Method for rapidly propagating potato minitubers by using potato minituber budlets

A technology of miniature tubers and potatoes, which is applied in the fields of botany equipment and methods, application, seed and rhizome treatment, etc. It can solve the problems of long seedling cultivation and growth time, unstable survival rate, high cost, etc., and achieves convenience for storage and transportation, shortening the The effect of breeding cycle and reducing rooting time

Inactive Publication Date: 2019-09-13
XUZHOU INST OF AGRI SCI IN JIANGSU XUHUAI DISTRICT (JIANGSU XUZHOU SWEETPOTATO CENT)
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Problems solved by technology

[0005] The above-mentioned technical method is simple to implement and has a high reproduction coefficient, but it also has the following defects: due to the use of ordinary potato sprouts to cultivate test-tube seedlings, it needs to be detoxified, and the seedlings grow for a long time, and their survival rate is unstable and the cost is high.

Method used

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Embodiment Construction

[0026] The present invention will be further described below.

[0027] A method for rapidly propagating potato microtubers using young shoots of potato microtubers, the specific steps of the method are:

[0028] A. Potato micro tuber germination:

[0029] Put potato miniature tubers into GA with a concentration of 10-15mg / L 3 Soak in the solution (ie gibberellin solution) for 4 to 5 hours and take it out, then cover the potato microtubers with carbendazim-treated sawdust, and move them into a constant temperature light cultivation room at 25°C, water them every day, and wait for the potato microtubers to grow out. When the length of the young shoots reaches 4-6cm, the germination process is completed;

[0030] B. Rooting induced by sprouts:

[0031] The young shoots grown in step A are stripped from the base of the potato micro-buds, and treated with a solution of NAA hormone (ie naphthalene acetic acid) with a concentration of 10-20 mg / L for 15-25 seconds or with a concent...

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Abstract

The invention discloses a method for rapidly propagating potato minitubers by using potato minituber budlets. The method comprises specific steps as follows: germination acceleration of the potato minitubers: the potato minitubers are placed in a GA3 solution for soaking and then transferred into an illumination culture room at the constant temperature of 25 DEG C to send forth budlets; inductionrooting of budlets: the budlets are stripped from blastema of the potato minitubers and transferred into a nutrient solution until the budlets take root; substrate preparation: a substrate is preparedfrom vermiculite and perlite; transplantation of new seedlings: the new seedlings are cut in a seedbed, natural illumination is adopted, and water or a nutrient solution is sprayed according to nutrient conditions of plants after seedling recovery; the nutrient solution is sprayed according to the seedling condition 20 days after planting; the substrate is kept moist in the growing process of thenew seedlings; harvesting of minitubers: the minitubers can be harvested after the cutting seedlings grow for 35-40 days. The method has the advantages of short seedling culture time, high survival rate, high reproduction coefficient and low cost.

Description

technical field [0001] The invention relates to a method for breeding potato microtubers, in particular to a method for rapidly propagating potato microtubers by using young potato microtubers. Background technique [0002] China is the country with the largest potato (Solanum tuberosum L.) output in the world. According to the data of the Potato Professional Committee of China Food Industry Association, potato has become the fourth largest crop in my country after wheat, rice and corn. [0003] At present, the production of potato mini-tubers mainly adopts stem tip stripping, uses potato induction medium to breed virus-free seedlings, and then achieves the purpose of rapid breeding of potato mini-tubers through subculture. [0004] The method of repeatedly cultivating detoxification of potato shoot tips adopted in the industry at present has applied for a Chinese invention patent, and the patent publication number is CN107318656A. Germinate on soil in a light environment, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G31/00A01C1/00
CPCA01C1/00A01G31/00
Inventor 孙亚伟李卫华赵明明胡新燕冯营
Owner XUZHOU INST OF AGRI SCI IN JIANGSU XUHUAI DISTRICT (JIANGSU XUZHOU SWEETPOTATO CENT)
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