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Prevention and control method for rice brown spot disease

A technology of flax leaf spot and rice, applied in the field of plant protection, can solve problems such as rice disease, and achieve the effects of preventing disease, improving yield and quality, and increasing yield

Inactive Publication Date: 2015-10-28
云南天质弘耕科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally due to lack of fertilizer and water, etc., the disease is serious when the growth of rice is poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A method for preventing and treating rice flax leaf spot, comprising the following steps:

[0038] 1) Ecological governance:

[0039] (1) Apply Woyiduo or Difulai microbial fertilizer to improve soil physical and chemical properties, improve soil fertility, and enhance the absorption capacity of rice roots;

[0040] (2) The seedling field should be high in terrain, disease-free, convenient for irrigation and drainage, far away from straw piles, threshing fields and drying fields, and continuous cropping late-rice seedling fields should also be far away from early-rice diseased fields;

[0041] 2) Agricultural control:

[0042] (1) Selection of disease-resistant varieties;

[0043] (2) Select disease-free rice seeds: conventional rice is reserved in disease-free fields, and hybrid rice is produced in non-disease areas;

[0044] (3) Improve soil: deep ploughing can promote the development of rice roots, enhance the ability to absorb water and fertilizer, and improve di...

Embodiment 2

[0059] A method for preventing and treating rice flax leaf spot, comprising the following steps:

[0060] 1) Ecological governance:

[0061] (1) Apply Woyiduo or Difulai microbial fertilizer to improve soil physical and chemical properties, improve soil fertility, and enhance the absorption capacity of rice roots;

[0062] (2) The seedling field should be high in terrain, disease-free, convenient for irrigation and drainage, far away from straw piles, threshing fields and drying fields, and continuous cropping late-rice seedling fields should also be far away from early-rice diseased fields;

[0063] 2) Agricultural control:

[0064] (1) Selection of disease-resistant varieties;

[0065] (2) Select disease-free rice seeds: conventional rice is reserved in disease-free fields, and hybrid rice is produced in non-disease areas;

[0066] (3) Improve soil: deep ploughing can promote the development of rice roots, enhance the ability to absorb water and fertilizer, and improve di...

Embodiment 3

[0081] A method for preventing and treating rice flax leaf spot, comprising the following steps:

[0082] 1) Ecological governance:

[0083] (1) Apply Woyiduo or Difulai microbial fertilizer to improve soil physical and chemical properties, improve soil fertility, and enhance the absorption capacity of rice roots;

[0084] (2) The seedling field should be high in terrain, disease-free, convenient for irrigation and drainage, far away from straw piles, threshing fields and drying fields, and continuous cropping late-rice seedling fields should also be far away from early-rice diseased fields;

[0085] 2) Agricultural control:

[0086] (1) Selection of disease-resistant varieties;

[0087] (2) Select disease-free rice seeds: conventional rice is reserved in disease-free fields, and hybrid rice is produced in non-disease areas;

[0088] (3) Improve soil: deep ploughing can promote the development of rice roots, enhance the ability to absorb water and fertilizer, and improve di...

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PUM

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Abstract

The invention relates to a prevention and control method of rice brown spot disease. The prevention and control method comprises the following steps: (1) ecological management: applying HYT(High Yield Technology) or Difulai microorganism fertilizer to improve soil physical and chemical properties, improve soil fertility and enhance the absorbing ability of a rice root system; (2) agricultural prevention and control; (3) biological control; (4) biological prevention and control; (5) physical prevention and control; and (6) chemical prevention and control: selecting a solution formed by diluting 72.2% propamocarb hydrochloride by 600 times, a solution formed by diluting 58% fubol wettable powder or 80% mancozeb wettable powder by 500 times to perform foliage spray, and applying a solution formed by diluting 70% propineb wettable powder by 500 times in a combined manner to perform foliage spray. The method can effectively prevent the rice brown spot disease, and performs comprehensive prevention and control by adopting the measures such as agricultural prevention and control and physical prevention and control, so that the average incident rate of the rice brown spot disease is reduced, the yield is increased, the rice level is obviously improved, and a good economic benefit is achieved.

Description

technical field [0001] The invention relates to a method for preventing and controlling leaf spot disease of rice flax, belonging to the technical field of plant protection. Background technique [0002] Rice flax leaf spot, also known as rice flax leaf blight, is a fungal disease with a wide distribution and occurs in all rice regions across the country. Generally due to lack of fertilizer and water and other reasons, the disease is serious when rice is not growing well. Symptoms of damage: The disease can occur from the seedling stage to the harvest stage, and the above-ground parts of the rice plant can be damaged, especially the leaves are the most common. The disease occurs at the bud stage, the coleoptiles turn brown, the buds are not drawn, and the cotyledons die. In the seedling stage, the diseased leaves and leaf sheaths are mostly oval lesions, such as the size of flax grains, dark brown, sometimes the lesions expand into strips, and the seedlings die when the le...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00A01G16/00C05G3/00A01G22/22
CPCA01G13/00A01G22/22C05F1/005C05G3/00
Inventor 李美琼李佩龙
Owner 云南天质弘耕科技有限公司