seed production orchard

基本解释

The clone's genetic train is the basic factor affecting seed production and quality of Chinese fir seed orchard.
无性系遗传特性（即生物因子）是影响种子园产量的基础条件；
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。
So it is possible to establish clonal seed orchard as the base of high quality seed production through selecting elite straight grain individual plant (superior tree).
故可以通过选择优良的直纹单株（优树）建立无性系种子园，作为良种生产的基地。