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Method for reducing germination rate of common head cabbage seed pods

A technology of head cabbage and germination rate, which is applied in the field of plant cultivation, and can solve the problems of reduced seed yield, laborious labor, and influence on the production and promotion of hybrid seeds.

Inactive Publication Date: 2014-09-03
ZHENJIANG SUIHAN AGRI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The former requires artificial pollination at the bud stage, which is labor-intensive. The latter self-pollinates at the flowering stage, saving labor and effort. In production, a large number of sterile lines, maintainer lines and male line seeds need to be produced.
Heading cabbage can be divided into spherical, oblate, and heart-shaped due to its different ball shapes. Some varieties are very easy to germinate in the seed pods due to their own characteristics (the germination rate is more than 30%). Leading to a sharp drop in seed yield, affecting the normal production and popularization of hybrid seeds

Method used

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  • Method for reducing germination rate of common head cabbage seed pods
  • Method for reducing germination rate of common head cabbage seed pods

Examples

Experimental program
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Effect test

Embodiment 1

[0015] In this embodiment, the germination rate of cabbage seed pods is reduced according to the following steps.

[0016] Step 1: Sow several cabbage seeds whose seed pod germination rate is above 15% 35 days after flowering fades, sow seedlings in early August; fertilize the field in the greenhouse to make a border, and cover with black plastic film.

[0017] The specific operation is to plow and dry the land on July 20, 2010, and re-plow the broken soil. Equivalent to 667m 2 Apply 3000kg of decomposed chicken manure and 100kg of ternary compound fertilizer (N:P:K15:15:15) as base fertilizer. After plowing and raking, make a furrow with a width of 1.2m, a furrow depth of 25cm, and a furrow width of 40cm. Then cover with black mulch. On August 4th, a 72-hole hole tray was used, and the special nutritious soil for Dutch pin's vegetables was packed into a tray. Gan 0215, the pod germination rate is about 30% 35 days after the flowers fade), sow 1 seed per hole, sow 8 trays ...

Embodiment 2

[0034] The starting time of this example is July 2011, and the head cabbage and its control are numbered Gan 0416 and Gan 0416 (CK), respectively. The specific steps and operations are basically the same as those in the above examples, and will not be repeated here. See the table below for comparison results

[0035] Seed quality of Gan 0416 and control under the adjustment of temperature and hormone (ABA)

[0036]

[0037] This proves that after adopting the present invention, due to the adoption of rain-shelter cultivation, hormone treatment and temperature regulation, the phenomenon of easy germination of cabbage seeds when physiologically mature can be effectively suppressed, thereby greatly improving seed thousand-grain weight, grain plumpness, and grain gloss etc., ensuring the high quality of cabbage seeds.

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Abstract

The invention relates to a method for reducing germination rate of common head cabbage seed pods, and belongs to the technical field of plant cultivation. The method comprises the following steps of: sowing common head cabbage seeds for raise seedling in early August; field-planting the common head cabbage seedlings in a greenhouse in middle-late September, and overwintering for vernalization; in middle February of the next year, cutting balls on the tops of balled common head cabbage stock trees until the leaves are loosened, and removing old leaves in time; after the bolts of the stock trees are grown out, inserting auxiliary supports for binding support; spraying boron fertilizer on the leaf surfaces of the plant during bolt growing period, and spraying monopotassium phosphate on the leaf surfaces during blooming period so as to ensure fertilization during the blooming period; maintaining the ground surface moist after flowers are faded, and spraying abscisic acid to the balled common head cabbage seed pods, and simultaneously controlling the temperature between 15 DEG C and 18 DEG C; and when the pods become yellow and the seeds become brown, harvesting, sunning and threshing in time. According to the method, germination of seeds during physiological maturity period is effectively inhibited, and the 1000 kernel weight of seeds is increased, so that the plumpness and glossiness of seeds are obviously improved, and good conditions are created for ensuring seed quality and promoting generalization of new species.

Description

technical field [0001] The invention relates to a method for breeding cabbage, in particular to a method for reducing the germination rate of cabbage seed pods, and belongs to the technical field of plant cultivation. Background technique [0002] Cabbage (Brassica oleacea L.var.cap itata L.) is a variety of Brassica genus Brassica, also known as cabbage, cabbage, cabbage, cabbage, cabbage, lotus white, etc., with cold resistance, disease resistance, adaptability Strong, easy to store and transport, high yield, good quality and other characteristics, it is widely cultivated in various parts of my country, and the cultivated species are gradually replaced by cytoplasmic male sterile lines to prepare hybrid seeds. Therefore, when preparing hybrid seeds, only good parents need to be propagated, and the maintainer line and the male parent line can be self-incompatible or inbred lines. The former requires artificial pollination by stripping buds at the bud stage, which is laborio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00
Inventor 秦文斌戴忠良潘跃平吴国平毛忠良肖燕姚悦梅潘永飞张振超马志虎孙春青王建华王伟刘小凤
Owner ZHENJIANG SUIHAN AGRI