Low grain weight and bulk density.
容重、千粒重较低。
No correlations was between grain weight and grain filling.
充实度与粒重不相关。
The hundred - grain weight increased with the increasing nitrogen content.
百粒重随着施氮量呈现递增趋势。
The grain weight is a effective component in the improvement of rice yield.
增加水稻粒重是提高粮食产量的有效途径。
Q enzyme activity reached the maximum when grain weight was close to the highest.
酶最高活性在籽粒重量接近最大时出现。
Hundred grain weight was significantly negative correlated with number of pods and seeds per plant.
百粒重与荚宽呈显著正相关，与单株荚数、单株粒数呈极显著负相关。
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。
It was shown that there was a positive correlation between the hull weight and the last grain weight.
相关分析表明，谷壳的重量与最终粒重呈极显著正相关关系。
The thousand-grain weight and the days from heading to ripening showed very notable positive correlation.
千粒重与抽穗至成熟天数呈极显著的正相关。
The sterile line 105B had a small average grain weight and the difference between superior and inferior grains was small.
母本105B最终粒重较小，且强弱势粒间粒重差异较小；
Path analysis showed that the influence of endosperm cell number on grain weight was greater than single endosperm cell weight.
通径分析表明籽粒胚乳细胞数目对粒重的影响最大，单个胚乳细胞重量次之。
The indexes of this experiment are the content of chlorophyll, the breath intensity, the content of protein, grain weight per plant.
本实验测定的指标是叶绿素含量、呼吸强度、蛋白质含量、单株产量等。
Therefore, it was very important to take effective measures to increase the early grain weight for gaining a high final grain weight.
在早期粒重高的年份，最终粒重常常也高，因此，在生产实践中，采取有效措施提高早期粒重对获得最终高粒重具有重要作用。
The effect of removing base spikelet on setting kernels and grain weight was slighter, kernels and grain weight per ear decreased less.
去除基部小穗对结实粒数和粒重的影响较小，穗粒数和粒重下降较少；
These mutants were almost accompanied by variations in agronomic traits such as dwarfism, high sterility, heading date or grain weight.
抗病突变体大多伴随着株高、熟期、育性或粒重等农艺性状的变异。
The general genetic ability of the grain number per spike and the grain weight per spike reduced, but the narrow genetic of them increased.
穗粒数和单穗粒重的广义遗传力下降，狭义遗传力提高，但穗粒数的广义遗传力下降的幅度较大。
Result Variations of characters such as dwarfing of stalk, significant increase grain weight per spike etc were observed in SP1 generation.
结果在SP1代发现植株矮化、穗粒重显著增加等少数性状变异。
Maximum grain filling rate and grain weight increase were also achieved in the denucleation developing stage of most starchy endosperm cells.
去核化发育阶段籽粒灌浆速率最高，籽粒增重亦最快。
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.
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 correlation between the average grain weight of middle spikelets and lower spikelets and the grain weight per spike was highly significant.
中部以及基部小穗粒重与穗粒重之间呈高度正相关。
Inoculation tests showed that Hirschmanniella oryzae could cause yield losses of rice, especially reduced the number of panicles and grain weight.
接种试验证实潜根线虫侵染水稻能引起减产，主要是减少有效穗和千粒重；
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.
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。
Therefore, duly early harvest may raise the thousand-grain weight and sprouting rates reduce the protein content and give good color to the grain.
适时早收可提高干粒重、发芽率，降低蛋白质含量和达到理想的色泽。
The direct reasons which cause the yield rate are that the disease decreases the grain weight per panicle and increases the rate of diseased grains.
它对产量影响的直接原因是减少了单穗实粒重，增加了病粒率。
Therefore, high yield can be obtained only through promotion of grain weight for properly stable population, healthy individual plant in cultivation.
因此，栽培上应以适度稳穿的群体、壮个体、争促粒重获得高产。
It is suggested that photosynthetical production be increased in the middle and late stage of grain filling(15-20 days after flowering)to increase grain weight.
认为在高产育种和栽培中，应重视提高灌浆中后期（开花15～20天以后）的物质生产能力，提高粒重。
Grain weight is one of the most important components of grain yield and is controlled by quantitative trait loci (QTLs) derived from natural variations in crops.
粒重是作物产量的重要构成因素之一，由来源于自然变异的数量性状基因座(QTL)控制。
Potassium fertillizer increased grain number per ear, improved grain weight, improved stem pole substantial degree, strengthened the ability of resisting lodging.
钾素能增加穗粒数，提高粒重，提高茎秆充实度，增强抗倒伏能力。
Field plot tests indicates that there are remarkable differences in the loss rates of spike, thousand grain weight and output among different wheat varieties or lines.
田间小区试验表明，不同小麦品种(系)间的穗重损失率、千粒重损失率和产量损失率存在显著差异。
Field plot tests indicates that there are remarkable differences in the loss rates of spike, thousand grain weight and output among different wheat varieties or lines.
田间小区试验表明，不同小麦品种(系)间的穗重损失率、千粒重损失率和产量损失率存在显著差异。
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