seed orchard

常見例句

It gives an index of seed quality which is suitable to evaluate seeds from Chinese fir seed orchard.
同時，本文還提出了適于評價杉木種子園的種子品質(zhì)指標。
The mathematical model is established on the basis of the relation between the number and the production of male and female flowers of parents in seed orchard.
根據(jù)種子園親本數(shù)目與雌、雄球花產(chǎn)量的關系，建立數(shù)學模型，提出了一種評價種子園各親本配子貢獻的數(shù)量方法——平衡指數(shù)法。
Seed orchard is the most important population of seed production and improvement, which construct the bridge of breeding between the forest breeding and seed production.
種子園是生產(chǎn)改良種子的重要途徑，它搭建了育種與育林的橋梁，其子代的遺傳多樣性將直接影響到人工林群體的穩(wěn)定性和適應性。