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- outcrossing seed set of female parent 母本异交结实
- It seems that cleistogamous flower may allow the plant to reproduce and assure some seed set even in conditions of unfavorable habitat.Chasmogamy sire outcrossing seeds to adaptive new habitats. 即使在不利生境中;闭锁花也能保障植物繁殖和一定的种子产生.;而开放花则产生更多的异交种子以适应新的生境
- The outcrossed seed setting rate was high at 48.8% in its multiplication plots and 54.1% in its hybrid seed production plots. 异交结实率较高,繁种田结实率为48.;8%25,繁制种产量高;
- Outcrossing seed set 异交结实
- The remaining 128 suffered some degree of lowered seed set. 剩下的128株,种子产量有不同程度的减少。
- Backcross with c ommon wheat had completely no seed set. 用普通小麦回交,未获得回交后代。
- The results show that paclobutrazol and B9 improved seed set and increased the flowers in next year. 结果表明,多效唑和B9能够明显提高坐果率,有效增加来年成花数量。
- the rate of abortive pollens was 99.97%; the outcrossed seed setting rate was 45.5%; the stigma exsertion rate was 87.1% with 56.5% of double-stigma exsertion rate. 该不育系农艺性状稳定;株型较好;不育株率达100%25;花粉败育率达99.;97%25;柱头外露率87
- Cytogenetical comparison was made between high seed set restorers TP-4 and D minghui63 and eminent maintainer line D46B of autotetraploid rice. 以高结实率的同源四倍体水稻恢复系TP-4和D明恢63及优良保持系D46B为材料进行细胞遗传学研究。
- There was a great direct positive effect of grains per panicle on seed set in IJv hybrids.The increase of seed set of IJv hybrids mainly depended on more grains per panicle. 每穗实粒数对籼爪交杂种结实率的直接正效应大,籼爪交杂种结实率的提高主要依赖每穗实粒数的增加,而其它性状的选择和改良作用不大。
- The Pearson's correlation analysis shows that seed set is contributed by three main parts: normal embryo sac, small embryo sac with normal pattern and embryo sac with antipodal proliferation. 相关分析表明,同源四倍体水稻结实主要来自3部分:正常胚囊、正常型小胚囊和反足细胞增殖型胚囊。
- Aim Character Disquisition on Close-general The Seed Set of Outcrossing Sterile Line 近常异交水稻不育系目标性状研究
- It is now our aim to set up a factory. 我们现在的目的是创办一座工厂。
- The Quantities of Seed Setting in Fenced and Freely Grazed Areas in Stipa baicalensis Steppe, Inner Mongolia. 贝加尔针茅草原围栏封育和自由放牧条件下植物结实数量的研究。
- The panicle seed setting rate is mainly confined by secondary branch seed setting rate, and they have significantly positive correlation. 结实率主要受控于二次枝梗结实特性,育种上要从结实率角度挖掘水稻的增产潜力,就要着重考虑选育二次枝梗结实率高进而结实率高的品种。
- The low seed setting percentage is the most important reason that limits the application of the autotetraploid rice. 同源四倍体水稻结实率偏低是影响其在育种中直接应用的重要原因。
- The 1 000-grain weight and seed setting rate improved with the increase of diammonium phosphate. 增加磷酸二铵的施用量,水稻的千粒重和结实率也随之提高。
- Meanwhile the genotype with more grain number was also physiologically based on higher seed setting rate. 同时大穗多粒基因型也以较高的可孕小花结实率为生理基础。
- The comprehensive factors resulting in the low seed setting rate of wide rice in Gaozhou were discussed in this paper. 本文对导致结实率偏低的综合因素进行了讨论。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。