查询词典 apomictic

Third,apomictic rice and C4 crop,were crossed to create new allopolyploid cultivars with high photosynthetic efficiency.

无融合生殖水稻和C4作物杂交创造高光效异源多倍体新作物。

1Both sexual and apomictic embryo sacs were co-existed which belonged to facultative apomixis.

2在有性生殖胚囊中，可观察到完整的八核胚囊。

Crosssing apomictic rice and C4 crop,such as Sorgum,Trapsicum and Panicum maximumespecially by somatic hybridization and gene engineering technique to create new varieties with characteristics of apomixis and high photosynthetic efficiency.

利用无融合生殖水稻与无融合生殖高光效的C4作物，如高粱、摩擦禾、木黍等杂交，特别是体细胞杂交和基因工程技术，创造具有无融合生殖特性高光效作物新品种。

Due to the causes such as polyploidy and self-incompatibility, the plants of Paspalum, with the greatest number of apomictic species, show much complex and various reproduction characteristics.

由于多倍体的存在及有性生殖的自交不亲和等原因，雀稗属植物表现出复杂多样的生殖特性，是禾本科中具备无融合生殖特性种类最多的属。

Due to the causes such as polyploidy and self-incompatibility,the plants ofPaspalum,with the greatest number of apomictic species,show much complex and various reproduction characteristics.

由于多倍体的存在及有性生殖的自交不亲和等原因，雀稗属植物表现出复杂多样的生殖特性，是禾本科中具备无融合生殖特性种类最多的属。

The occurrence of apomictic reproductive structures on the leaf of the bog orchid, is of interest

有趣的是在叶状沼兰叶子上发生无融合生殖的结构。

New apomictic plants are enumerated. Genetic mechanism is summarized. The problems in this field and development prospects are discussed.

本文对近几年来无融合生殖新种质资源的发现、主要研究方法、遗传机制和相关基因等方面的最新进展作了介绍，并对无融合生殖研究中存在的问题和发展前景作了讨论。

Where species form apomictic clones that are very difficult to distinguish from each other, they are termed aggregate species, e.g.

从单性生殖系产生的物种极为相似，几乎无法分辨，这被称为复合种。

The temptation to recognize apomictic microspeciesas taxonomic species is far greater.

把无融合生殖小种作为分类学上的种来承认，这点具有更大的迷惑性。

The apomictic research progress in plants is summarized, including the approaches of fixing heteroses, selecting and breeding of plant varieties and apomictic materials, embryology, genetics, apomictic characteristics and so on .

介绍了植物无融合生殖在选育无融合生殖品种及育种材料方面的成果；概述了植物无融合生殖在胚胎学、遗传学及生殖特性，杂种优势固定途径及无融合生殖材料选育途径等方面研究的现状和趋势。

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。