Control method of black shank in potatoes

A technology for potato and black shank, which is applied in the field of crop cultivation, can solve the problems of slow growth and spread on the surface of leaves, and achieve the effects of improving disease resistance, reducing morbidity and simple control methods.

Inactive Publication Date: 2015-02-11
郑佩芳
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Early blight produces fewer spores than late blight, usually occurs earlier than late blight, but its growth spread is less dependent on prolonged wetness of the leaf surface and develops more slowly

Method used

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Examples

Experimental program
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example 1

[0020] Example 1, a kind of control method of potato black shank

[0021] The basic situation of the planting area, more than 4,600 acres of potatoes are planted in this area, and the incidence of potato black shank is relatively high every year. Through experiments, it is determined that early blight and late blight of potatoes are the characteristics of the pathogen of black shank, so the potato is affected by black shank. The prevention and control measures to be taken, starting from reducing the impact of early blight and late blight on the yield and quality of potato planting.

[0022] 1. Prevention and treatment of potato early blight

[0023] Determining the symptoms of potato early blight usually occurs when the plants are in adversity, and these adversities often come from lack of fertilizer (such as nitrogen and other nutrients), high temperature, lack of water in plants, and weak growth.

[0024] 1. Reduce the growth of potatoes under adverse conditions, ensure the...

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Abstract

The invention discloses a control method of black shank in potatoes. The fact that early blight and late blight in the potatoes are features of pathogens to the black shank is determined by testing; preventive measures taken for preventing damage of the potatoes caused by the black shank start accordingly from the influence the early blight and late blight upon the planting yield and quality of the potatoes. The control method is simple, low in cost and easy for farmers to master. A great quantity of planting tests show that the method has the advantages that attack rate of the black shank is decreased by 86%, and benefit is increased by 32%.

Description

technical field [0001] The invention relates to the technical field of crop cultivation, in particular to a method for preventing and treating potato blackleg. Background technique [0002] Potatoes are affected by black shank, which has a serious impact on yield and quality. In order to minimize the loss, corresponding control measures must be taken. Early blight and late blight of potato are the pathogens of black shank, and the pathogenic bacteria of early blight are half-known fungi. The source of early blight can survive on plant residues or other host plants. The fungus produces spores on the surface of infected plants under wet conditions (rainfall, irrigation, prolonged dew), survives in a wide temperature range and is spread by wind. Early blight produces fewer spores than late blight, usually occurs earlier than late blight, but its growth spread is less dependent on prolonged wetness of the leaf surface and develops more slowly. The initial symptoms of the affe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G13/00
CPCA01G13/00A01G22/00
Inventor 郑佩芳
Owner 郑佩芳
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