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Method for improving seed shattering of lolium multiflorum seeds

A multi-flowered ryegrass, shattering technology, applied in horticultural methods, botanical equipment and methods, lawn growth and other directions, can solve the problem of seed shattering that has not been reported in relevant reports, and achieves inhibition of the formation of abscission, The effect of reducing the shattering rate and increasing the 1000-grain weight

Active Publication Date: 2022-05-31
JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are no relevant reports on the effects of spraying exogenous substances on the formation of abscission layer and seed shattering of grasses, especially ryegrass multiflora.

Method used

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  • Method for improving seed shattering of lolium multiflorum seeds
  • Method for improving seed shattering of lolium multiflorum seeds
  • Method for improving seed shattering of lolium multiflorum seeds

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] On the 7th day after the full flowering stage of ryegrass multiflora, the exogenous gibberellin was sprayed, and the treatment concentration was 30g / hm 2 .

Embodiment 2

[0025] On the 7th day after the full flowering stage of ryegrass multiflora, the exogenous gibberellin was sprayed, and the treatment concentration was 50g / hm 2 .

Embodiment 3

[0027] On the 7th day after the full flowering stage of ryegrass multiflora, the exogenous gibberellin was sprayed, and the treatment concentration was 70g / hm 2 .

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Abstract

The invention provides a method for improving seed shattering of lolium multiflorum seeds, and relates to the technical field of crop breeding. According to the method, in the later growth period of the Italian ryegrass, by spraying the exogenous substance gibberellin and / or glyphosate, the seed shattering rate and the empty shrunken rate of the Italian ryegrass seeds can be remarkably reduced, the thousand seed weight is increased, and the seed quality is improved.

Description

technical field [0001] The invention relates to the technical field of crop breeding, in particular to a method for improving the shattering performance of Lolium multiflora seeds. Background technique [0002] Grass seed shattering refers to that after the seed matures, affected by the changes in the peripheral organs of the seed, the joint between the base of the spikelet and the parent inflorescence breaks, and the seed is loosely wrapped in the glume, and gradually decreases with the water content. When it is opened, the seeds scatter to the ground. Grain shattering widely exists in the plant kingdom, and it is an adaptive mechanism formed during the long-term competition and evolution of plants. However, shattering will cause losses to agricultural and animal husbandry seed production. A large number of seeds fall off naturally before harvesting, which increases the cost of seed production and seriously affects the quality and yield of seeds. Due to the short cultivat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G20/00A01G7/06
CPCA01G20/00A01G7/06
Inventor 董臣飞刘南清刘宇纪树仁周兴元丁久玲郑凯陈巍杨宝玲
Owner JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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