查询词典 controlled pollination

Under nature pollination condition,the fruiting rate is about 2%by self-fertilization, and heterosis of character of tea plant filial generation is unavoidable due to the limitation of its self-fertility.

茶树虽然是异花授粉植物，但自花结实率一般为2%左右，要想利用杂种第一代，需要采取隔离等措施。

Self-pollination, and subsequently self-fertilization, in orchards always takes place to some extent.

在果园中，常常有某种程度的自花传粉和随后地自花授精。

Many flowers are capable of self-fertilization if pollination fails, and a few species do it regularly.

许多花可以在授粉失败后进行自花受精，其中有些种类定期进行此过程。

Self-pollination, and subsequently self-fertilization, in orchard s always takes place to some extent

在果园中，常常有某种程度的自花传粉和随后地自花授精。

Small size, short life cycle, self-pollination, and high seed number, andfavorable genetic traits such as self-fertilization, a small genome, efficienttransformation, and mutagenesis.

本文采用RAPD 技术分析了盐芥居群的遗传多样性，从400 余个随机引物中筛选出了23 个扩增性强、重复性好、带型明显、多态性高的引物对盐芥居群进行分析。

The mean number of pollen grains per stigma ranged from 5 to 18, most of which were from self-pollination.

花柱头上的平均花粉量为5～18个，但主要为来自自花的花粉。

Some orchids mainly or totally rely on self-pollination, especially in colder regions where pollinators are particularly rare.

一些兰科植物主要或者完全依赖于自花传粉，尤其在一些比较冷而且传粉昆虫特别稀缺的地区。

A cytoplasmic male sterile line GDS in Maize and its maintainer BG were selected from segregation of self-pollination.

通过杂种后代的自交分离，选育成新的细胞质雄性不育系GDS及其相应保持系BG。

The transformation frequency as determined by PCR reached 3.18%during 6～8 h period after self-pollination.

在此条件下转化大豆，转化率达到3.18%。

Rice is to be the root system, adventitious roots developed for conical panicle inflorescence, self-pollination.

水稻属须根系，不定根发达，穗为圆锥花序，自花授粉。

Panorama Many people are dancing in a large sitting room.

在一个大客厅里，许多人在跳舞。

We fully understand how a microwave oven cooks food, it is first necessary to talk ...

我们充分理解一个微波炉煮的食物，这是首先要谈。。。