Novel technology for preventing alternaria alternata Keissl. of oilseed rape

A new technology of black spot disease, applied in the field of vegetable cultivation, can solve the problems of affecting commodity value and edible value, reducing yield, etc., and achieve the effect of reducing field bacteria source, increasing yield, and facilitating operation

Inactive Publication Date: 2017-04-05
于辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the yield is reduced, affecting its commodity value and edible value

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0012] 1. Rotate crops in a large area, turn over the land in time to clean the field after harvest, and reduce the source of bacteria in the field.

[0013] 2. Apply compost made by Japanese enzyme bacteria or use pig manure compost to cultivate antagonistic bacteria, strengthen field management, and improve rapeseed's disease resistance and disease tolerance.

[0014] 3. Select the disease-resistant variety Qinbai 2.

[0015] 4. For seed disinfection, 0.4% of the weight of the seeds can be used for seed dressing with 50% diphenhydrine wettable powder.

[0016] 5. Spray 500 times liquid of 64% antivirus alum wettable powder before the onset of the disease. When black spot and downy mildew are mixed, 500 times liquid of 70% ethylphosphine manganese zinc wettable powder can be used, every 7 to 10 days One time, continuous prevention and treatment 3 to 4 times. Stop medication 7 days before harvest.

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Abstract

A novel technology for preventing alternaria alternata Keissl. of oilseed rape is characterized in that the alternaria alternata Keissl. of the oilseed rape can be prevented through the processes of large-area crop rotation, application of compost ret through a Japanese ferment bacterium, selection of a disease-resistant variety, seed disinfection, chemical spraying and the like, and the novel technology is suitable for prevention of the alternaria alternata Keissl. of the oilseed rape.

Description

technical field [0001] The invention relates to the field of vegetable planting, in particular to a new technology for preventing and treating rapeseed black spot disease. Background technique [0002] False black spot of rapeseed and rapeseed mainly damages leaves. Aging or damaged leaves or seed pods are susceptible to disease. The lesion is round or nearly round, light grayish brown, and the ring pattern is not obvious. When the humidity is high, there is a gray-black mold layer on the lesion, that is, the fungus separates Spores and conidia. In severe cases, the lesions merge with each other, causing the leaves to dry up. In production, this disease sometimes occurs in combination with black spot. Like this, reduce output, affect its commodity value and edible value. Contents of the invention [0003] The invention aims to solve the technical problem that the traditional rapeseed black spot disease is seriously harmful, and invents a new technology for preventing an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00A01G1/00A01C1/08
CPCA01G13/00A01C1/08
Inventor 于辉
Owner 于辉
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