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A kind of breeding method of small-seed type pumpkin rootstock variety

A variety and rootstock technology, which is applied to the field of breeding of small-seeded pumpkin rootstock varieties, can solve the problems of increasing the difficulty of breeding small-grain varieties, unclear genetic laws of pumpkin seeds, etc.

Active Publication Date: 2021-07-02
NINGBO ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the genetic law of pumpkin seed size is still unclear, which increases the difficulty of breeding small seed varieties

Method used

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  • A kind of breeding method of small-seed type pumpkin rootstock variety
  • A kind of breeding method of small-seed type pumpkin rootstock variety
  • A kind of breeding method of small-seed type pumpkin rootstock variety

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The breeding method of embodiment 1 small-seed type pumpkin rootstock variety

[0042] One, the breeding method of the small-seed type pumpkin stock variety of the present invention, comprises the following steps:

[0043] (1) Acquisition of genetic laws

[0044] Through the investigation of pumpkin germplasm resources, combined with the breeding objectives, two materials NMO83 and XBZM with significant differences in grain size were selected, and their thousand-grain weights were 110g and 160g respectively; the two were crossed as parents to obtain hybrids F1 and RF1, Then F1 was self-crossed to obtain the F2 generation, and F1 was backcrossed with NM083 to obtain the BC1 generation; NMO83, XBZM, F1, RF1, F2 and BC1 were planted at the same time in the next season; the thousand-grain weight of the seeds was inspected after the fruit matured, and the results of F1 and RF1 The thousand-grain weights of pumpkin were 178g and 214g, which were relatively close to the large...

Embodiment 2

[0113] Comparison test of the small-seed pumpkin rootstock variety 'Si Zhuang No. 10' that was obtained through breeding in Example 2

[0114] The following is the summary of the comparative test results of the 'Sizhuang 10' variety from 2016 to 2017

[0115] 1 Test overview

[0116] In order to investigate and identify the adaptability, disease resistance, grafting performance, watermelon quality and yield of the newly selected small-seeded pumpkin rootstock variety 'Sizhuang 10', the rootstock 'All-round Tiejia' (CK1) and The self-rooted seedlings of 'Zaojia' (CK2) were used as the control. From 2016 to 2017, multi-year multi-point experiments were carried out. The test sites are Ningbo High-tech Agricultural Technology Experimental Park (Ningbo), Pinghu Lvye Fruit and Vegetable Professional Cooperative (Pinghu) and Deqingtian Agricultural Technology Co., Ltd. (Deqing).

[0117] 2 Results and Analysis

[0118] 1) Phenological period

[0119] Table 1 Overview of phenolog...

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Abstract

The invention discloses a method for breeding small-seeded pumpkin rootstock varieties, and belongs to the field of melon rootstock breeding. The specific steps of the breeding method are as follows: study the genetic law of pumpkin seed size and the number of seeds of a single melon according to the isolated population, and select parents and matching combinations according to the genetic law. The male parent is a stable inbred line selected from the rootstock variety "Huofenghuang" introduced from Shandong after 7 generations of self-crossing. This is a stable inbred line selected from the fertile plants of Shanxi melon grafted rootstock variety "Snow White" after 6 generations of selfing. It is characterized by round fruit, well-developed taproot, orange peel, early maturity, high temperature resistance and low temperature resistance. Strong; obtained from the above male and female parent crosses. The obtained varieties have small cotyledons, are suitable for seedling cultivation in 50-hole plug trays, are highly resistant to watermelon wilt, have neat germination, are not easy to grow excessively, have a long grafting period, are convenient for grafting, and have a high grafting survival rate.

Description

technical field [0001] The invention belongs to the technical field of melon rootstock breeding, in particular to a method for breeding small-seeded pumpkin rootstock varieties. Background technique [0002] The grafting and cultivation of melons has a history of at least 3,000 years in my country. In 100 BC, the "Book of Fansheng" written by Chinese agronomist Fan Shengzhi recorded the production of large gourds by grafting. In 1925, Japan started the research on melon grafting and disease prevention. By the 1990s, the grafted cultivation area of ​​Japanese melons and vegetables had reached 60% of the total area, and more than 90% of the protected cultivation area. The research and application of melon grafting cultivation in my country began in the 1970s, but the development was slow. Since the 1980s, due to the continuous expansion of the watermelon cultivation area, the shortening of the crop rotation cycle, and the increasing severity of Fusarium wilt, it has become a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02A01H1/04
CPCA01H1/02A01H1/04
Inventor 王毓洪邢乃林王迎儿应泉盛严蕾艳张华峰黄芸萍张蕾琛古斌权
Owner NINGBO ACAD OF AGRI SCI
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