收获指数

不同熟期小麦品种收获指数（HI）的遗传研究

Heredity Study on Harvest Index of Wheat Cultivars with Different Maturing Dates

表观收获指数和粒茎比在F2代均呈广泛分离，多数组合表现出超亲现象，其遗传属于数量性状遗传，无母体效应。

Apparent harvest index and seed stem ratio segregated widely in F2 with transgression in most of the crosses .

收获指数（HI）反映了作物群体光合同化物转化为经济产品的能力，是评价作物品种产量水平和栽培成效的重要指标。

Harvest index is an important evaluation indicator on crop yield level and cultivation effect .

两品种氮素转运量、转运效率、转运氮贡献率以及N收获指数表现为随氮肥施加先增加后下降，氮肥的影响作用均达极显著水平。

N translocation amount 、 N translocation rate 、 translocation N contribution rate and N harvest index increased then reduced with nitrogen application increased in two varieties , effect of nitrogen had reached significant level .

并且，种群的繁殖分配和收获指数都与种群的平均Gini系数（4个生育期的均值）呈显著的负相关。

Reproductive allocation and harvesting index ( HI ) were both negatively correlated to average G of the populations .

CO2浓度增加，干物质积累和产量显著提高，收获指数无明显差异，籽粒粗脂肪和粗蛋白含量均明显减少；

While doubled O 3 decreased the dry matter accumulation , grain yield and harvest index of soybean , reduced the coarse fat content , but increased the raw protein content of grain .

产量组成因素分析表明，糙米中Cd浓度与一些农艺性状如产量、每穗粒数、收获指数之间存在明显的正相关。

The present experiment also showed that there were significant correlations ( p0.05 or 0.01 ) between Cd concentrations of brown rice and some important agronomic traits , such as grain yield , spikelets per panicle and harvest index .

与原始亲本相比，轮选品系的平均株高降低近20cm，生物量、籽粒产量、穗粒数、千粒重、收获指数等重要农艺性状均得到显著改进。

The mean plant height of the recurrent selection strains was about 20 cm shorter than that of their original parents .

UVB辐射增加使所有品种的总生物量和产量分别平均下降24.2%和23.3%，10个品种的收获指数平均提高1.39%，其中6个品种的收获指数增加，4个减少。

UV_B radiation reduced biomass and yield in all soybean cultivars by 24.2 % and 23.3 % , respectively . However , the harvest index increased in 6 of ten soybean cultivars but reduced in 4 cultivars , the average increment was 1.39 % .

收获指数（NHI）分别为84.91%、81.95%、88.47%和81.90%；

And N harvest index ( NHI ) were 84.91 % , 81.95 % , 88.47 % and 81.90 % .

结果表明，收获指数的一般配合力（GCA）效应、特殊配合力（SCA）效应和反交（R）效应均达极显著水平，其方差比为2.595∶1.232∶1；

The results indicated that general combining ability ( GCA ), special combining ability ( SCA ) and reverse crossing effect of the HI were significant at 0.01 probability level , and their variance ratio was 2.595:1.232:1 ;

OPTs显著提高了抽穗后干物质积累量，极显著提高了穗的干重，并且显著提高穗部干重占总干重的比例，显著提高了小麦的收获指数。

OPTs significantly increased dry matter accumulation after heading , significantly increased the dry weight of the panicle , and significantly improved the distribution ratio in panicle , and harvest index .

逐渐和持续增加O3和CO2浓度复合效应处理下，大豆干物质积累、产量和收获指数差异不明显，籽粒粗蛋白含量不同程度地减少，粗脂肪含量显著增加。

The interaction of doubled CO 2 and O 3 had no obvious effects on the dry matter accumulation , grain yield and harvest index of soybean , but reduced the grain raw protein content to a certain extent and increased the coarse fat content obviously .

在中等干旱胁迫下，通过根源信号ABA的产生、运输、累积和分配，在不影响光合作用的情况下抑制了叶面积的增长，提高了收获指数和叶片水平上的水分利用效率。

Under the moderate soil drought condition , the synthesis , transport , accumulation and distribution of ABA in maize did not affect the photosynthesis , but inhibited the development of leaf area , thereby increased the harvest index ( HI ) and water use efficiency ( WUE ) .

在相同土壤水分条件下，C4转基因品系的收获指数与对照品种无显著差异，说明C4转基因产量的增加主要是物质生产能力增加所致。

There was no significant difference in harvest index between the transgenic lines and WT when soil water potential was the same , suggesting that increase in the grain yield for the transgenic rice was mainly attributed to an enhanced capacity of dry matter production . 4 .

采用田间试验，在常规氮素管理下，以氮素吸收效率（NAE）、利用效率（NUE）和收获指数（NHI）为衡量指标，分析了国内外607份不同类型水稻种质氮素营养效率的变异状况。

Field experiment was conducted to investigate the variations of nitrogen absorption efficiency ( NAE ), nitrogen utilization efficiency ( NUE ) and nitrogen harvest index ( NHI ) in 607 rice germplasms ( including conventional indica , japonica and hybrid indica combination rice ) .

茎蘖成穗率>80%，抽穗期叶面积指数7.5～8.0，全生育期光合势>5×106m2·d·ha-1，成熟期总干重>22t·ha-1，收获指数>0.51；

Ratio of productive tillers > 80 % , leaf area index at heading 7.5-8.0 , photosynthetic potential during whole growth period > 5 × 106 m2 · d · ha-1 , total dry matter weight at maturity > 22 t · ha-1 , harvest index > 0.51 ;

小麦的收获指数和几个生理特性的遗传

Inheritance of harvest index and several other physiological characteristics in Wheat

小麦收获指数和源、库性状的遗传研究

A study on genetics of harvest index and source-sink of Wheat

收获指数的遗传力为中等偏高。

The heritability of the harvest index is more than middle .

大豆收获指数在高产育种中应用的研究

Study on the harvest , index of soybean in high-yield breeding

氮收获指数与蛋白质含量呈正相关。

N harvest index and protein content are positively correlated .

水稻收获指数相关性状的研究

Studies on inheritance of the traits related to harvest index in rice

收获指数在小麦高产育种中的应用

Utilization of harvest index in wheat breeding for high yielding

杂交水稻收获指数与源库性状的遗传和相关分析

Genetic Correlation Analysis of Harvest Index and Source-Sink Characters in Hybrid Rice

其收获指数、氮效率和氮响应度，也存在显著的基因型差异。

So did the harvest index , nitrogen efficiency and nitrogen responsiveness .

小麦收获指数、生物产量和籽粒产量的稳定性分析

Stability Analysis of Harvest Index , Biomass and Grain Yield in Wheat

提高短生育期品种生物产量和收获指数的技术措施

Main Techniques of Improving Life Yield and Harvest Index on Short-Life-Period Variety

不同年代春小麦品种产量及其收获指数研究

Study on different year variety yield and harvest index in spring wheat

影响油菜收获指数的几个生理因子

Harvest Index in Rapeseed Affected by a Few Physiological Factors