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Quick efficient breeding method of detoxicated small seed potato

A potato, high-efficiency technology, applied in the field of crop breeding, can solve the problems of high cost of equipment and materials, short generations of open-field breeding, and poor yield increase effect, and achieve the effect of low cost, short open-field breeding generations, and easy operation

Active Publication Date: 2009-02-04
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to aim at the existing virus-free potato in the seed potato breeding process, the ubiquitous breeding generation is many, the effect of increasing yield is poor, the reproduction coefficient is low, the cost of using seeds is high and the cost of equipment and materials existing in the aeroponic method is high, The management technology is strong, and it is only suitable for the production of the original seed (miniature potato) and other defects. A simple material, simple management, and low cost is proposed, which is not only suitable for the production of the original seed (miniature potato), but also suitable for the production of the original seed. Potatoes, a method for rapid and efficient breeding of virus-free potatoes with short generations in the open field

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0028] Embodiment 1: (a kind of rapid and efficient breeding method 1 of detoxification potato small seed potato)

[0029] The method proceeds as follows:

[0030] (1) Facility preparation, including:

[0031] 1) Use ordinary standard greenhouses, and after covering the greenhouse film, install 60-mesh insect-proof nets at the door and vents;

[0032] 2) Soil 3 in the greenhouse is 90 cm in furrow surface, 30 cm in ditch width, and 20 cm in height as a furrow, and 15 kilograms of potassium chloride per mu, 20 kilograms of superphosphate, and 10 kilograms of urea are used as base fertilizer in a one-time application in the furrow;

[0033] 3) Lay a 60-mesh insect-proof net with a width of 100cm after the furrow surface is leveled. 5. Spread it flat;

[0034] 4) Kill insects and bacteria by conventional methods in the greenhouse, and put them aside;

[0035] (2) Substrate preparation: On November 10, 2007, sawdust, peat, sheep manure and compound fertilizer were mixed in a ra...

Embodiment 2

[0042] Embodiment 2: (a kind of quick and efficient breeding method 2 of detoxification potato small seed potato)

[0043]In this example, except that the insect-proof net 5 adopts 40 orders, all the other methods and steps are the same as in Embodiment 1.

experiment example

[0044] Experimental example: (comparison of the branching of stolons under different cultivation conditions of the same variety of potatoes)

[0045] This experimental example was carried out on February 20th-June 3rd, 2008 in Hangzhou, Zhejiang; Test with the inventive method and conventional soil cultivation two kinds of modes, after sowing 45 days, to the growth of potato stolon, branch situation, carry out respectively statistics, observations.

[0046] Because the potato is an underground tuber crop, the tuber grows on the top of the underground stolon, and generally each top can develop into a potato. The invention utilizes the principle that the stolons of potatoes are thicker than the roots. After laying 40-60 mesh insect-proof nets on the furrow surface, the roots of the potatoes can pass through the insect-proof nets, penetrate into the soil to absorb water and nutrients, and support the plants, while the stolons It cannot pass through the insect-proof net, but can ...

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Abstract

The invention relates to a quick and efficient breeding method of a virus-free small potato seed, which belongs to the technical field of seed-breeding of crops. The breeding method comprises the following steps: (1) preparation of facilities; (2) preparation of matrix; (3) preparation of potato seeds: 5-20g of original minituber seeds of the virus-free potatoes are germinated to obtain buds, then the buds are refined one month before sowing; (4) sowing of the potato seeds; (5) seedling growing of the potato seeds; (6) collection of the original small potato seeds: the seeds can be collected for 4-5 times in the whole growing period, over 10g of an individual plant of the minitubers can produce over 59 potato seeds and produce 413,000 small potato seeds per mu, and the propagation coefficient is 1:91.7, which reaches or approximates the propagation coefficient of the conventional seed crops. The breeding method is suitable for breeding original small potato seeds from the original virus-free small potato seeds (minitubers), simplifies the fine virus-free potato seed breeding system, promotes the popularization and application of the virus-free potatoes, and can be popularized and applied to potato production.

Description

technical field [0001] The invention relates to the technical field of crop breeding, in particular to a rapid and high-efficiency breeding method for producing small original seed potatoes from original original seed miniature tubers of virus-free potatoes. Background technique [0002] Potato detoxification technology and the production technology of detoxification test-tube seedlings, test-tube miniature tubers, and miniature tubers have become increasingly mature, and have formed a certain industrial scale at home and abroad. At present, domestic detoxification original species (miniature tubers) The factory production has reached the degree of large-scale commercialization, the production cost can be controlled at 0.1 yuan / grain (8-10g), and the sales price is 0.3-0.5 yuan / grain. Due to the small reproductive coefficient of potatoes, in the existing breeding system of virus-free potato varieties, the original seed (miniature potato) in the second-season cropping area ge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G9/14A01G13/10A01G9/10C05G1/00A01D91/00
CPCY02A40/25
Inventor 吴列洪沈升法李兵季志仙
Owner ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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