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Method for selecting and breeding hybrid rootstock special for prevention and treatment of watermelon fusarium wilt

A technology for facility watermelon and fusarium wilt, which is applied in the field of selection and breeding of rootstock varieties for facility watermelon grafting, can solve the problems of affecting the appearance and quality of fruits, difficult to set fruit, and the fruit shape is not round, and achieves the prevention and control of watermelon fusarium wilt, easy and convenient. Fruit setting, good affinity

Inactive Publication Date: 2004-11-10
ZHEJIANG UNIV
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Problems solved by technology

However, its hybrid parents are gourd varieties of the northern ecological type. They are used in the climate conditions of low temperature and rain in the early stage of protected cultivation in the south, and high temperature in the later stage. whole, affecting fruit appearance and quality

Method used

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  • Method for selecting and breeding hybrid rootstock special for prevention and treatment of watermelon fusarium wilt

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Embodiment Construction

[0008] The present invention is further described below in conjunction with specific examples.

[0009] Taking the application of hybrid rootstocks for the prevention and treatment of watermelon wilt in the main watermelon producing areas of Zhejiang in 2001-2002 as an example, the steps are as follows:

[0010] 1. Breeding of hybrid rootstock "Huluzhen No. 1"

[0011] 1. Collection of local gourd species resources in Zhejiang, and 3 generations of self-crossing of natural populations in fields with high incidence of watermelon wilt in a specific facility environment.

[0012] 2. Individual plant selection and natural identification screening of resistance are carried out for each selfed offspring.

[0013] 3. In addition to the identification and screening of resistance in the third generation of self-bred, the focus is on the identification and screening of traits such as low temperature tolerance, fruit setting and quality of grafted watermelon.

[0014] 4. Screen out exc...

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Abstract

The invention discloses a breeding method of hybridization stake specially for prevention and cure of cucurbit wilt comprising, selecting the Zhejiang local long gourd variety for autocopulation, self-detaching and purification of three generations, evaluating inbred line CH1 exhibiting stable strain growth under low-temperature and low irradiance and having strong low temperature resistance as mother parent, selecting the Zhejiang local long round variety for autocopulation, self-detaching and purification of three generations, evaluating and screening inbred line YH-6 exhibiting strong low-temperature and heat resistance as father parent, preparing genetics F1 hybrid which is named 'Hulu Zhan No. 1'.

Description

technical field [0001] The invention relates to a method for selecting rootstock varieties for grafting watermelons in facilities. Background technique [0002] Watermelon Fusarium wilt is a worldwide devastating disease, which can lead to a reduction in watermelon production in mild cases, or wipe out the entire field in severe cases. The disease is particularly serious in watermelon cropping fields, which has seriously restricted the sustainable production of watermelon. At present, the methods for preventing and controlling watermelon wilt mainly include the following: 1. Crop rotation and stubble change. This is the simplest, most economical and effective method, but due to the limitation of land area and the limitation of protected cultivation, it is difficult to realize reasonable crop rotation for many years; 2. Chemical control. Using a variety of broad-spectrum fungicides, such as carbendazim, chlorothalonil, thiophanate-methyl, etc., some ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06A01H1/02
Inventor 张明方喻景权林燚
Owner ZHEJIANG UNIV
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