Those abnormal embryo sacs having abnormal fertility dued to no normal eggs, which caused seed setting rate to drop.
这些异常结构的胚囊由于没有正常的卵细胞，不能正常受精，影响子粒结实。
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。
In addition, the net photosynthetic rate at the filling stage was significantly and positively correlated with the seed setting rate.
此外，灌浆期净光合速率与结实率呈显著正相关。
Among the yield components, decreases in number of panicles per pot and seed setting rate were two main reasons for the yield reduction.
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。
Path analysis was studied about 141 accessions involving pollen fertility, anther dehiscence index, embryo sac fertility and seed setting rate.
对141份野生稻的花粉育性、裂药指数、胚囊育性和结实率进行通径分析。
In this paper the cross fertilities of hybrids was mainly studied. The results showed that the mean seed setting of Trigeneric hybrids was 20. 5%.
结果表明，以中间型小偃麦与小簇麦作为桥梁亲本获得三属杂种的结实率较高，平均为20．5％。
The crosses from forage rye and winter wheat were lower in seed setting rate(10.21%)and poor in compatibility, but the plumpness were higher(41.20%).
饲用黑麦和冬小麦杂交组合结实率（10.21%）低，亲和性差，但籽粒饱满度（41.20%）相对较高，远缘杂交结实率与籽粒饱满度之间相关关系不明显。
The seed setting rate has no obvious difference between autotriploid and autotetraploid, but it will rise with the increase of the self-bred generations.
③同源三倍体和同源四倍体之间的自交结实率没有明显的区别，结实率会随着自交代数的增加而上升。
The sterile plant with multiple stigmas had a high outcrossing percentage of seed setting because its multiple and long stigmas enlarged the area of pollination.
多柱头不育株，由于柱头多而长，接受花粉面积大，异交结实率高。
Seed setting of pollen after the treatment of the dehydration and storage was estimated by artificial pollinating. This paper was given the base for storing pollen .
同时采用人工授粉的方法研究了不同处理后桔梗花粉授粉结实能力的变化。
While significant correlation were observec between bulk of fresh root and seed setting rate, and with the effective per plant was significantly negatively correlated.
鲜根体积与结实率呈显著正相关，与单株有效穗呈显著负相关；
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。
There were extreme significant or significant levels to GCA and SCA, which were both effected by male-sterile lines, with the seed setting rate and filled grain per panicle.
结实率、着粒密度受不育系一般配合力效应、特殊配合力效应的影响均达到显著水平或极显著水平。
After low temperature stress, the seed setting rare of three stages were decreased, and the number of secondary branches significantly decreased, while other indexes were not remarkable... 3.
低温胁迫后，三个时期的结实率都较常温下的有不同程度的降低，二次枝梗在孕穗期较对照有明显减少，其他则变化不明显。
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.
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。
It was also observed that the "inter-grain apical dominance" in hybrid rice was stronger than its restorer, which might be one of the main reasons for low seed setting in hybrid rice combination.
强势粒对弱势粒物质摄取能力的优势，可能是杂交稻籽粒结实率低下的重要原因之一。
The study on the characteristics of development and seed setting of different spikelet and floret positions was important for the realization of big spike cultural goal with more spikelets and grains.
确定小麦不同小穗位和小花位发育与结实特性是实现大穗多粒的重要前提。
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.
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；
To search for the embryological evidences, the special reproductive phenomenon of seed-setting in intergeneric hybridization was surveyed by the Laser Scanning Confocal Microscopy (LSCM).
利用激光扫描共聚焦显微技术对属间杂交结籽的特殊生殖现象进行了观察研究，试图寻找其杂交结实的胚胎学证据。
There were highly significant differences in heading date, flowering date, plant height and number of seed-setting spikelets per head among different pairs of isogenic lines.
在不同对的近等基因系之间，抽穗期、开花期、株高、穗长和结实小穗数等五个性状有极显著的差异。
These methods such as withdrawal narrow neck of seed, setting feasible temperature field, cont rolling the crystal growth ratio and reducing vibration of machine are presented.
例如，通过缩细颈，布置合理的温场，控制晶体的生长速率和减少机械振动等方法。
To find the reason of low seed-setting of red Pitaya, it compared flower shape, pollen size and pollen viability between red pitaya and white pitaya flower.
本试验通过红肉火龙果和白肉火龙果花的外形、花粉粒大小和生活力的差异比较，探究红肉火龙果授粉结实率低的原因。
Results Difference exists among fruits from different habitats on setting-fruit number per plant and seed amount, 1000-grains weight, fruit grain weight and number as well as fruit diameter.
结果不同产区的桔梗在座果数、产籽量、千粒重、果粒重、果粒数及果长等方面存有差异。
Application can be completely resolved: the seat pocket of rice, stiff Miller, heading missing, the lower seed-setting rate;
施用后可彻底解决：水稻的坐兜、僵苗、抽穗不齐、结实率低下；
Application can be completely resolved: the seat pocket of rice, stiff Miller, heading missing, the lower seed-setting rate;
施用后可彻底解决：水稻的坐兜、僵苗、抽穗不齐、结实率低下；
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