SHAN Li-li,ZHAO Hai-xin,ZHAO Feng-min,et al.Analysis on Yield Composition Factors of Rice High Yield Population in Cold Region[J].HEILONGJIANG AGRICULTURAL SCIENCES,2010,(08):18-21.
寒地水稻高产群体产量构成因素分析
- Title:
- Analysis on Yield Composition Factors of Rice High Yield Population in Cold Region
- 文章编号:
- 1002-2767(2010)08-0018-04
- Keywords:
- rice; high yield population; yield; composition factors
- 分类号:
- S511
- 文献标志码:
- A
- 摘要:
- 通过对不同肥密因素构成的60个质量群体进行调查。结果表明：寒地水稻高产群体有效穗数集中在450万~495万穗?hm-2，穗粒数应控制在90~130粒，在此限度内，穗粒数对产量影响不明显；产量构成因子在不同产量群体中表现不同，在高产群体中表现为结实率>穗粒数>穗数>粒重；在中产群体中表现为穗数>穗粒数>结实率>粒重；在低产群体中表现为穗数>结实率>穗粒数>粒重。
- Abstract:
- The survey on 60 quality groups that different fertilizer and density factors constituteThe results showed that the investigation and analysis on 60 different groups of spike number，grains per panicle，seed setting rate，grain weight，spike number of high yield population concentrated in the 4 500~ 4 950 thousand per hectare，the grain number per spike of high yield population should control in the range of 90 to 130 in cold region;within this range，the effect of chang of grain number per spike on yield was not significantThe role of different yield compositon factors on different yield level rice population was different;the role of each yield compositon factors in high yield population was:seed setting rate>grain number per spike>spike number>grain weight;in middle yield population was:spike numbe>grain number per spik> seed setting rate>grain weight;in low yield population was:spike number> seed setting rate> grain number per spike> grain weight
参考文献/References:
[1] 矫江，许显斌，卞景阳 , 等.黑龙江省水稻生产发展的启示[J].农业展望，2007，3(2) :9 - 12 [2] 罗德强．水稻高产栽培配套技术的作用及评价[D]．贵阳：贵州大学,2005 [3] 万靓军，霍中洋，龚振恺，等.氮肥运筹对杂交稻主要品质性状及淀粉RVA谱特征的影响[J]．作物学报，2006，32(10)：1491-1497
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备注/Memo
基金项目：“十一五”国家科技支撑计划资助项目(2007BAD65B01-4)