propagation coefficient

常见例句

It has the advantage of stable seed-setting and multiple grain leading to the improvement of propagation coefficient.
多子房性状可有效提高小麦的繁殖系数，在提高小麦杂交种繁育制种效益方面具有巨大前景。
Studies were made on the vegetative propagation coefficient and cormels biological characters using eighth-excision in different development phase of Lycoris radiate.
在红花石蒜不同生长发育期进行八分法切割繁殖，研究无性繁殖系数和子球生物学性状差异性。
The affinity of self-incompatibility in the mustard family affects the purity of hybrid seed and the propagation coefficient of stock plant.
十字花科自交不亲和性的大小关系到杂交制种的纯度和原种的繁殖系数。