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1·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。

2·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。

3·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。

4·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。

5·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。

6·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。

7·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。

8·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；

9·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。

10·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。