CN104106353A - Male and female parent planting method for increasing yield of hybrid soybean seeds - Google Patents

Male and female parent planting method for increasing yield of hybrid soybean seeds Download PDF

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Publication number
CN104106353A
CN104106353A CN201310148506.2A CN201310148506A CN104106353A CN 104106353 A CN104106353 A CN 104106353A CN 201310148506 A CN201310148506 A CN 201310148506A CN 104106353 A CN104106353 A CN 104106353A
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China
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parent
ridge
male
maternal
duplicate rows
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CN201310148506.2A
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Chinese (zh)
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CN104106353B (en
Inventor
张伟
张伟龙
张春宝
赵丽梅
李洪来
彭宝
张井勇
闫昊
邱强
赵婧
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吉林省农业科学院
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Abstract

The invention relates to a male and female parent planting method for increasing yield of hybrid soybean seeds. The male and female parent planting method is characterized by including steps that a double-row male and female parent planting mode on partition ridges as the male and female parent ratio of 1:2 is adopted, the male and female parents have agricultural characteristics with significant differences and planted in two rows on the ridges with the row distance of 15cm, the row distance between female parents is 60cm, on-ridge double-row male and female parent density is 60,000 to 120,000 pants/hectare, and single-row female parent density is 150,000 to 250,000 plants/hectare; a narrow-row close-planting mode can be also adopted; the row distance between the male parents and the female parents is 30-45cm, the row distance between the female parents is 45-60cm, and density of the male and female parents is 100,000 to 250,000 plants/hectare. By spatial arrangement optimization of the male and female parents, wild insect pollination can be more adapted, planting ratio of the male parents is decreased, and yield of hybrid soybean seeds can be remarkably increased.

Description

A kind of Parent implantation methods that improves hybrid soybean hybrid seed yield

Technical field

The present invention relates to a kind of Parent implantation methods that improves hybrid soybean hybrid seed yield, belong to soybean hybrid seeding field.

Background technology

Utilize soybean heterosis to increase substantially soybean yields and be considered to one of most promising approach, soybean heterosis can improve per unit area yield more than 20%.But successful Application hybrid soybean seeds on producing, must possess following four conditions: have reliable method to avoid maternal selfing; Hybrid has stronger advantage; There is suitable pollination medium; Seed price peasant and seeds company can accept.

Academy of agricultural sciences of Jilin Province was bred as first soya cells matter male sterile line and maintainer in the world in 1993, and it is supporting to have realized the cultivated soybean " three are " in nineteen ninety-five, makes soybean heterosis utilization become possibility.This invention has caused very big attention both domestic and external, thereby has started the upsurge of a research soya cells matter male sterile line and heterosis utilization.Since 2002, Jilin Province has authorized 6 hybrid soybean kinds, increases production more than 15% than district's examination check variety.In recent years, although seeding technique is perfect gradually, but hybrid seed yield was low, and breeding cost is high, was still the most important limiting factor of hybrid soybean industrialization.

Hybrid soybean is except being subject to insect pollinator Pollination Efficiency affects, and the planting patterns of Parent different proportion also has considerable influence to the hybrid seed yield of male sterile line.By evidence for many years, most male sterile lines configured and can obtain the highest hybrid seed yield taking parental as 1:2 present stage.But optimum distance research between Parent is not carried out, and because insect will be adopted powder with the most effective path between flower, therefore, is under 1:2 configuration condition in parental, and the shared land area of father and mother's space length and male parent will directly affect hybrid seed yield.So, set up and protect pollen, increase maternal and with the wild insect pollination habit Parent configuration structure that adapts, improve particularly important to hybrid soybean hybrid seed yield.

Summary of the invention

The object of this invention is to provide a kind of Parent implantation methods that improves hybrid soybean hybrid seed yield, it is under the open production of hybrid seeds condition in hybrid soybean land for growing field crops, dwindle cytoplasmic male sterile line and restorer or maintainer plant distance, make group structure more adapt to wild insect pollination habit, reduce male parent planting proportion simultaneously, supporting related technical measures, changes existing seeding technique deficiency, and a kind of implantation methods that significantly improves hybrid seed yield is provided.

Technical scheme of the present invention is achieved in that a kind of Parent implantation methods that improves hybrid soybean hybrid seed yield, it is characterized in that its implantation methods is as follows: in suitable hybrid soybean production of hybrid seeds region, adopt cytoplasmic male sterile line and restorer or maintainer, parental is 1:2, Parent configuration adopts Parent duplicate rows cropping pattern on ridge, ridge, this kind of pattern Parent needs the sowing same period, for preventing mixing, Parent is wanted there were significant differences agronomy feature, leaf, pattern, it is significantly different that hair colors etc. can be observed proterties, Parent is configured to: it is duplicate rows Parent ridge that male parent and maternal duplicate rows are positioned on same ridge, the male parent on duplicate rows Parent ridge and maternal line space are 15cm, it between every duplicate rows Parent ridge, is the maternal ridge of single file, the male parent on duplicate rows Parent ridge, line space maternal and the maternal ridge of single file is 60cm, its Parent density of duplicate rows Parent ridge is 6-13 ten thousand strain/hectares, the maternal density of single file is 15-25 ten thousand strain/hectares, cut off at the whole florescence of male parent, other manage same normal mode.

Described Parent configuration also can adopt Parent compact planting in narrow row pattern, be specially: male parent and female parent are planted respectively and independently on ridge, be divided into male parent ridge and maternal ridge, male parent ridge and maternal ridge line-spacing are 30cm-45cm, between maternal ridge and adjacent maternal ridge, line-spacing is 45cm-60cm, Parent density is 10-25 ten thousand strain/hectares, cut off at the whole florescence of male parent, other manage same normal mode.

Good effect of the present invention is that it can dwindle cytoplasmic male sterile line and restorer or maintainer plant distance, make group structure more adapt to wild insect pollination habit, reduce male parent planting proportion simultaneously, supporting related technical measures, change existing seeding technique deficiency, the comparable original production of hybrid seeds pattern of producing method for seed improves hybrid seed yield more than 50%.

Brief description of the drawings

Fig. 1 is Parent duplicate rows cropping pattern allocation plan of the present invention.

Fig. 2 is Parent compact planting in narrow row pattern configurations figure of the present invention.

Embodiment

Below in conjunction with embodiment, the invention will be further described, it should be noted that the following examples are only as illustrating, and content of the present invention is not limited to this:

2010-2011, at Jilin Province's Taonan City, adopts the medium parent of outcrossing rate, carries out the crossbreed advantage combination production of hybrid seeds.Parent compact planting in narrow row cropping pattern, test material is sterile is nine 9130-1-6-6A, recovery is 99699, parental 1:2, experimental design is as table 1.Father and mother's duplicate rows production of hybrid seeds implant model on ridge, ridge, test material is sterile is nine to select 3A, recovery is 996999, parental 1:2, experimental design is as table 2.Respectively test all taking normal mode as contrast, because the Parent florescence is identical, two kinds of patterns are all sowed in May 15, and the whole florescence is cut off male parent.Other manage same normal mode.

Result shows, Parent compact planting in narrow row pattern production of hybrid seeds pattern, and processing 2, processing 3 all extremely significantly increase hybrid seed yield, wherein process 3, output improves 231.2%(table 3).This cropping pattern of father and mother's duplicate rows on ridge, ridge, processing 2, processing 3 and processing 4 also extremely significantly increase hybrid seed yield, processing 4 hybrid seed yields increases 152.2%(tables 4).Above space configuration change, effectively reduces male parent ratio, is more suitable for insect pollination, has significantly improved the output of the hybrid soybean production of hybrid seeds.

Embodiment 1

Compact planting in narrow row pattern, Parent is configured to, and male parent ridge and maternal ridge line-spacing are 45 cm, and maternal ridge and adjacent maternal ridge line-spacing are 45cm, and Parent density is 150,000 strain/hectares.

Embodiment 2

Compact planting in narrow row pattern, Parent is configured to, and male parent ridge and maternal ridge line-spacing are 30cm, and maternal ridge and adjacent maternal ridge line-spacing are 60cm, and Parent density is 200,000 strain/hectares.

Embodiment 3

This cropping pattern of father and mother's duplicate rows on ridge, ridge, on duplicate rows Parent ridge, line-spacing is 15cm, and duplicate rows Parent ridge female parent is 60cm with the maternal ridge of single file line-spacing, and on ridge, duplicate rows Parent density is 60,000 strain/hectares, and the maternal density of single file is 150,000 strain/hectares.

Embodiment 4

This cropping pattern of father and mother's duplicate rows on ridge, ridge, on duplicate rows Parent ridge, line-spacing is 15cm, the each 120,000 strain/hectares of male parent density, the each 60,000 strain/hectares of maternal density, duplicate rows Parent ridge female parent is 60cm with the maternal ridge of single file line-spacing, single file plantation 250,000 strain/hectares.

Embodiment 5

This cropping pattern of father and mother's duplicate rows on ridge, ridge: on duplicate rows Parent ridge, line-spacing is 15cm, the each 60,000 strain/hectares of male parent density, the each 120,000 strain/hectares of maternal density, duplicate rows Parent ridge female parent is 60cm with the maternal ridge of single file line-spacing, single file plantation 150,000 strain/hectares.

Claims (2)

1. one kind is improved the Parent implantation methods of hybrid soybean hybrid seed yield, it is characterized in that its implantation methods is as follows: in suitable hybrid soybean production of hybrid seeds region, adopt cytoplasmic male sterile line and restorer or maintainer, parental is 1:2, Parent configuration adopts Parent duplicate rows cropping pattern on ridge, ridge, this kind of pattern Parent needs the sowing same period, for preventing mixing, Parent is wanted there were significant differences agronomy feature, leaf, pattern, it is significantly different that hair colors etc. can be observed proterties, Parent is configured to: it is duplicate rows Parent ridge that male parent and maternal duplicate rows are positioned on same ridge, the male parent on duplicate rows Parent ridge and maternal line space are 15cm, it between every duplicate rows Parent ridge, is the maternal ridge of single file, the male parent on duplicate rows Parent ridge, line space maternal and the maternal ridge of single file is 60cm, its Parent density of duplicate rows Parent ridge is 6-13 ten thousand strain/hectares, the maternal density of single file is 15-25 ten thousand strain/hectares, cut off at the whole florescence of male parent, other manage same normal mode.
2. a kind of Parent implantation methods that improves hybrid soybean hybrid seed yield according to claim 1 ,it is characterized in that described Parent configuration also can adopt Parent compact planting in narrow row pattern, be specially: male parent and female parent are planted respectively and independently on ridge, be divided into male parent ridge and maternal ridge, male parent ridge and maternal ridge line-spacing are 30cm-45cm, between maternal ridge and adjacent maternal ridge, line-spacing is 45cm-60cm, Parent density is 10-25 ten thousand strain/hectares, cut off at the whole florescence of male parent, other manage same normal mode.
CN201310148506.2A 2013-04-26 2013-04-26 A kind of Parent implantation methods that improves hybrid soybean hybrid seed yield CN104106353B (en)

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CN106962176A (en) * 2017-03-28 2017-07-21 吉林省农业科学院 A kind of method of efficient Large scale identification soybean germplasm to insect pollinator attraction

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CN106962176A (en) * 2017-03-28 2017-07-21 吉林省农业科学院 A kind of method of efficient Large scale identification soybean germplasm to insect pollinator attraction
CN106962176B (en) * 2017-03-28 2019-04-16 吉林省农业科学院 A kind of method of efficient Large scale identification soybean germplasm to insect pollinator attraction

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