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Pesticide composition for prevention and control of wheat scab, its preparation method and use

A pesticide composition and scab technology, applied in the field of pesticides, can solve the problems that the toxin content in the grain cannot be reduced, the yield of wheat crops cannot be increased, and the disease resistance of varieties cannot be improved, so as to improve the disease resistance of wheat, Increase the number of solid grains, the effect of low price

Inactive Publication Date: 2013-09-25
北京中亿万德生物科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among other types of fungicides, some fungicides have a good control effect on scab, but are unstable or prone to resistance; some fungicides can reduce the condition of scab, but they cannot reduce the The content of toxins, some fungicides even increase the content of toxins in the grain
At present, there are nearly 300 types of scab control agents registered in China. However, these pesticides can only inhibit the growth of scab and reduce the damage of scab, but cannot improve the disease resistance of varieties, increase the number of grains per ear, and cannot increase wheat crop yield

Method used

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  • Pesticide composition for prevention and control of wheat scab, its preparation method and use
  • Pesticide composition for prevention and control of wheat scab, its preparation method and use
  • Pesticide composition for prevention and control of wheat scab, its preparation method and use

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Effect test

Embodiment 1

[0017] Embodiment 1: the preparation of pesticide composition

[0018] Get commercially available 60% spray gram (the mass percentage composition of active ingredient mancozeb is 60%) 50g and commercially available 50% Fangmoubao (the mass percentage composition of active ingredient carbendazim is 50%) 150g , mix the two evenly to obtain the pesticide composition of the present invention, and in the obtained pesticide composition, the mass ratio of mancozeb:carbendazim is 2:5. Before use, add 675kg of water to every 750g of the composition, and prepare the pesticide composition into a liquid according to this ratio.

Embodiment 2

[0019] Embodiment 2: the preparation of pesticide composition

[0020] Get commercially available 60% Dasheng (the mass percentage of the active ingredient mancozeb is 60%) 67g and commercially available 50% Kaijiang (the mass percentage of the active ingredient carbendazim is 50%) 133g, The two are evenly mixed to obtain the pesticide composition of the present invention, and in the obtained pesticide composition, the mass ratio of mancozeb:carbendazim is 20.1:33.25. Before use, add 675kg of water to every 750g of the composition, and prepare the pesticide composition into a liquid according to this ratio.

Embodiment 3

[0021] Embodiment 3: the preparation of pesticide composition

[0022] Get commercially available 60% spray gram (the mass percentage of active ingredient mancozeb is 60%) 75g and commercially available 50% Tongwang (the mass percentage of active ingredient carbendazim is 50%) 75g, The two are uniformly mixed to obtain the pesticide composition of the present invention, and in the obtained pesticide composition, the mass ratio of mancozeb:carbendazim is 6:5. Before use, add 675kg of water to every 750g of the composition, and prepare the pesticide composition into a liquid according to this ratio.

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Abstract

The invention provides a pesticide composition for prevention and control of wheat scab, its preparation method and use. The composition contains mancozeb and carbendazim that are in a mass ratio of 3:17-4:1. Spraying of the composition from the first flowering dates of wheat crops to the next 12 days thereafter can effectively improve the disease resistance of wheat, prevent and control scab, and can promote fertilization, increase the fruiting number, as well as enhance the yield. Moreover, the pesticide composition has a wide application period, the prevention and control effects are undifferentiated among varieties, and there exists no interaction effect with the varieties.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a pesticide composition for preventing and treating wheat head blight, a preparation method and application thereof. Background technique [0002] The occurrence of wheat head blight is largely affected by climate. Therefore, in the year when the climate conditions are suitable for wheat head blight, chemical agents play a decisive role in the control of wheat head blight. For the chemical control of wheat scab, scientific and technological workers at home and abroad have found through a large number of experimental studies that there are mainly two types of ideal systemic fungicides: methylbenzimidazole carbamates (MBC, including carbendazim and benzo Bacendazim) and triazoles (such as Subaoli, tebuconazole, oxyconazole and propiconazole, etc.). In the 1970s, MBC fungicides were proved to be able to control the prevalence of wheat head blight in some areas of Sou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/18A01N47/14A01P3/00
Inventor 何仪郑智慧
Owner 北京中亿万德生物科技开发有限公司
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