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- It was suggested by pollen fertility analysis and chromosome behavior observation that seedless mutant in level of diploid was caused by non\|snapsis of monoploid chromosomes and pollen ster... 对该变异枝系的花粉育性和染色体行为观察结果表明 :辐射诱发染色体变异 ,分裂不正常 ,导致花粉和胚胎败育 ,产生二倍体水平的无核突变。
- PA content in the panicles of CMS line was lower than these in those of its maintainer line.Treatment with MGBG decreased Spd and Spm levels in both lines,and pollen fertility in maintainer line. 不育系幼穗多胺含量显著低于保持系幼穗, 外施MGBG使两系幼穗Spd和Spm含量下降, 并使保持系花粉育性降低。
- In the present experiment, pollen fertility and self-fertilized seed setting rate approved that the techniques were feasible and effective for safeguarding seed production of two-line hybrid rice. 通过不育系花粉育性和自交结实率的观测,证实了该技术的有效性。
- Spikelet fertility was controlled by embryosac fertility, pollen fertility and anther dehiscence. The latter two determined the number of germinating pollen on stigma and affected indirectly the fertilization of spikelets. 杂种的小穗育性主要受胚囊育性、粉育性及花药开裂特性所控制,后两者通过影响柱头上花粉的萌发量而决定小穗的受精。
- Study on Pollen Fertility in Transgenic Maize with Transgene of Zm13-Barnase 转Zm13-Barnase基因玉米的获得及其花粉育性研究
- It will be a fertility of year for much raining. 因为雨水多,今年会是丰产的一年。
- There is a high pollen count in the air. 空气中有很高的花粉计数。
- Studies on the Plant Morphology and Pollen Fertility of Somatic Hybrid between Microcitrus Papuana and Rough Lemon 澳洲指橘与粗柠檬体细胞杂种植株形态及其花粉育性研究
- Flowering and Pollen Fertility of an Interspecific Citrus Hexaploid Somatic Hybrid 柑橘种间六倍体体细胞杂种开花及其花粉育性
- It's rich there because of the fertility of soil. 因为土地肥沃,那儿很富裕。
- She is taking drugs to increase her fertility. 她为了增强她的生殖能力而在服药。
- The Variation of Pollen Fertility among the Spik elets at Different Panicle Positions of Zaohongtu A 早红突A不同穗位颖花花粉育性的变异
- Stamen is in the middle of a flower and may produce pollen. 雄蕊长在花的中央,能产生花粉。
- Study on Relationship Between Free Proline Content in Citrus Anther and Pollen Fertility 柑桔花药中游离脯氨酸含量与花粉育性的关系研究
- A microscopic fossil, as of a pollen grain or unicellular organism. 微体化石一种微小的化石,如花粉粒或单细胞有机体的化石
- The workers have little pollen baskets on their legs. 工蜂脚上有装花粉的小"篮子"。
- Anther is a part of a flower that contains the pollen. 花药是花的雄蕊上带花粉的部分。
- Effect of heat shack on pollen fertility and protein components of thermo-sensitive genie male sterile indica rice in the anther 热激对温敏不育水稻花粉育性与花药蛋白质组分的影响
- The innermost wall of a spore or pollen grain. 内壁孢子或花粉粒最深处的壁
- Pollen sterile blossoms lack normal turgor. 花粉不育的花朵缺乏正常的膨压现象。