spikelet

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

互联网摘选

In all treatments, the ear length and 1000-grain weight increased obviously with years but the spike number showed decreasing trends. Under different fertilizer levels and plant densities, grain number per spike and spikelet number showed different change trends.

在任何肥密水平下，随着年代变化，冬小麦穗长和千粒重呈现明显的上升趋势；穗数则呈现下降趋势；穗粒数和小穗数的变化特征则因肥密水平的不同而表现不同。

互联网摘选

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；

互联网摘选

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。

互联网摘选

The outer or lower of the two bracts that enclose the flower a grass spikelet.

岩菖蒲属的一种植物,具有线形的基生叶和小的穗状花.

互联网摘选

The vascular bundle a similar spikelet number load sink loadin the HPHR and Shanyou 63.

重穗型组合的维管束颖花负荷量、总库容负荷量均与汕优63相当.

互联网摘选

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；

互联网摘选

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。

互联网摘选

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。

互联网摘选

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

互联网摘选

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。

互联网摘选

F_3 and f_4, formed by one trait, called spikelet factor and spike number factor respectively.

f3、f4均由一个性状构成，分别叫作小穗数因子和有效穗数因子。

互联网摘选

The basic characters of the varieties that the yield added significantly under Cr treatment were as follows: seed setting percentage increased significantly, panicle number pot spike and sink potential increased slightly, spikelet number per panicle and 1000-grain weight decreased slightly;

从产量构成因素来看，对土壤铬处理表现为显著增产类型品种的基本特征为结实率显著提高，穗数和库容量略有提高，每穗颖花数和千粒重略有下降；

互联网摘选

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。

互联网摘选

Correlation analysis revealed that flag leave angle increased grain yield by increasing spikelet fertility.

相关性分析表明,较小的剑叶角度可通过提高结实率进而显著增加产量.

互联网摘选

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。

互联网摘选

Meantime it can guard against the premature senility of later stage, reduce the numbers of sterile spikelet, enhance the numbers of gains per spike and thousand grain weight, increase the yield by 5% 26%.

同时防止后期早衰，减少不孕小穗数，提高每穗实粒数和千粒重，增产5%～26%。

互联网摘选

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。

互联网摘选

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。

互联网摘选

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。

互联网摘选

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。

互联网摘选

Under different water regimes, spike number per plant ( SNP), effective spikelet per spike ( ESPS) and peduncle length ( PLE) contribute a lot to the stable grain yield.

不同水分条件下，植株稳产性主要受单株穗数、有效小穗数及穗下节长的影响；

互联网摘选

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。

互联网摘选

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；

互联网摘选

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。

互联网摘选

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。

互联网摘选

Temperature within extremely low and high levels, affected spikelet formation, ripening, and final grain yield.

极低、极高范围内的温度影响小穗生成 、 成熟和最终籽粒产量.

互联网摘选

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。

互联网摘选

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；

互联网摘选

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。

互联网摘选