pollen grains germinate directly on the stigma例句翻译_写作句库

pollen grains germinate directly on the stigma

1.During the process of fertilization, pollen lands on the stigma, a tube grows down the style and enters the ovary.

授精的过程中，花粉到达柱头，花柱低下来进入子房。收藏指正

2.Observations on the sex of Aleurites montana, the flowering peroid, the period of pollen receptivity of the female flowers and the germination rate of the pollen grains were carried out. Results revealed 2 different types of A.

本文就浙南地区实生千年桐的性别、开花物候期、花粉发芽和雌花可授期及不同授粉方式座果率进行了初步观察研究,结果表明:实生千年桐有雌株和雌雄同株之分,两者比例相近。收藏指正

3.The pollen grain germinates on a special extension of the carpel, the stigma, and double fertilization results in a diploid zygote and triploid (usually) endosperm nucleus.

花粉粒在柱头上萌发，双受精导致双倍体的合子和三倍体的胚乳形成。收藏指正

4.transfer of pollen from the anther to the stigma of a plant.

花粉从花粉囊传递到植物的柱头上。收藏指正

5.fertilization by transfer of pollen from the anthers to the stigma of the same flower.

花粉从一朵花的花粉囊传到同花的柱头上。收藏指正

6.2) The incidence of pollen grains abortion is 40.48±2.33%.

2)花粉败育率为(40.48±2.33)%;收藏指正

7.A Pre Lirainary Study on Airborne Pollen Grains of Harbin Region

哈尔滨市空中花粉研究初报收藏指正

8.Of or relating to a flower in which the stigma is receptive before the pollen is shed from the anthers of the same flower.

雌蕊先熟的花中柱头在该花花药释放花粉以前就有接受能力的或与此有关的收藏指正

9.To transfer pollen from an anther to the stigma of(a flower).