Method for preventing and controlling hot pepper epidemic disease

A technology of pepper blight and bio-control bacteria, applied in the field of pepper blight prevention and control, can solve the problems of lack of control measures

Inactive Publication Date: 2008-06-04
HENAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is still a lack of effective pepper blight-resistant varieties in production. The prevention and control of pepper blight mainly depends on chem

Method used

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  • Method for preventing and controlling hot pepper epidemic disease
  • Method for preventing and controlling hot pepper epidemic disease
  • Method for preventing and controlling hot pepper epidemic disease

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1: In this example, the seedling substrate produced by Sinangro Co. Jinju, Korea, the solid water retaining agent produced by JRM chemical. Inc. Cleveland, Ohio, USA, and KACC91013 were selected for Serratia plymuthica.

[0032] Take 100 kg of dry seedling-raising substrate and mix it evenly with 1 kg of solid water-retaining agent. The reason for choosing dry seedling-raising substrate is to avoid the solid water-retaining agent from absorbing water and agglomerating when mixing. Then set the concentration to 10 9 Add 100 liters of cfu / ml Serratia plymuthica suspension into the mixture of the above-mentioned substrate and solid water-retaining agent, add and stir to make it evenly mixed, and then it can be used for seedling cultivation.

Embodiment 2

[0033] Embodiment 2: In this embodiment, select 100 kilograms of seedling-growing substrates, 2 kilograms of solid water-retaining agents, and a concentration of 10 9 100 liters of the Serratia plymuthica suspension of cfu / ml, others are identical with embodiment 1.

Embodiment 3

[0034] Embodiment 3: In this embodiment, select 1000 kilograms of seedling-growing substrates, 20 kilograms of solid water-retaining agents, and a concentration of 10 9 750 liters of Serratia plymuthica suspension of cfu / ml, others are identical with embodiment 1.

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Abstract

The invention discloses a method of preventing pepper blight, which is that bio-antagonists and solid liquid-preserving agent together is used for treating breeding matrix; the addition weight of the solid liquid-preserving agent is 1 to 2 percent of the breeding matrix; the addition amount of the suspension liquid of the bio-antagonists is 100 to 200ml per 200g of the breeding matrix; the concentration of the suspension liquid of the bio-antagonists is 10<9>cfu/ml. By adopting the method, the survival ability of the bio-antagonists is stable; the colonization density of pepper root region of the bio-antagonists is added during the nursery stage; the pepper blight is prevented and the disease prevention effect in field is improved. In addition, the invention can also enhance seed germination rate, promote seedling growth, and be in favor of seedling growing strong; when being applied to seeding production, the invention can prevent diseases of seedling and improve seedling quality.

Description

technical field [0001] The invention belongs to plant protection, in particular to a method for preventing and treating capsicum blight by using biocontrol microorganisms. Background technique [0002] Pepper blight is a devastating soil-borne disease caused by Phytophthora capsici. Since the disease was first discovered in the United States in 1918, it has become common in pepper-growing regions of the world. At present, pepper blight causes losses of 20%-30% every year, and when it is severe, it can reach 70%-80%, or even the whole field fails to harvest. It is one of the most serious diseases in pepper production. Because the pathogenic bacteria survive in the soil for a long time, and the number of pathogenic bacteria increases year by year with crop continuous cropping, the harm becomes more and more serious. At present, there is still a lack of effective pepper blight-resistant varieties in production. The prevention and control of pepper blight mainly depends on che...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G7/00A01N63/02
Inventor 申顺善朴凤植朴昌锡
Owner HENAN AGRICULTURAL UNIVERSITY
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