查询词典 apomixis

According to the formation of the apomitic embryos, apomixis could be divided into three major types: diplospory, apospory and adventive embryony.

按其胚体发生的途径，无融合生殖可分为二倍体孢子生殖、无配子生殖和不定胚生殖三种类型。

Apomixis,wide compatibility,allopolyploidization were used to select allopolyploid rice and enlarge its range of inheritance and variation,and increase its output,quality and resistance to disease and pest by a big margin.

通过无融合生殖、广亲和、异源多倍体化的利用，选育异源多倍体水稻，增加它的遗传变异范围，大幅度提高水稻的产量、质量和抗性。3。

It was suggested that the capacities of parthenogenesis and apogamy of rice were used to obtain stable lines in early hybrid generations.And several characteristics such as apomixis,cleistogamy,superior genes of qualities and resistance to disease and pest were combined and were used to search a new pathway of selecting high yield,superior quality and heteroresistance to diseases and pest,and lead to realize the purpose of fixing heterosis by apomixis.

利用水稻的孤雌生殖和无配子生殖能力，获得早世代稳定品系，建立快速育种方法，把无融合生殖特性与闭颖授粉、优质、抗性等特性结合探索高产优质多抗育种新途径，逐步实现利用无融合生殖固定杂种优势的目的。2。

This paper presents a brief review of the current status of knowledge in the main fields of apomixis research.

目前大量的研究都在设法将无融合生殖作为一种重要的植物育种手段。

This is a form of APOMIXIS.

这是一种单性生殖。

The current state of knowledge on the molecular and genetic basis of apomixis is reviewed.

本文对植物无融合生殖遗传机理和分子机理的研究进展作了综述。

It includes new chapters on extra chromosomal inheritance and the mode of reproduction particularly apomixis in plants as well as new sections on the molecular basis of heredity, genomic in situ hybridization, and the classical and molecular method of genome analysis.

天气包括关於染色体继承和再生的模式apomixis在植物以及新部分的特别是关於遗传的分子基础的特别的新章，在原处的genomic是杂交和基因分析的古典和分子方法

In this paper,a list of apomitic species of Paspalum is given.The cytological and embryological bases,and the characters of apomixis are described.Advances in genetics and molecular biology of apomixis aye in Paspalum also reviewed.

对雀稗属无融合生殖的分布、无融合生殖相关的细胞学和胚胎学基础、无融合生殖的特点及其遗传学和分子生物学研究进展进行了综述。

Apomixis provides a unique opportunity to fix and utilize hybrid vigor. A number of research programs around the world have tried to use apomixis as an important plant-breeding tool.

无融合生殖是指不经过雌雄配子融合而产生种子的一种特殊生殖方式，能使基因型的杂合性得以保持，从而可以固定杂种优势，对作物育种具有极其重要的意义。

See apospory; apomixis.

参见 apospory； apomixis 。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。