Small fruit type watermelon crossbreeding method

A technology of hybrid breeding and small fruit type, which is applied in fertilization methods, soil preparation methods, gardening methods, etc., can solve the problems of low yield of small watermelon breeding and cumbersome identification of hybrid seeds, so as to facilitate intercropping, save identification time, and improve The effect of seed production

Inactive Publication Date: 2018-10-26
济南鲁青种苗有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems of low yield of small watermelon breeding in the market and cumbersome identification of hybrid seeds, the present invention provides a high-yield small fruit type watermelon hybrid breeding method that can identify the purity of seeds at the seedling stage

Method used

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  • Small fruit type watermelon crossbreeding method
  • Small fruit type watermelon crossbreeding method
  • Small fruit type watermelon crossbreeding method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Embodiment 1 Small fruit type watermelon cross breeding

[0037] Female parent: Duanman No. 7, the preservation number is CGMCC No. 15600, and the field growth status is as follows: figure 1 Shown: the internodes are short, and the length of the whole plant is about 1.5-1.8m.

[0038] Male parent: the female parent of Hong Xiaoyu, the growth condition in the field is as follows figure 1 Shown: the internodes are short, and the length of the whole plant is about 2-4m.

[0039] Hybrid seeds are produced using the following methods:

[0040] (1) Seed soaking and accelerating germination: soak the melon seeds of the female parent and the male parent in warm water at 60°C and stir, stop stirring when the water temperature drops to 30°C, then soak for 8 hours, then remove the seeds to absorb the surface water, 32-34 ℃ heat preservation to accelerate germination, when the germination rate is above 60%, the male parent and the female parent are sown separately;

[0041] (...

Embodiment 2

[0053] Embodiment 2 Seed purity identification

[0054] The watermelon seeds obtained in Example 1 and the watermelon seeds obtained in Comparative Example 1 were randomly selected 200 grains per sample for purity identification.

[0055] 1. The steps of the seed purity identification that obtains in comparative example 1 are as follows:

[0056] (1) Seed soaking and accelerating germination: Soak the melon seeds in warm water at 55-60°C and stir, then stop stirring after dropping to 30°C and soak for 8 hours, then remove the seeds to absorb the surface water, keep warm at 32-34°C for accelerating germination, and the germination rate Sowing more than 60%;

[0057] (2) Sowing and seedling stage management: Fill seedling trays with seedling matrix, 1 germinated seed per hole, sow at a depth of 1 cm, cover with plastic film after sowing, and remove the plastic film after the emergence rate reaches 70%; before emergence, the daytime temperature is 25-30°C, the night temperature...

Embodiment 3

[0065] Example 3 Watermelon production traits

[0066] The watermelon seed L34 obtained in Example 1 and the watermelon seed obtained in Comparative Example 1 were planted in the field, and the number of days of fruit development, fruit setting, growth potential, disease resistance, yield per mu, and fruit quality were compared. The results are shown in the table 1 and Table 2. It can be seen from the data in the table that, compared with the existing variety Hong Xiaoyu in Comparative Example 1, the watermelon varieties in Example 1 have improved in disease resistance, yield, and sugar content to varying degrees. The growth status of L34 in the field is as follows: figure 2 As shown, the appearance of L34 fruit and Hong Xiaoyu fruit is as follows image 3 As shown, the profile of L34 fruit is as follows Figure 4 shown.

[0067] Table 1 Summary of growth period, disease resistance and yield traits

[0068]

[0069] Table 2 Summary of fruit characters

[0070]

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Abstract

The invention provides a small fruit type watermelon crossbreeding method in which short vine No. 7 serves as a female parent and a lone vine small fruit type watermelon serves as a male parent to obtain small fruit type hybrid watermelon seeds with excellent quality. The problem that markets at present are lack of small fruit type hybrid watermelon seeds is solved. By the small fruit type short vine female parent, only seeds which are hybridized have the short-vine shape of the female parent, the hybridization condition can be identified by property of the length of the vines in a seedling stage, the purity of commercial seeds is determined, the circumstance that identification is carried out after a result is obtained is avoided, and the identification and seed production time is shortened. Because the female parent is a short vine watermelon, planting line spaces can be shortened correspondingly, 1 / 3-1 / 3 plants can be colonized more as compared with other varieties, the corresponding seed production yield can be greatly increased, and the seed production cost is reduced.

Description

technical field [0001] The invention relates to the technical field of agricultural hybrid breeding, in particular to a method for hybrid breeding of small fruit type seeded watermelon. Background technique [0002] At present, there are the following problems in the development of small watermelons. First, the small watermelon seeds suitable for facility cultivation mainly rely on imports, and the cost of seeds is high, which increases the production cost of melon farmers. Second, there are few small watermelon varieties suitable for facility cultivation. The planting period in the above is long, and the species degradation is serious; the third is that the appearance, sugar content, and flavor of the product are difficult to meet the needs of the consumer market; Screening, changing breeding methods, and breeding high-quality, early-maturing, high-yield, and adaptable new small-scale watermelon varieties suitable for cultivation in solar greenhouses and greenhouses, so as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01C21/00A01G7/06A01B79/02
CPCA01B79/02A01C21/00A01G7/06A01H1/02
Inventor 孙立华冯锡鸿周晓娟马长河吴金娟
Owner 济南鲁青种苗有限公司
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