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Bactericide specially for preventing and treating diseases of tobacco in middle and later stage and its prepn

A fungicide and disease technology, which is applied in the field of fungicides for preventing and controlling various diseases of flue-cured tobacco in the middle and late stages of flue-cured tobacco. and treatment effect, reducing the cost of prevention and treatment, and the effect of good market prospects

Inactive Publication Date: 2002-05-22
赵国晶
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is difficult to use traditional medicaments and methods to prevent and control. The economic loss caused by ineffective disease control reaches 900-110 million yuan per year, and some fields have no yield. The disease of flue-cured tobacco has seriously restricted the quality of Yunnan Liangyan. Production
[0003] Due to the many mountains in Yunnan and the limited land conditions, it is difficult to achieve reasonable crop rotation, and the continuous cropping time of tobacco fields is long, resulting in the continuous increase of the pathogen base in the field

Method used

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Examples

Experimental program
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Embodiment Construction

[0030] A special fungicide for preventing and treating various diseases in the middle and later stages of flue-cured tobacco, which is composed of 46.0% copper hydroxide, 9.0% thiacumazole, 32.0% silicon bath soil, 3.6% carboxymethyl cellulose, and petroleum sodium carbonate 2.4%, glycerin 4.0%, isopropanol 2.0%, tea 1.0%. A wettable powder with 55% by weight of the active ingredient is prepared, the product is low in toxicity, is blue-gray powder, and has a validity period of 36 months at normal temperature.

[0031] product instructions:

[0032] Applied crops: flue-cured tobacco

[0033] Control objects: wildfire disease, red spot disease, angular spot, powdery mildew, anthracnose, white spot disease

[0034] Application time: field flue-cured tobacco plant budding period to tobacco leaf picking and roasting

[0035] Dosage and method of application: 3.0 kg of commercial products per hectare, mix the medicine with water to 500 times, spray on the leaves of the whole plan...

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PUM

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Abstract

The special-purpose fungicide for controlling several diseases in middle and later stage of tobacco plant growth is made up by using cupric hydroxide, Saikuzuo, Carboxymethyl cellulose, petroleum sodium carbonate, propanetriol, diatomite, isopropanol and chaku as raw material through a certain preparation process. Its finished product is a 55% wettable powder which can be used for curing wildfine, rust, angular leaf spot, powdery mildew, anthracnose and white rust, etc. Its preparation process is simple, does not produce waste water, waste residue and waste gas, and features low cost, broad spectrum, high efficiency and low-toxicity.

Description

1. Technical field [0001] The invention relates to the technical field of using chemical methods to prevent and control various diseases in the growth process of flue-cured tobacco, in particular to a fungicide for preventing and curing various diseases in the middle and later stages of flue-cured tobacco. 2. Background technology [0002] The annual planting area of ​​flue-cured tobacco in Yunnan Province is 5-6 million mu. It is the pillar industry of Yunnan’s finance. Its industrial profit accounts for about 70% of the province’s fiscal revenue. Morin zinc, mancozeb, fenxining and other pesticides to prevent and control flue-cured tobacco diseases. However, with the improvement of production conditions, changes in the types, proportions, quantities, and methods of fertilization, as well as the cultivation methods and seedling raising methods of flue-cured tobacco varieties, the advancement of transplanting seasons, the types, occurrence periods, and occurrence of pathogen...

Claims

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Application Information

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IPC IPC(8): A01N59/20
Inventor 赵国晶
Owner 赵国晶
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