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。
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。
应用推荐