Spikelet density is an important trait related with panicle number, spikelet number and grain weight.
水稻小穗着粒密度是一个重要的农艺性状，其与单株穗数、小穗数和粒重等有密切的联系。
The fresh weight of panicle and stem at the heading stage was correlated positively to spikelet number per panicle;
抽穗期的穗重及茎秆重量与每穗颖花数关系密切，均表现为随重量增加而增加。
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。
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。
Increasing spikelet number per panicle is one of the key factors for high yield, and panicle differentiation is the important stage for spikelet number formation.
拔节长穗期是争取大穗的关键时期，每穗粒数是产量的主要构成因素之一，尤其是争取高产更高产，其作用更为突出。
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。
The number of leaf primordia was affected by both genotype and environment, while the Numbers of bracteal, spikelet and floret primordia were affected mainly by environmental factors.
叶原基数由基因型和环境条件共同决定，而苞叶原基、小穗原基和小花原基数以环境因子的影响为主。
But fertile floret number is directly regulated by hormones after the top spikelet formation.
而顶小穗形成之后，激素直接调节小花的发育。
Correlation analysis of characters indicates that shortening heading date can cause the increase in grains number per spike and 1000-grain weight, but decreases in spikelet per spike.
性状相关分析表明，随着抽穗期缩短，穗粒数和千粒重增加，但小穗数有减少的趋势。
Output can be improved by reducing the plant height, improving available spikelet and seed setting rate and combining kernel number per spike with thousand kernel weight.
适当降低株高、增加有效小穗数、提高结实率、穗粒数与千粒质量并重、主攻穗粒质量是提高小麦产量的有效途径。
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；
Generally, spikelets per panicle were more closely correlated with number of secondary branch per panicle, spikelets in secondary branch per secondary branch, and spikelet density.
总体上，每穗颖花数与每穗二次枝梗数、每个二次枝梗上的颖花数、颖花密度有更大的相关性。
The main reason resulting in higher yield was that the higher number of total spikelet increased per unit area under the condition of appropriate seedling Numbers, plant spacing and row spacing.
获得高产的原因主要是在适宜的株行距配置和插植苗数下，单位面积上获得了较高的群体颖花量。
The main reason resulting in higher yield was that the higher number of total spikelet increased per unit area under the condition of appropriate seedling Numbers, plant spacing and row spacing.
获得高产的原因主要是在适宜的株行距配置和插植苗数下，单位面积上获得了较高的群体颖花量。
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