Salt tolerance pumpkin rootstock seed breeding method for cucumber grafting cultivation

A cucumber and rootstock technology, applied in botany equipment and methods, applications, plant genetic improvement, etc., to achieve good salt tolerance and no peculiar smell

Inactive Publication Date: 2014-07-30
HENAN INST OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But no one screened cucumber salt-tolerant rootstocks from pump

Method used

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Embodiment 1

[0022] A salt-tolerant pumpkin rootstock breeding method for cucumber grafting cultivation, characterized in that it comprises the following steps in sequence: Step 1, obtaining Chinese pumpkin inbred lines; Step 2, obtaining Chinese pumpkin hybrids; Step 3, Chinese pumpkin Selective identification of salt tolerance of hybrids; step 4, selective identification of salt tolerance of grafted cucumbers in the field, through the above steps, finally determine 1-2 salt-tolerant Chinese pumpkin rootstock varieties suitable for cucumber grafting cultivation. in:

[0023] Step 1: Acquisition of Chinese pumpkin inbred lines First, no less than 50 copies of Chinese pumpkin resources are artificially controlled for self-bred purification for no less than 5 generations, and at the same time, traits are selected to select strong growth potential, disease resistance, and stress resistance. Strong individual plants are retained. After more than 5 generations of selfing and selection, 30-50 ...

Embodiment 2

[0027] A salt-tolerant pumpkin rootstock breeding method for cucumber grafting cultivation, characterized in that it comprises the following steps in sequence: Step 1, obtaining Chinese pumpkin inbred lines; Step 2, obtaining Chinese pumpkin hybrids; Step 3, Chinese pumpkin Selective identification of hybrid salt tolerance; step 4, selection and identification of compatibility between Chinese pumpkin hybrids and cucumber grafting; step 5, selection identification of salt tolerance of grafted cucumbers in the field, through the above steps, finally determine the tolerance suitable for cucumber grafting cultivation 1 to 2 rootstock varieties of salted Chinese pumpkin. in:

[0028]Step 1: Acquisition of Chinese pumpkin inbred lines First, no less than 50 copies of Chinese pumpkin resources are artificially controlled for self-bred purification for no less than 5 generations, and at the same time, traits are selected to select strong growth potential, disease resistance, and stre...

Embodiment 3

[0033] The present invention will be further described with the "Yanzhen No. 1" variety breeding process cultivated by the inventor below.

[0034] Step 1: The obtained parents of Chinese pumpkin inbred lines are two pumpkin farm varieties, which have been artificially controlled for self-crossing and offspring selection since 2000. After 5 years of artificial control and offspring selection, a homozygous inbred line has been obtained. The female parent is '360-3' and the male parent is '112-2'. The female parent '360-3' is a farm variety native to the suburbs of Xiaogan City, Hubei Province. It is a line selected from the offspring after selfing. It has strong growth vigor, strong resistance to viral diseases and powdery mildew, and good heat resistance , the first female flower is born at 18-20 nodes, and a single vine pruning in the open field bears 4-8 fruits per plant. It is a late-maturing type, and the growth period is 120-150 days. Generally, the fruit matures in July-...

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Abstract

The present invention discloses a salt tolerance pumpkin rootstock seed breeding method for cucumber grafting cultivation. The method is characterized by comprising: 1, obtaining a China pumpkin inbred line; 2, obtaining a China pumpkin hybrid; 3, carrying out selection identification on salt tolerance of the China pumpkin hybrid; and 4, carrying out selection identification on field salt tolerance of the grafted cucumber, wherein 1-2 salt tolerance China pumpkin rootstock varieties for cucumber grafting cultivation are finally determined with the steps. The cultivated pumpkin salt tolerance rootstock variety has the following salient characteristics that: the salt tolerance is good; after the bred cucumber rootstock is grafted, the obtained grafted cucumber plant can grow well in the protection ground soil under a condition of salt content of 0.5%, and grow better compared with the grafted cucumber plant grafted with the main rootstock cucurbita ficifolia in the current production; and the yield is increased by 40-50% compared with the yield of the non-grafted cucumber plant, and is increased by 15-20% compared with the yield of the grafted cucumber adopting the cucurbita ficifolia as the rootstock.

Description

technical field [0001] The invention relates to breeding of new plant varieties, in particular to a salt-tolerant pumpkin rootstock breeding method for cucumber grafting cultivation. Background technique [0002] In recent years, with the rapid development of protected horticulture, the cultivation area of ​​vegetables in off-season protected areas has continued to expand. However, since protected areas are covered for production all year round, the soil cannot be washed by rainwater for a long time, causing salt to accumulate. In addition, excessive use of fertilizers causes soil salinization, which seriously affects the growth and development of vegetables. With the increase of mulching years and the increase of the number of times of use, the degree of secondary salinization of the soil intensified, and the yield and quality of vegetables decreased year by year. [0003] The cultivated area of ​​cucumber is larger in the protected area. Under facility conditions, how to...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H1/04
Inventor 周俊国扈惠灵李新峥杨鹏鸣蔡祖国
Owner HENAN INST OF SCI & TECH
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