 5%, stabilizer: 5%, filler: the balance , mixed and compounded, the dispersant is sodium naphthalenesulfonate formaldehyde condensate 5%; the wetting agent can choose sodium lignosulfonate 5%; the stabilizer can choose calcium carbonate 5%; Filling agent can choose kaolin, the balance. The preparation method consists of the following steps: kaolin is dried and cooled, and then the formulation materials triadimefon, mancozeb, sodium naphthalenesulfonate formaldehyde condensate, sodium ligninsulfonate, calcium carbonate and kaolin are mixed, and passed through a pulverizer Grind, mix evenly, and pack after sampling and analysis. Use 1000 times of the preparation to prevent and control banana brown margin gray spot, a part of the agent forms a protective layer on the leaf surface, so that the pathogen spores on the o...

Embodiment 3

[0014] Pesticides for the prevention and treatment of banana brown-margined gray spot, consisting of triadimefon: 12%, mancozeb: 15%, dispersant: 4%, wetting agent: 3%, stabilizer: 3%, filler: balance, Formed by mixing and compounding, the dispersant is sodium naphthalenesulfonate formaldehyde condensate 4%; the wetting agent can be sodium dodecylbenzenesulfonate 3%; the stabilizer can be potassium phosphate 3%; The filler can be selected from diatomaceous earth, and the balance. The preparation method consists of the following steps: drying and cooling the diatomite, and then mixing the ingredients triadimefon, mancozeb, sodium naphthalenesulfonate formaldehyde condensate, sodium dodecylbenzenesulfonate, potassium phosphate, diatom Mixed with soil, finely ground by a pulverizer, mixed evenly, sampled and analyzed, and packaged after passing the test. Use 1000 times of the preparation to prevent and control banana brown margin gray spot, a part of the agent forms a protective...

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PUM

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Abstract

The invention discloses a pesticide against banana sigatoka leaf spot disease, with the proportion (weight percentage) as follows: 8-15% of triadimefon, 10-20% of mancozeb, 2-5% of dispersant, 1-5% of wetter, 1-5% of stabilizer, and rest of filler. The preparation method is to dry and cool the filler, blend the ingredients, mill and uniformly mix the ingredients by omnipotent disintegrator, package the qualified mixture after sampling analysis. The invention has the advantages of 1 good effect for banana sigatoka leaf spot disease without easily causing drug resistance after been used repeatedly, 2 long last and highly effective efficacy, and 3 low cost.

Description

technical field [0001] The invention relates to a pesticide, in particular to a pesticide for preventing and treating brown-margined gray spot of banana. Background technique [0002] Banana brown-edged gray spot disease is an important foliar disease that harms bananas and occurs widely in Hainan and other banana growing areas in my country. Banana brown margin gray spot disease is difficult to prevent and control, and the degree of damage is getting worse. The loss caused by the damage is generally 30-50%, and the quality of banana fruits is reduced, causing huge economic losses. It has become a hindrance to the banana planting industry in my country. One of the important factors of development. [0003] In 1997, Lai Yuexian and others proposed to take comprehensive control measures, based on cultivation and disease prevention, and chemical control as the center to control the expansion and spread of the disease. In chemical control, it is recommended to use 25% Dili, a sp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/24A01P3/00A01N43/653
Inventor 张欣谢艺贤张辉强蒲金基漆艳香
Owner ENVIRONMENT & PLANT PROTECTION INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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