spikelet number

Formation of Large Panicle in rice ( 3) varietal difference of survived spikelet number per panicle and its relations with differentiated spikelet num-ber and biomass at heading

水稻大穗形成机理的研究（3）品种间每穗颖花现存数与颖花分化和抽穗期物质生产的关系

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On the short-term cutting plot, both the ear length with its stem high and the spikelet number with its ear length were linear function.

在短期割草小区，穗长随其株高、小穗数随其穗长均呈直线变化；

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Chromosomal location of genes for spikelet number of the giant spike wheat germplasm

巨穗小麦种质小穗数的染色体定位研究

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There was significant interactive effect between varieties and Cu treatments on panicle number per area, the spikelet number per panicle and 1000-grain weight.

品种×铜处理对单位面积穗数、每穗颖花数和千粒重有显著性互作效应。

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Photosynthetic rates were raised; spike length, spikelet number, grain number of main spike and grain weight of main spike were generally increased.

穗长、结实小穗数、主穗粒数增加，穗粒重提高。

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The positive correlation between 1000-grain weight and grain numbers per spike, plant height and protein content, heading date and spikelet number per spike, have disadvantageous effect on the genetic improvement of wheat-rye recombinant lines.

千粒重和穗粒数的负偏相关对小麦异源（黑麦）重组系的遗传改良有重大影响，打破该相关也相当困难。

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There are also distinct differences on some characters like that stalk rigidity, plant height, ear length, ear type, spikelet number, grain number of spike, wheat awn and mature period among unborn strains.

后代植株在茎秆硬度、株高，穗长、穗形、小穗数、穗粒数、麦芒有无、结实率、成熟期等形态性状方面发生了明显的变异。

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The results indicate that the IPST of plant height, spike length, spikelet number and grain number per spike at mature stage could be used as parameters of screening wheat genotypes for high-efficiency utilization of phosphorus.

研究指出，成熟期株高、穗长、小穗数和穗粒数的耐缺磷系数都可以做为高效利用磷素基因型的筛选指标；

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The effects of the panicle length, branch distribution, number of spikelets, seed set percentage, neck vascular bundles and plant weight per stem on spikelet number per panicle were analyzed.

分析了穗长、枝梗分布、枝梗颖花数及其结实率、穗部维管束数目和开花期单茎干物重对穗粒数的影响。

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There were significant differences between varieties of gain yield per area, panicle number per area, the spikelet number per panicle, seed setting rate and 1000-grain weight.

单位面积产量、单位面积穗数、每穗颖花数、结实率和千粒重品种间的差异均达到极显著水平。

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The value of ZT/ IAA is significantly and positively related to spikelet number before the top spikelet formation.

但在顶小穗形成之前，ZT／IAA与小穗数目之间具有极显著的正相关。

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Arsed on the results in the previous studies and in present experiment, it was speculated that chromosome iB and 4D of "88F2185" carried new genes controlling spikelet number.

据前人研究及本试验结果分析认为，88F21855的1B及4D染色体上具控制小穗数目的新基因。

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It was found by path analysis that panicle neck diameter has effect on yield by increasing the spikelet number and grain number.

通径分析表明两种水分条件下穗颈粗主要是通过颖花数或实粒数来对产量产生影响。

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The improvement of stay-green can increase stem and leaf water content, but can't increase kernel water content. Correlation analysis revealed that flag leaf area increased grain yield by increasing spikelet number per panicle.

相关分析表明，较大的剑叶可以增加穗粒数并显著增加产量，然而叶绿度和持绿性与产量、产量性状无关或呈显著负相关。

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Three kinds of haplotypes were significantly associated with spike number per plant, grain number per spike, spikelet number per spike and grain plumpness, respectively.

鉴定出3种单倍型分别与单株穗数、穗粒数、每穗小穗数和籽粒饱满度显著或极显著相关。

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Determination of panicle number generally precedes determination of spikelet number.

穗数的确定通常先于小穗数的确定。

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Genetic Analysis on Spike Length and Spikelet Number of Non 1B/ 1R and 1B/ 1R K Type Wheat Male Sterile Lines

非1B/1R和1B/1R类型小麦K型雄性不育系穗长和小穗数性状的遗传分析

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Analysis the variance of differences between the parental groups on seven traits in the experiments showed significant difference between the plant height, ear length, ear number per plant, spikelet number per ear.

对双亲的多个性状进行差异显著性分析，证明双亲在株高、单株穗数、穗长、每穗粒数等多个性状间差异显著。

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The grain yield increased with increasing total dry matter accumulation, and significantly positively correlated with dry matter accumulation after heading, total spikelet number, LAI, and spikelet/ leaf area ratio.

稻谷产量随干物质积累总量的增加而提高，与齐穗后干物质积累量、总颖花量和LAI呈极显著正相关，与粒叶比呈显著正相关。

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Varietal Differences in Optimum Leaf Area Index and Optimum Total Spikelet Number in Rice

水稻最适叶面积指数和总颖花数的品种差异

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The effective panicle in NT was lower than that in CT, while the spikelet number per panicle in NT was higher than that in CT no matter which rice establish method was adopted.

无论移栽或直播，免耕稻的有效穗数比翻耕稻低，但其每穗粒数高于翻耕稻。

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Compared to ripened grain and 1000-grain weight, the spikelet number per panicle of film mulched rice was easily affected by environmental condition.

穗粒数受环境影响很大，结实率和千粒重一般比较稳定。

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These results show that the spikelet number is regulated by GA, IAA, ZT and ABA, especially the value of ZT/ IAA.

据此认为，GA、IAA、ZT和ABA均参与了对小穗数目的调控，其中ZT／IAA值对小穗数目的调控作用尤为重要。

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They had higher total spikelet number, leaf area index ( LAI) and crop growth rate ( CGR), as compared with other genotypes.

高产品种的总颖花量、LAI及群体生长速率（CGR）都较高。

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Number of panicles per unit ground area under FACE treatment was very significantly increased by an average of 18.8%, while spikelet number per panicle was very significantly decreased by an average of 7.6%.

FACE处理使水稻穗数平均比对照增加18.8%，每穗颖花数平均比对照减少7.6%，均达极显著水平；

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Few QTLs were detected under both water stress and non-stress condition, implying that drought had severe impact on the genetic behaviors of both spikelet number and stigma exsertion.

几乎没有在水分胁迫和非胁迫两种条件下都检测到的QTL，暗示着干旱对颖花数和柱头外露率有严重的影响。

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The increase of spikelet number can increase grain number, grain volume and green area of ear for photosynthesis.

前者增粒、增重、扩大籽粒库容体积及穗部绿色光合面积；

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The variation extent of internode length is the Maximum in population, while that of spikelet number is the minimum.

种群内变异幅度最大和最小的分别为节间长和小穗数。

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With the increment of the differentiated spikelet number per panicle, the number of survived spikelets increased, but the surviving rate of spikelet decreased.

每穗颖花现存数随每穗颖花分化数的增加而提高，但颖花现存率却随之降低。

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The actual yield and spikelet number per panicle in 2005 were higher than those in 2004;

其中有效穗数、结实率2004年高于2005年；

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