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Seed Propagation Method of Triploid Seedless Watermelon with Small Fruit Shape

A seedless watermelon and triploid technology is applied in the fields of botanical equipment and methods, plant genetic improvement, and application, and can solve the problems of high seed production cost, low seed collection, and low seedling rate.

Active Publication Date: 2021-04-20
JIANGSU XUHUAI DISTRICT HUAIYIN AGRI SCI RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition to the problems of low seed collection, low germination rate, and low seedling rate of triploid seedless watermelon, the seed propagation of small-fruited triploid watermelon is also affected by the thin peel and large navel of the tetraploid female parent. and other factors, in the later stage of fruit ripening, there is still a relatively serious phenomenon of fruit cracking, so the seed yield generally does not exceed 1kg / mu, and the cost of seed production remains high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The applicant took Su Meng No. 1 as an example, and carried out three plots of propagation according to the seed propagation method of the present invention in the spring of 2017. The process is as follows:

[0021] 1. Parental seedling cultivation: the tetraploid female parent F101 has a thicker seed shell and needs to be germinated and sown. Soak F101 seeds in warm water at 30°C for 15 minutes, wring them dry with a wet towel, accelerate germination at 30-32°C, wash the seeds every day to prevent mildew, and sow after most of the seeds are white, and the radicle length should not exceed 0.5cm. The water content of the substrate for sowing is 40-60%, and the substrate can form a ball when held by hand, but it is better not to squeeze out water. The male parent G22 can be broadcast directly, and can also be germinated and sown. After the seeds are covered, the temperature of the seedbed is controlled at 25-40°C during the day and 15-30°C at night; after the seedlings s...

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Abstract

The invention discloses a small-fruit-shaped triploid seedless watermelon seed propagation method, using tetraploid female parent and diploid male parent for propagation, through water control, parental parent adopts four-vine pruning, leaves 2-3 melons, and watermelon rootstock Grafted seedlings, tetraploid mothers set fruit 35 days after harvesting and ripening and other cultivation methods, the seed yield can be greatly increased to more than 2kg per mu, and the highest yield in spring planting can reach 3‑4kg / mu, which effectively reduces the cost of seeds and reduces the impact of melon farmers on small Cost of fruit-shaped triploid seedless watermelon cultivation.

Description

technical field [0001] The invention relates to the technical field of melon and fruit planting, in particular to a method for propagating small fruit-shaped triploid seedless watermelon seeds. Background technique [0002] Mitong and Motong are high-quality small fruit-shaped triploid seedless watermelon varieties introduced from abroad in recent years. The weight of a single melon is generally 1.5-2kg. , favored by consumers and fruit merchants. In recent years, some domestic scientific research institutes have successively carried out the breeding of new varieties of triploid small fruit-shaped seedless watermelons, and bred varieties such as Xiaoyuhong, Jingling, and Sumeng 1. [0003] At present, the researches on small fruit shaped triploid seedless watermelon mainly focus on fruit quality, seed germination and cultivation techniques, etc. There are few researches on improving the quantity of triploid watermelon seed propagation and seed quality. In addition to the p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/08A01H1/02
CPCA01H1/02A01H1/08
Inventor 徐兵划孙玉东张朝阳顾妍赵建锋罗德旭
Owner JIANGSU XUHUAI DISTRICT HUAIYIN AGRI SCI RES INST