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A method for rescuing seedlings with blight blight during cultivation of peach embryo seedlings

A rescue method and embryo culture seedling technology are applied in the field of rescue of blight seedlings during the cultivation of peach embryo seedlings, which can solve the problem of high incidence of blight disease, achieve low cost, improve survival rate, and simple and practical operation. Effect

Active Publication Date: 2022-04-01
SHANGHAI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the purpose of the present invention is to provide a method for rescuing diseased seedlings with blight during the cultivation process of peach embryo seedlings, to solve the problem of higher incidence of blight after embryo rescued seedlings are transplanted, and to effectively save rare resources descendants of

Method used

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  • A method for rescuing seedlings with blight blight during cultivation of peach embryo seedlings
  • A method for rescuing seedlings with blight blight during cultivation of peach embryo seedlings
  • A method for rescuing seedlings with blight blight during cultivation of peach embryo seedlings

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Experimental program
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Effect test

Embodiment 1

[0029] Prevention and control of damping-off disease during the first transplanting of seedlings

[0030] Hybrid combination 1 is Huyou 018*Huyou 002, hybrid combination 2 is Jinxiang*Jinxia Youpantao, and hybrid combination 3 is Chunxiao*Zhongyoutao 9.

[0031] The matrix formula is peat: perlite: vermiculite volume ratio 2:1:1.

[0032] For treatment A, after the matrix is ​​wetted, use an autoclave to sterilize it for 20 minutes, put it into a single nutrient bowl after cooling, and transplant the test tube seedlings. Grow in a greenhouse. After the seedlings survived, the plastic cups were removed. The soil should not dry out and not watered. Two weeks after planting, the cotyledons began to wilt and become moldy ( figure 1 ), cut off all cotyledons from the base and take them outside the greenhouse for centralized destruction. If the infected seedlings are found, immediately remove them from the greenhouse and destroy them, and spray hymexazol 800 times liquid to the...

Embodiment 2

[0039] Rescue of the stem blighted plants during the second seedling transplantation

[0040] Hybrid combination 1 is Huyou 018*Huyou 002, hybrid combination 2 is Jinxiang*Jinxia Youpantao, and hybrid combination 3 is Chunxiao*Zhongyoutao 9.

[0041] The matrix formula is peat: perlite: vermiculite volume ratio 2:1:1. After the matrix is ​​mixed and wet, use an autoclave to sterilize for 20 minutes, put it into a single nutrient bowl after cooling, transplant the test tube seedlings, and water the carbendazim 800 times after transplanting, then cover with a disposable plastic cup to moisturize, and put it in the greenhouse to cultivate. After the seedlings survived, the plastic cups were removed. The soil should not dry out and not watered. Two weeks after planting, the cotyledons began to wilt and become moldy, and all cotyledons were cut off from the base and taken outside the greenhouse for centralized destruction. If the infected seedlings are found, immediately remove...

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Abstract

The invention provides a method for rescuing blight diseased seedlings in the process of cultivating peach embryo seedlings, and relates to the technical field of plant planting. The rescuing method of the present invention, from transplanting seedlings for the first time, the selection of independent nutrition pot, the disinfection of substrate, the use of fungicide, the removal of cotyledons of seedlings, when transplanting seedlings for the second time, sick seedlings are moved to open-air environment, carry out Various methods such as grafting or cutting or shortening to promote germination can save resources and save diseased plants. The rescue method of the present invention can transform 50-60% of diseased seedlings into healthy seedlings, and greatly improves the final survival rate of embryo-rescued seedlings. The rescue method of the present invention can increase the survival rate of embryo rescued seedlings from 50-60% to 70-80% through the control of each link; through this method, some offspring of rare resources can be effectively saved; this method Simple and effective, low cost, simple and practical operation.

Description

technical field [0001] The invention belongs to the technical field of plant planting, and in particular relates to a method for rescuing seedlings with blight blight during the cultivation process of peach embryo seedlings. Background technique [0002] Damping blight, also known as damping-off, is a worldwide seedling disease, mainly causing damage to the stem base or young roots of seedlings. The disease mainly affects the base of seedling stems or young roots. After the seedlings are unearthed, the base of the stem turns brown and appears water-soaked, and the diseased part constricts, wilts and dies but does not collapse. The young roots are rotten, and the diseased part is light brown, with a white cotton-like or spider-like mycelium layer, which is the mycelium or sclerotia of the pathogen. The pathogen is called Rhizoctonia solani Kühn (Rhizoctonia solani Kühn), which belongs to the half-known fungi. Occurrence law: Mycelium can directly invade the host and spread...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01G2/10A01G2/30A01G31/00A01H4/00A01N43/80A01N37/34A01N47/18A01P3/00
CPCA01G17/005A01G2/10A01G2/30A01G31/00A01H4/005A01N43/80A01N37/34A01N47/18
Inventor 杜纪红叶正文苏明申周慧娟李雄伟张夏南
Owner SHANGHAI ACAD OF AGRI SCI