每穗粒数与一、二次枝梗数密切相关。
The seed number per ear was closely correlated with the first and secondary panicle branches.
而增加每穗粒数则应主要从增加结实小穗数着手；
The grains per spike should be raised mainly through the increase of fertile spikelets.
改进小麦产量的主要因素是每穗粒数和千粒重的增加。
The major reason for the improved wheat yield was the increase in the number of grains per spike and the thousand-grain-weight.
本研究结果表明，在较高的产量水平下，增加每穗粒数和千粒重是增产的方向。
The results suggested that the way to increase yield in the area with higher production level was to improve grain number of ear and grain weight.
随着品种演进产量逐步提高，其原因主要是每穗粒数的增多导致总颖花量的增加。
Increase in grain yield was attributed mainly to the increase in total number of spikelets, which resulted mainly from a large panicle.
在氮肥施用量相同时，基本苗增加，每穗粒数、蛋白质及其组分含量均呈下降趋势。
Grain number per spike, protein and its component contents decreased with the increase of basic seedling number at the same nitrogen application amount.
最主要的差别在株高、有效穗、每穗粒数、每穗实粒数、结实率和千粒重等几个性状。
The major differences between them were the plant height, effective panicle number, total grain number per panicle, number of filled grains per panicle, seed setting rate and 1000grain weight.
对于每穗粒数、千粒重等遗传力高的性状，可结合杂交育种工作采用有限回交同步改良。
High heritability traits such as grain number per panicle and weight per thousand grains can be improved synchronously by limited backcrossing in breeding procedures.
光温因子主要通过单位面积有效穗数、每穗粒数和单位面积颖花量的作用而影响超级稻产量；
The light and temperature factors greatly affect yield mainly by the productive panicle number, spikelets per panicle and spikelet's per unit area.
结果表明，产量的增加主要与品种改良过程中总库容的扩大有关，其中每穗粒数的增加是关键。
The result indicated that the increase of grain yield was mainly attributed to magnifying of total sink capacity with the increase of number of spikelets per panicle as the key factor.
SP2在株高、生育期、穗长、每穗粒数、千粒重、结实率及抗病性等性状上出现了较大的分离。
Segregation of major characters such as plant height, growth period duration (GPD), length of panicle, 1000-grain weight and so on, appeared in the SP2 generation resulting from rs.
增施锌硅肥对小麦有显著的减少小穗退化、降低空秕率作用，达到增加每穗粒数、提高产量的目的。
Spike degeneration and sterile grain rate can be decreased by increasing Zn and Si fertilizer, and the number of grains per ear and grain yield can be increased.
小麦抗赤霉病新品种（系）的丰产性状已有改进，植株高度明显降低，每穗粒数和千粒重有所提高。
The yield characters of new wheat varieties resistant to scab have been improved. The plant height has become lower significantly and the grains per spike and 1000-grain weight has increased.
在相同密度条件下，利用中位蘖栽培，能提高每穗粒数5．44％以上，表现出具有较大的增产潜力。
The intermediate tillers could increase grain number per ear by over 5.44% at the same planting density. This indicates that it has a great potential for increasing yield.
结果表明：每穗粒数、结实率、单位面积穗数与千粒重对优质稻产量形成贡献较大，尤其是每穗粒数、结实率；
The results indicated that the grain per spike, seed setting rate, spikes per unit area and thousand grain weight had great contribution to the yield, especially grain per spike and seed setting rate.
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。
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.
水稻稻曲病随着每穗稻曲球数增加，穗粒数、粒重及千粒重下降，秕谷率上升，产量损失率增加。
The grains and grain weight decreased and the blasted rate and yield loss rate of rice increased with the increase of disease grains each ear.
每穗总粒数与结实一次枝梗数和现存二次枝梗数均密切相关。
Total grain number per spike correlated closely to fruiting primary rachis branch number and existing secondary rachis branch number.
这可能是由于播种期的推迟，每穗总粒数、每穗实粒数和有效穗显著降低。
The spikelets and the setting grains per panicle and effective panicle number per unit land area all decreased with the delay of seeding times.
促使水稻新品种产量增长的关键因素是增加了杂交粳稻和理想株型品种的每穗成粒数。
The key factor to increase the yield was ripened grains per panicle of new hybrid rice and varieties with idea type.
水稻产量作为主要的育种目标性状，直接受到每穗实粒数、千粒重和单株有效分蘖数等产量构成因子的影响。
Yield as a major breeding objective in rice, is directly influenced by the yield-component traits including the number of productive tillers per plant, grains per panicle and 1000-grain weight.
在保持现有组合的千粒重的基础上，增加每穗实粒数是提高早杂组合产量的有效途径。
On the basis of maintaining 1000-grain weight of the present combinations, increasing filled grains per panicle was an effective approach to elevating the yield of hybrid early rice.
每穗实粒数为两对主基因遗传模型。
The optimum model for filled grain number per panicle was two major genes model without polygene.
水稻产量是由有效穗数、每穗实粒数和千粒重构成。
The rice yield is composed of panicles, the filled grains per panicle and the weight of 1000 filled grains.
水稻产量是由有效穗数、每穗实粒数和千粒重构成。
The rice yield is composed of panicles, the filled grains per panicle and the weight of 1000 filled grains.
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