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.
無性系遺傳特性（即生物因子）是影響種子園産量的基礎條件；
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.
根據種子園親本數目與雌、雄球花産量的關系，建立數學模型，提出了一種評價種子園各親本配子貢獻的數量方法——平衡指數法。
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).
故可以通過選擇優良的直紋單株（優樹）建立無性系種子園，作爲良種生産的基地。