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Method for breeding anti-cracking cabbage

A technology of cabbage and cracking bulbs, which is applied in the field of crop genetics and breeding, and can solve problems such as difficulties in varieties resistant to cracking bulbs

Inactive Publication Date: 2009-07-08
NORTHWEST A & F UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So far, the anti-cracking bulb breeding of cabbage has rarely been carried out at home and abroad, and there has never been any report on the cracking-ball resistance breeding method and cracking-ball resistance grading standard of cabbage, which brings difficulties to the breeding of cracking-ball resistant varieties.

Method used

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  • Method for breeding anti-cracking cabbage
  • Method for breeding anti-cracking cabbage
  • Method for breeding anti-cracking cabbage

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Embodiment Construction

[0021] The applicant proposed the calculation method of the cabbage cracking head index through research, and established the classification standard of the cabbage anti-cracking head, and established the method system of the cabbage anti-cracking head breeding method on this basis.

[0022] The classification standard of cracking bulbs was established based on the degree of influence of cabbage cracking on the commodity value of leaf bulbs. The smaller the degree of influence, the lower the grade. The cabbage cracking index was determined by delaying harvest for 15 days, and whether it was resistant to cracking bulbs was judged.

[0023] Grading types and standards of cabbage crackers:

[0024] Grade 0: The surface of the bulb is bright, the bulb leaves are intact, and there is no cracked bulb;

[0025] Grade 1: crack depth 0.1-0.5cm, crack width 0.1-3.0cm, crack arc length 0.1-15.0cm;

[0026] Grade 3: crack depth 0.51-1.0cm, crack width 0.31-6.0cm, crack arc length 15.1-18...

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Abstract

The invention discloses a breeding method of a cracking-resistant common head cabbage. The cracking-resistant common head cabbage bred by the method is bred by hybridization of a high cracking-resistant common head cytoplasm male sterile line of a female germplasm material and a cracking-resistant common head inbred line of a male germplasm material; and field disease resistance identification proves that: the racking-resistant common head cabbage variety has high virus disease resistance, black rot resistance and downy mildew resistance which are better than those of a check variety named Zhenqi. 100g (fresh weight) of the cracking-resistant common head cabbage contains the following components by weight: 1.2g of crude protein, 0.66g of crude fiber, 3.7g of soluble sugar, 28.7mg of Vc and 6.1g of dry matter. The cracking-resistant common head cabbage has obvious yield increasing superiority and stable yield which average 64303.5kg / hm and increases by 9.8% compared with the check variety Zhenqi.

Description

technical field [0001] The invention belongs to the subject of crop genetics and breeding in agricultural science and technology, and in particular relates to a method for selecting and breeding anti-cracking Brussels sprouts. Background technique [0002] Cabbage (Brassica oleracea var. capitata L.) is one of the main cultivated vegetables in China and is widely planted in various parts of the country. In 2007, the sown area of ​​cabbage reached 936,000 hm 2 , occupies an important position in vegetable cultivation and annual supply. The cultivation of cabbage in China is mainly divided into three seasons: spring, summer and autumn, among which cabbage cultivated in spring occupies a large area. The maturity of spring cabbage cultivars is relatively consistent, and the cultivation area is relatively large in various places. This often leads to concentrated harvesting of leaf bulbs, and the unit price on the market is low. If harvesting is delayed, leaf bulbs will crack, a...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H1/04A01H5/00A01H5/12
Inventor 许忠民张恩慧程永安王杏利马青山
Owner NORTHWEST A & F UNIV
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