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A Method for Solving the Sterility of Potato Varieties as Hybrid Female Parents

A technology of potatoes and varieties, applied in botany equipment and methods, horticulture, applications, etc., can solve the problems of potato varieties such as sterility, and achieve the effect of solving the problem of not being able to fruit normally

Inactive Publication Date: 2017-05-03
HEBEI NORTH UNIV
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Problems solved by technology

[0005] The purpose of the present invention is to provide a method for solving the infertility of potato varieties as hybrid female parents, which can overcome the defects of the prior art and solve the long-standing problem of potato varieties as hybrid female sterility

Method used

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  • A Method for Solving the Sterility of Potato Varieties as Hybrid Female Parents
  • A Method for Solving the Sterility of Potato Varieties as Hybrid Female Parents
  • A Method for Solving the Sterility of Potato Varieties as Hybrid Female Parents

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Embodiment Construction

[0038] The raw materials and auxiliary materials used in the present invention are all publicly available materials in the market.

[0039] a. Cultivation and selection of rootstocks

[0040] Generally, the seedlings are raised in the greenhouse. The physalis seeds are soaked in warm water at 45°C, or soaked in 0.01% potassium permanganate solution for 10 minutes to prevent the seeds from carrying viruses and other germs; then soaked in water for 12 hours, taken out, and spread evenly on a wet towel On the top, roll the towel into a roll shape and put it into a 30 ℃ artificial climate box for germination; after 40%-50% of the seeds are white, they can be sown;

[0041] The treated seeds are sown in seedling trays with peat soil as substrate, and covered with soil 3mm-5mm. Cover with a layer of 75% shading net, spray water with a sprayer every day to keep the substrate humidity, keep it at 20℃-25℃ during the day and 10℃-15℃ at night;

[0042] After emergence, thin the seedlin...

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Abstract

The invention belongs to the technical field of potato breeding, in particular to a method for solving the infertility of potato varieties used as hybrid female parents. In the invention, the selection and cultivation of rootstock, the cultivation of scion, grafting, management after grafting, hybridization and pollination, and harvesting of seed are several steps. In the present invention, potatoes are used as scions and rootstocks of Physalis are grafted as a whole, and by cutting off the nutrient consumption required for the growth of underground tubers of potatoes, the huge root system of Physalis provides more sufficient nutrients for the aboveground parts, so that the reproductive organs of potatoes can be obtained. Sufficient nutrient supply can promote the normal growth and development of reproductive organs and achieve the purpose of normal fruiting after pollination, and solve the long-standing problem of infertility of potato varieties as hybrid female parents.

Description

technical field [0001] The invention relates to the technical field of potato breeding, in particular to a method for solving the sterility of a potato variety as a hybrid female parent. Background technique [0002] Potatoes are native to the Andes Mountains of South America. There are limited potato germplasm resources in my country, but some of them still cannot bloom and bear fruit normally: For example, Kexin No. 1, the potato variety with the largest planting area in the country, has concentrated tubers and a high rate of large potatoes. , high yield and stable yield, but the pollen is sterile, the pistil is aborted, cannot be naturally fruited, and as a hybrid parent, that is, after stigma pollination, it cannot grow and develop normally to produce seeds. Therefore, the above-mentioned excellent potato resources cannot be used as hybrid parents, which limits the genetic basis of potato hybrid breeding. [0003] Potatoes bud from budding to flowering, which is the peak...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/06A01H1/02
Inventor 祁利潘尹江龚学臣贾志国王磊王燕刘畅冯琰尹海峰
Owner HEBEI NORTH UNIV
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