CN104106353B - A kind of Parent implantation methods that improves hybrid soybean hybrid seed yield - Google Patents

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

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Publication number
CN104106353B
CN104106353B CN201310148506.2A CN201310148506A CN104106353B CN 104106353 B CN104106353 B CN 104106353B CN 201310148506 A CN201310148506 A CN 201310148506A CN 104106353 B CN104106353 B CN 104106353B
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China
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parent
ridge
maternal
duplicate rows
male
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CN201310148506.2A
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Chinese (zh)
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CN104106353A (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 present invention relates to a kind of Parent implantation methods that improves hybrid soybean hybrid seed yield, it is characterized in that concrete grammar is as follows: parental is 1:2, adopt this cropping pattern of father and mother's duplicate rows on ridge, ridge: Parent is wanted there were significant differences agronomy feature, duplicate rows on Parent ridge, line-spacing 15cm, maternal and maternal line-spacing 60cm, on ridge, duplicate rows Parent density is 6-12 ten thousand strain/hectares, the maternal density of single file is 15-25 ten thousand strain/hectares; Also can adopt compact planting in narrow row pattern: male parent and maternal line-spacing 30cm-45cm, maternal and maternal line-spacing 45cm-60cm, Parent density is 10-25 ten thousand strain/hectares; It,, by Parent space configuration optimization, makes it more adapt to wild insect pollination, reduces male parent planting proportion, can significantly improve hybrid soybean hybrid seed yield by the utmost point.

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 neckTerritory.

Background technology

Utilize soybean heterosis to increase substantially soybean yields and be considered to one of most promising approach, soybean is assortedThe advantage of kind can improve per unit area yield more than 20%. But successful Application hybrid soybean seeds on producing, must possess following four conditions:There is reliable method to avoid maternal selfing; Hybrid has stronger advantage; There is suitable pollination medium; Seed price peasant and seedCompany 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 inIt is supporting that nineteen ninety-five has been realized the cultivated soybean " three are ", makes soybean heterosis utilization become possibility. This invention has caused domesticOuter very big attention, thus start the upsurge of a research soya cells matter sterile line and heterosis utilization. 2002 withCome, Jilin Province has authorized 6 hybrid soybean kinds, increases production more than 15% than district's examination check variety. In recent years, although seeding techniquePerfect gradually, but hybrid seed yield is low, breeding cost is high, is still the most important restriction 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 is to sterileThe hybrid seed yield of system also has considerable influence. By evidence for many years, present stage, most sterile lines were joined taking parental as 1:2Put and can obtain the highest hybrid seed yield. But optimum distance research between Parent is not carried out, because insect will be to have most between flowerPowder is adopted in the path of effect, therefore, is under 1:2 configuration condition in parental, the shared soil of father and mother's space length and male parentGround area will directly affect hybrid seed yield. So, set up and protect pollen, increase maternal and with the wild insect pollination habit father and mother that adaptThis configuration structure, improves 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 large in hybridizationUnder the open production of hybrid seeds condition in beans land for growing field crops, dwindle cytoplasmic male sterile line and restorer or maintainer plant distance, make group structure suitableeerAnswer wild insect pollination habit, reduce male parent planting proportion simultaneously, supporting related technical measures, changes existing seeding technique notFoot, provides a kind of implantation methods that significantly improves hybrid seed yield.

Technical scheme of the present invention is achieved in that a kind of Parent plantation side of improving hybrid soybean hybrid seed yieldMethod, 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 orMaintainer, parental is 1:2, Parent configuration adopts Parent duplicate rows cropping pattern on ridge, ridge, this kind of pattern father and motherThis needs same period sowing, for preventing mixing, and agronomy feature that Parent wants that there were significant differences, leaf, pattern, hair color etc. can be observedProterties is significantly different, and Parent is configured to: it is duplicate rows Parent ridge, duplicate rows Parent that male parent and maternal duplicate rows are positioned on same ridgeThe male parent on ridge and maternal line space are 15cm, are the maternal ridge of single file between every duplicate rows Parent ridge, duplicate rows Parent ridgeMale parent, line space maternal and the maternal ridge of single file are 60cm, and 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, is cut off at the whole florescence of male parent, and other manage same normal mode.

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

Good effect of the present invention is that it can dwindle cytoplasmic male sterile line and restorer or maintainer plant distance, makes colonyStructure more adapts to wild insect pollination habit, reduces male parent planting proportion simultaneously, and supporting related technical measures changes the existing production of hybrid seedsTechnical 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.

Detailed description of the invention

Below in conjunction with embodiment, the invention will be further described, it should be noted that the following examples only use for exampleIllustrate, 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 cenospecies advantage combination systemKind. Parent compact planting in narrow row cropping pattern, test material is sterile is nine 9130-1-6-6A, recovery is 99699, ParentRow is than 1:2, and 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, recoversBe 996999, parental 1:2, experimental design is as table 2. Respectively test all taking normal mode as contrast, due to Parent flowerPhase is identical, and 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 are alsoExtremely significantly increase hybrid seed yield, processing 4 hybrid seed yields increases 152.2%(table 4). Above space configuration change, effectively reduces male parentRatio, 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 45cm, maternal ridge and adjacent female parentRidge line-spacing is 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, maternal ridge and adjacent maternal ridgeLine-spacing is 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, duplicate rows Parent ridge female parentWith the maternal ridge of single file line-spacing be 60cm, on ridge, duplicate rows Parent density is 60,000 strain/hectares, single file female parent density be 150,000 strains/Hectare.

Embodiment 4

This cropping pattern of father and mother's duplicate rows on ridge, ridge, on duplicate rows Parent ridge, line-spacing is 15cm, each 120,000 strains of male parent density/Hectare, 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 250,000Strain/hectare.

Embodiment 5

This cropping pattern of father and mother's duplicate rows on ridge, ridge: on duplicate rows Parent ridge, line-spacing is 15cm, each 60,000 strains of male parent density/Hectare, 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 15Ten thousand strain/hectares.

Claims (2)

1. improve a Parent implantation methods for hybrid soybean hybrid seed yield, it is characterized in that its implantation methods is as follows: suitableSuitable hybrid soybean production of hybrid seeds region, adopts cytoplasmic male sterile line and restorer or maintainer, and parental is 1:2, and Parent is joinedPut and adopt Parent duplicate rows cropping pattern on ridge, ridge, this kind of pattern Parent needs the sowing same period, and for preventing mixing, Parent is wantedAgronomy feature that there were significant differences, to can be observed proterties significantly different for leaf, pattern, hair color, and Parent is configured to: male parent is with femaleIt is duplicate rows Parent ridge that this duplicate rows is positioned on same ridge, and the male parent on duplicate rows Parent ridge and maternal line space are 15cm, everyBetween duplicate rows Parent ridge, be the maternal ridge of single file, male parent, the line space maternal and the maternal ridge of single file on duplicate rows Parent ridge are60cm, 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,The whole florescence of male parent is cut off, and other manage same normal mode.
2. a kind of Parent implantation methods that improves hybrid soybean hybrid seed yield according to claim 1, is characterized in thatDescribed Parent configuration replaces with Parent compact planting in narrow row pattern by Parent duplicate rows cropping pattern on ridge, ridge, is specially:Male parent and female parent are planted respectively and independently on ridge, are being divided into male parent ridge and maternal ridge, and male parent ridge and maternal ridge line-spacing are 30cm-45cm,Between maternal ridge and adjacent maternal ridge, line-spacing is 45cm-60cm, and Parent density is 10-25 ten thousand strain/hectares, colored end in male parentPhase is cut off, and 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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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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