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Rape seed husk color regulation and control method

A technology of rapeseed and seed coat, applied in horticultural methods, botanical equipment and methods, horticulture, etc., to achieve the effects of less reagent amount, increased yellow seed rate, and simple operation

Inactive Publication Date: 2012-01-18
HUNAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many previous studies reported the change period of seed coat color and the spatial difference of seed coat color, but did not explore the internal reasons for the difference in seed coat color; some studies reported the difference in seed coat pigment substances during seed development, which is considered to be The change of the color of the seed coat caused by the content of polyphenols. Some studies believe that lignin is one of the substances that cause the difference in the color of the seed coat. Our research believes that the anthocyanidin, proanthocyanidin and melanin in the seed coat are responsible for the color difference of the rapeseed coat. The main reason

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Take 0.5 mu of Brassica oleracea field, on cloudy days 8 days before harvest, use Tween 40 (Tween 40) containing 70mg / L abscisic acid (Abscisic Acid) and 0.7g / L after thorough mixing Liquid, sprayed rape siliques, post-harvest melanin and anthocyanin contents of seed coats decreased by 35% and 52%, respectively.

[0015]

Embodiment 2

[0017] Take 0.1 mu of mustard-type black-seed rapeseed field, spray rape pods with a liquid containing 60mg / L abscisic acid and 0.5g / L Tween 40 at dusk on a sunny day 10 days before harvesting, and harvest The content of melanin and anthocyanin in hind testa decreased by 43% and 52%, respectively.

[0018]

Embodiment 3

[0020] Get 2 mu of cabbage-type yellow-seed rape field, and spray rape pods with a well-mixed liquid containing 80mg / L abscisic acid and 0.8g / L Tween 40 at dusk on a sunny day 15 days before harvesting, After harvest, the melanin and anthocyanin contents in the seed coat decreased by 32% and 37%, respectively, and the yellow seed rate increased by 31%.

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PUM

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Abstract

The invention relates to a rape seed husk color regulation and control method, which comprises the step of spraying fully and evenly mixed solution to rape siliques at dusk on a cloudy day or a sunny day prior to 8 days to 15 days before rape harvesting, wherein the solution contains 60-80mg / L abscisic acid and 0.5-0.8g / L Tween 40. By adopting the method, the synthesized seed husk pigment can be reduced, the content of the seed husk pigment is reduced, the seed husk transparency is increased, the formation of yellow rape seeds is facilitated and the quality of rape is improved.

Description

technical field [0001] The invention relates to the field of agricultural applied biotechnology, in particular to a method for regulating the color of rape seed coats. Background technique [0002] Studies have shown that under the same genetic background, rape with yellow seed coats (Rapeseed oleifera) has the advantages of thinner seed coats, higher oil content, and less pigment in oil than transparent rapeseed with black seed coats. Therefore, obtaining rapeseed with less seed coat pigment and high yellow seed degree in rapeseed breeding and cultivation has always been the most concerned issue for rapeseed breeders. [0003] The embryos of both yellow rapeseed and black rapeseed seeds are yellow, and the degree of yellowness of rapeseed depends on the color of the seed coat. Many previous studies reported the change period of seed coat color and the spatial difference of seed coat color, but did not explore the internal reasons for the difference in seed coat color; som...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/06
Inventor 严明理刘丽莉向建华屠波
Owner HUNAN UNIV OF SCI & TECH
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