1) sexual propagation group
有性繁殖群体
2) effective population size (Ne)
有效繁殖群体数
3) spawning stock
繁殖群体
1.
Hydroacoustic measurement of spawning stocks of Megalobrama hoffmanni in Qingpitang reach of Xijiang River;
青皮塘产卵场广东鲂繁殖群体的水声学探测
4) breeding population
繁殖群体
1.
Two breeding population of mirror carp that one is in National Level Tianjin Huanxin Quality Fish Farm an other one is in Songpu Fishery Station of Heilongjiang Fishery Institute were analyzed by those markers.
利用扩增效果好、在群体中具有多态性的28个微卫星标记,检测国家换新良种场的镜鲤繁殖群体和黑龙江水产研究所松浦实验场的镜鲤繁殖群体的遗传组成,计算了两个群体的有效等位基因数,期望杂合度和多态信息含量等遗传参数,换新与松浦两个群体的有效等位基因数分别为2。
2.
The Tylototriton kweichowensisin was recaptured after marked in breeding season According to the calculated results based on Schumacker-Eschmeyer formula, the density of breeding population ranged from 64 to 134 Tylototriton kweichowensisin per ha and the ratio of female to male was 1 : 2.
对处于繁殖期的贵州疣螈(Tylototritonkweichowensis)进行标志重捕,用Schumacker-Eschmeyer公式进行计算,得出贵州疣螈繁殖群体在毕节市得厚乡一样地内密度的变异幅度为64~134只/hm2,雌雄比例为1:2。
6) sexual propagation
有性繁殖
1.
The variation and correlation analysis among the characters relating to sexual propagation in Leymus chinensis;
羊草有性繁殖相关性状的变异和相关分析
2.
Methods To observe its seed germination, seedlings, sexual propagation, and prevention and cure of plant diseases and insect pests in the field.
方法观测种子发芽、出苗、有性繁殖及大田病虫害防治。
3.
This paper analysed the characteristic of sexual propagation,the establishment of seed orchards and seed production areas and advance of vegetative propagation of teak at home and abroad.
文章对国内外柚木良种繁育概况进行了综述,分析了柚木有性繁殖的特点、国内外柚木种子园和母树林的营建以及国内外柚木无性繁殖的发展。
补充资料:有性繁殖
有性繁殖
sexual reproduction
通过两性细胞结合,形成新个体的一种繁殖方式。在此过程中,一般包括有三个阶段:①是两个带细胞核的原生质体相互结合为同一个细胞的阶段,即所谓质配;②是由质配所带入同一细胞内的两性核的结合,即核配;③由于相互结合的两个性细胞,通过核配成为二倍体细胞,所以在核酸前后还有一个染色体减半,即减数分裂阶段,才能使后代个体的染色体数目与亲体一致。根据两性配子之间的差异程度,又将这种有性生殖分为三种类型:①同配生殖;②异配生殖;③卵式生殖。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条