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Breeding method and application method of citrullus lanatus special pollinating variety

A technology for pollinating cultivars and watermelon cultivars is applied in the breeding and application fields of special pollinating cultivars of triploid watermelons, and achieves the effects of easy popularization, easy operation and simple technology

Inactive Publication Date: 2017-02-15
河南省农业科学院园艺研究所 +1
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Problems solved by technology

As a special pollination variety of triploid watermelon and its use method, it has not been reported in the domestic literature.

Method used

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  • Breeding method and application method of citrullus lanatus special pollinating variety
  • Breeding method and application method of citrullus lanatus special pollinating variety
  • Breeding method and application method of citrullus lanatus special pollinating variety

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Embodiment Construction

[0024] Such as figure 1 Shown, the seed XWP-20 of the special pollination variety XWP-20 of triploid watermelon in the embodiment of the present invention is obtained by the following method:

[0025] 1) The multi-stamen small watermelon inbred line (PT-168) bred by crossing the small-fruited watermelon variety (Chunfeng) and the small-fruited inbred line (DW-4) through multiple generations of backcrossing was used as the female parent;

[0026] 2) The male parent is the inbred line (PC-148) bred from the small fruit material (WH-3704) through multiple generations of selfing;

[0027] 3) Using PT-168 as the female parent and PC-148 as the male parent to prepare a hybrid combination to obtain F1 generation seeds to obtain triploid watermelon special pollination varieties.

[0028] In one embodiment of the present invention, in the method for producing triploid watermelon special-purpose pollination varieties, the number of multi-generational backcrossing generations described ...

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Abstract

The invention provides a breeding method and an application method of a citrullus lanatus special pollinating variety. According to the breeding method, the female parent is obtained via hybridization of mini-watermelon variety (Chunfeng) with mini-fruit selfing line (DW-4); the male parent is obtained via multi-generation inbreeding of mini-fruit material (WH-3704); a hybridized combination is prepared so as to obtain the F1 generation which is the citrullus lanatus special pollinating variety. Reasonable plantation of the citrullus lanatus special pollinating variety with citrullus lanatus is carried out, growth of citrullus lanatus is not influenced, and sufficient pollen is provided for pollination, field natural pollination is realized, the shape of fruits obtained via pollination is regular, few malformed fruit is generated, production cost of citrullus lanatus is reduced, simplified production is realized, and requirements of citrullus lanatus simplified plantation are satisfied.

Description

technical field [0001] The invention belongs to the field of biotechnology, and in particular relates to a breeding and application method of a triploid watermelon special-purpose pollination variety. Background technique [0002] my country is one of the important countries producing triploid watermelon (Citrullus lanatus) in the world. According to statistics, in 2014, the planting area of ​​triploid watermelon in China was 3.5 million mu, covering more than 20 provinces and cities across the country. One of the main economic crops for increasing income. But the triploid watermelon itself is sterile and needs artificial pollination or pollination with fruit-setting spirit. Its main disadvantages are: (1) labor-intensive and time-consuming, high cost of watermelon production; (2) higher proportion of deformed fruit; (3) not suitable for modern agricultural simplified production, seriously restricting triploid watermelon industry in my country development of. [0003] The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01H1/04
CPCA01H1/02A01H1/04
Inventor 赵卫星李晓慧常高正徐小利梁慎康利允高宁宁
Owner 河南省农业科学院园艺研究所
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