seed orchard

常见例句

It gives an index of seed quality which is suitable to evaluate seeds from Chinese fir seed orchard.
同时，本文还提出了适于评价杉木种子园的种子品质指标。
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.
根据种子园亲本数目与雌、雄球花产量的关系，建立数学模型，提出了一种评价种子园各亲本配子贡献的数量方法——平衡指数法。
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.
种子园是生产改良种子的重要途径，它搭建了育种与育林的桥梁，其子代的遗传多样性将直接影响到人工林群体的稳定性和适应性。