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- Studies on the Formation Date of Pollen Tube Way of Wheat 小麦花粉管通道形成时期的研究
- A serologic reaction retards the growth of the pollen tube. 血清反应阻止花粉管生长。
- When a pollen grain germinates, a pollen tube pushes its way out through an aperture in the pollen grain wall,and the nuclei migrate into the tube. 生殖细胞核分裂,形成两个仅由细胞核和细胞质构成的精子,其中一个将与卵受精,另一个则与极核融合形成胚乳核。
- Another case is that pollen tube of self-pollen grows Slowly. 花粉管生长慢。
- Pollen tube is defined as the tube through which pollen passes into the ovary. 花粉管定义为花粉进入子房的管道。
- The tube nucleus disintegrates as the pollen tube penetrates the nucellus. 另外的粉管核会在花粉管穿过珠心时发生分裂。
- Generative cell One of the haploid cells in the POLLEN TUBE of seed platns. 生殖细胞:是位于种子植物花粉管中的一个单倍体细胞。
- The coated vesicles in the growing pollen tube are secreted from golgi body. 生长中的花粉管的被膜小泡可由高尔基体分泌形成。
- A minute opening in the ovule of a seed plant through which the pollen tube usually enters. 珠孔种子植物胚珠上的小开口,通常花粉管由此进入胚珠
- Cortical microtubules and spiny vesicles appear in the cytoplasm after germination of the pollen tube. 花粉萌发后,细胞质中出现周质微管和被刺小泡,此期细胞器的变化不明显。
- Studies on Pollinating Habit and Pollen Tube Growth Course of Lagerstroemia indica L. 紫薇受粉习性及花粉管生长的研究。
- THE EFFECT OF CYCLOHEXIMroE AND ACTINOMYCIN D ON POLLEN GERMINATION AND POLLEN TUBE GROWTH OF PINUS BUNGEANA AUCC. 放线菌酮和放线菌素D对白皮松花粉萌发和花粉管生长的调控作用
- Pollen tube entered one synergid, and released two sperms between egg and central cells. 精子脱掉细胞质鞘后,形成精核与细胞质体;
- And the breakage of RER is another resource of coated vesicles in the growing pollen tube. 另外还观察到内质网的碎裂也是荞麦花粉管中产生被膜小泡的一种机制。
- Pollen of Torenia fournieri is two-celled and the division of generative cell occurs in the pollen tube. 摘要蓝猪耳是二细胞型花粉,生殖细胞在花粉管中分裂形成两个精细胞。
- It takes about 0.5 h for a pollen tube from germination to arrive at the micropyle. 授粉后0.;5小时左右;花粉管进入一个助细胞;释放精子;
- In the newly formed pollen tube,the coated vesicles mainly come from the pollen grain. 刚刚形成的花粉管中,被膜小泡主要来自于花粉粒营养细胞的细胞质。
- The process of pollen tube growth involves many aspects,especially the dynamics of the cytoskel-eton and cytoplasmic movement. 花粉管的生长过程包括许多方面,其中最为重要的是花粉管细胞骨架动态和胞质运动。
- In the second year, the resting pollen tube revives its activity in the nucellus towards the March. The two unequal male gamete formed in the April. 第二年三月,休眠的花粉管在珠心内恢复活动,四月形成二个不等的雄配子。
- Microinjection experiment showed that Lily pollen tube elongation was inhibited by microinjecting human anti-human FAK antibody . 借助显微注射技术,利用抗体-抗原反应的专一性,向百合花粉管内注射不过膜的FAK抗体,研究其对花粉管伸长生长的影响,结果为:显微注射FAK抗体与其对照相比显著抑制花粉管的伸长。