有效穗数与其他性状呈负相关。
对大穗型单株穗数的选择也不应忽视。
It is important to select number of heads per plant in big spike type breeding.
抛栽密度与有效穗数、稻谷产量呈正相关。
There existed positive correlation between scatteredtransplanting density and effective panicle number and grain yield.
随密度降低，分蘖成穗数和分蘖成穗率都提高。
With the reduce of density, the number and percentage of earbearing tillerincrease.
该技术可使单位面积有效穗数增加、空秕率减少。
This technology can make efficient panicle of unit-acreage increased, empty-percent creased.
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.
在胁迫条件下，产量与每株穗数呈极显著正相关。
Grain yield showed significant positive correlation with ears per plant (EPP) under stress conditions.
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.
通过增加穗粒数来实现高产比增加单位面积穗数意义更大。
And it was more significant to achieve higher yields by increasing grain number per spike than by enhancing spike number per unit area.
通径分析结果表明，对产量的直接影响力穗数最大，越冬率最小。
Correlation analysis between rate of overwintering and yield componenet were made.
单株穗重与有效穗数、主穗粒数；穗粒数与穗长呈极显著正相关。
The results indicated that theer was a significant positive correlation between panicle weight of plant and panicle number, grain number of main panicle;
在产量构成因子中，每盆穗数和结实率是影响产量的两个主要因子。
Among the yield components, decreases in number of panicles per pot and seed setting rate were two main reasons for the yield reduction.
增产的主要贡献是双穗率提高，空秆率下降——每公顷有效穗数的增加。
The increasement of double ears and the decrease of empty stalk were main reason for obtaining high yield because their agronomical characters did not obviously changed.
单株产量与穗长偏相关显著，与有效穗数、穗粒重偏相关达极显著水平。
These accessions had a extremely significant positive partial-correlation between grains weight per plant and spikelet Numbers per spike, grains weight per spike, respectively.
通过多年的小区高产栽培试验和高产攻关，对小麦的穗数、穗粒数进行了研究。
Through years of survey and investigation of plot test and high-yielding cultivation, the grain number and spike of wheat were studied.
性状相关分析表明：随着有效穗数、穗粒数和千粒重增加，单株产量显著提高。
Correlation analysis of characters indicated that with the increase of spike number per plant, grain number per spike and 1000-grain weight, the grain weight per plant would increased obviously.
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；
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.
单株穗数、穗粒数和千粒重随密度增加而下降，籽粒产量与密度呈二次抛物线关系。
The number of ears per plant, the number of kernels per ear and 1000-kernel weight decreased as density increased. Grain yield and density showed a quadratic parabola relationship.
限库处理降低穗粒数对产量的贡献，减源处理下穗粒数和粒重对产量的贡献超过穗数。
The contribution of kernels to yield is decreased by sink-limiting treatment. However, the contribution of kernels number and kernel weight exceeds the number of ear in the source-reducing treatment.
四个水稻籽粒产量构成因素为单位面积穗数、小穗数、成熟籽粒百分数和成熟籽粒重量。
Four components contribute to rice grain yield including the panicles per unit area, the number of spikelets, the percentage of, and the weight of ripe grains.
继续增加施氮量子粒产量显著降低，公顷穗数、穗粒数、蛋白质产量降低或无显著差异。
Continue to increase nitrogen rate, grain yield decreased significantly. No. of spikes, grains per hectare and protein yield decreased or had no significant differences.
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。
Spikelet density is an important trait related with panicle number, spikelet number and grain weight.
在分蘖后期秸秆还田可以增强水稻的保分蘖能力，以保证其成熟期具有足够的穗数达到高产。
In late tillering stage, straw incorporation enhanced the ability of tiller sustaining of rice plants, ensuring sufficient yield spike at maturity to achieve high yield.
通过对65 0 0 2进行栽培实验，可知提高氮素水平和栽培密度可有效提高有效穗数。
The result of cultural technique indicated the productive panicle of 65002 can be increased through the improvement nitrogenous fertilizer level and planting density.
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.
在有限光热资源条件下，保证穗数、主攻穗粒数、稳定千粒重是实现夏玉米高产的主要途径。
Under limited thermo-unit conditions, keeping optimum ear Numbers per hectare, increasing ear grain Numbers per ear and remaining grain weight were important for high yield.
直立穗型品种对产量起正向作用的是穗粒数和千粒重，弯曲穗品种对产量起正向作用的是穗数。
The yield of had a positive relation with the spikelets per panicle of erect type, and with the panicles of curve type.
氮素籽粒产量利用率、氮素收获指数与结实率、单株籽粒重和单株有效穗数均呈极显著正相关。
NGPE and NHI were significantly positively associated with seed setting rate, grain weight per plant and effect panicle per plant.
氮素籽粒产量利用率、氮素收获指数与结实率、单株籽粒重和单株有效穗数均呈极显著正相关。
NGPE and NHI were significantly positively associated with seed setting rate, grain weight per plant and effect panicle per plant.
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