结实率低是限制该品种发挥增产潜力的主要限制因素。
The main limited factor of increasing yield was fruit rate too low.
五脉山黧豆的传粉系统不完善和虫害是结实率低的主要原因。
The faultiness of breeding system and pests destroying cause the low seed-set rate.
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。
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.
吉祥草花器官发生发育过程中出现雌蕊群发育停滞现象，以及吉祥草在小孢子及胚珠发育过程中出现败育情况，可能是吉祥草属结实率低的重要原因。
The stasis phenomenon of gynoecium development occurred in floral organogenesis of Reineckia and the abortion of microspore and ovule may be the important causes of its low seed bearing ratio.
与二倍体对照相比，同源四倍体材料的花粉育性、结实率均不同程度下降，尤其低代材料的花粉育性59。
Compared with diploid control, the pollen fertility and seed set of autotetraploid declined dramatically, especially in preliminary generations, and they were only 59.
另外，经分析可知，强迫自交的结实率比自由授粉的结实率要低。
In addition, the analysis showed that the forced self-setting rate is lower than the free pollination.
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 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 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%).
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