不同时期接受遮光胁迫对大豆产量性状及产量的影响

通过遮光处理，研究不同时期遮光及遮光强度对大豆的产量及产量性状的影响。结果表明．从播种、3节期（V3期）、开花始期（R1期）和鼓粒始期（R3期）开始遮光至完熟期．遮光强度超过20％后．大豆株荚数、株粒数、株粒重、单株地上部生物量、百粒重及小区产量显著或极显著下降。早期（V3期以前）开始遮光50％至完熟期．大豆单株有效分枝数显著减少。3节期至完熟期遮光20％～30％、R5期至完熟期遮光20％～50％和全生育期遮光50％．大豆单株瘪荚数显著增加。对大豆株荚数、株粒数、株粒重、单株地上部生物量和小区产量影响，同一遮光强度．早期（V3期以前）开始遮光比中后期（R1期以后）开始遮光更显著,3节期（V3）...

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Published inXinan nongye xuebao Vol. 19; no. 2; pp. 265 - 269
Main Author 李初英 孙祖东 陈怀珠 杨守臻
Format Journal Article
LanguageChinese
Published 广西农科院经济作物研究所,广西,南宁,530007 2006
Subjects
产量
产量性状
大豆
遮光胁迫
产量
大豆
遮光胁迫
产量性状
Online AccessGet full text
ISSN1001-4829
DOI10.3969/j.issn.1001-4829.2006.02.023

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Abstract 通过遮光处理，研究不同时期遮光及遮光强度对大豆的产量及产量性状的影响。结果表明．从播种、3节期（V3期）、开花始期（R1期）和鼓粒始期（R3期）开始遮光至完熟期．遮光强度超过20％后．大豆株荚数、株粒数、株粒重、单株地上部生物量、百粒重及小区产量显著或极显著下降。早期（V3期以前）开始遮光50％至完熟期．大豆单株有效分枝数显著减少。3节期至完熟期遮光20％～30％、R5期至完熟期遮光20％～50％和全生育期遮光50％．大豆单株瘪荚数显著增加。对大豆株荚数、株粒数、株粒重、单株地上部生物量和小区产量影响，同一遮光强度．早期（V3期以前）开始遮光比中后期（R1期以后）开始遮光更显著,3节期（V3）开始遮光比今生育期遮光的影响程席相对较大;同一时期遮光．遮光强席强比遮光强席弱的影响更显著．
AbstractList 通过遮光处理，研究不同时期遮光及遮光强度对大豆的产量及产量性状的影响。结果表明．从播种、3节期（V3期）、开花始期（R1期）和鼓粒始期（R3期）开始遮光至完熟期．遮光强度超过20％后．大豆株荚数、株粒数、株粒重、单株地上部生物量、百粒重及小区产量显著或极显著下降。早期（V3期以前）开始遮光50％至完熟期．大豆单株有效分枝数显著减少。3节期至完熟期遮光20％～30％、R5期至完熟期遮光20％～50％和全生育期遮光50％．大豆单株瘪荚数显著增加。对大豆株荚数、株粒数、株粒重、单株地上部生物量和小区产量影响，同一遮光强度．早期（V3期以前）开始遮光比中后期（R1期以后）开始遮光更显著,3节期（V3）开始遮光比今生育期遮光的影响程席相对较大;同一时期遮光．遮光强席强比遮光强席弱的影响更显著．
S129; 通过遮光处理,研究不同时期遮光及遮光强度对大豆的产量及产量性状的影响.结果表明,从播种、3节期(V3期)、开花始期(R1期)和鼓粒始期(R3期)开始遮光至完熟期,遮光强度超过20 %后,大豆株荚数、株粒数、株粒重、单株地上部生物量、百粒重及小区产量显著或极显著下降.早期(V3期以前)开始遮光50 %至完熟期,大豆单株有效分枝数显著减少.3节期至完熟期遮光20 %～30 %、R5期至完熟期遮光20 %～50 %和全生育期遮光50 %,大豆单株瘪荚数显著增加.对大豆株荚数、株粒数、株粒重、单株地上部生物量和小区产量影响,同一遮光强度,早期(V3期以前)开始遮光比中后期(R1期以后)开始遮光更显著,3节期(V3)开始遮光比全生育期遮光的影响程度相对较大;同一时期遮光,遮光强度强比遮光强度弱的影响更显著.
Author 李初英 孙祖东 陈怀珠 杨守臻
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SUN Zu-dong
CHEN Huai-zhu
LI Chu-ying
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遮光胁迫
产量性状
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Snippet 通过遮光处理，研究不同时期遮光及遮光强度对大豆的产量及产量性状的影响。结果表明．从播种、3节期（V3期）、开花始期（R1期）和鼓粒始期（R3期）开始遮光至完熟期．遮光强...
S129; 通过遮光处理,研究不同时期遮光及遮光强度对大豆的产量及产量性状的影响.结果表明,从播种、3节期(V3期)、开花始期(R1期)和鼓粒始期(R3期)开始遮光至完熟期,遮光强度超...
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SubjectTerms 产量
产量性状
大豆
遮光胁迫
Title 不同时期接受遮光胁迫对大豆产量性状及产量的影响
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