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在传统的育种过程中,产量与质量一直是一对矛盾。如何打破这种负相关规律,攻克这一难点,也一直是育种工作者的奋斗目标。近来美国 ARS 植物基因学家波顿(Burton)采用一种在动物育种过程中经常采用的限制指标选择法,育成一个大豆新品种,使其蛋白质含量从42％提高到46％,而且有较高的产量。在一定程度上,对蛋白质含量和产量的遗传学联锁关系有所突破。
In the traditional breeding process, the output and quality have always been a contradiction. How to break this negative correlation law and overcome this difficulty has also been the goal of breeding workers. Recently, the US ARS plant geneticist Burton adopted a method of selection of restriction index, which is often used in animal breeding, to breed a new soybean variety with the protein content increased from 42% to 46% and higher Production. To some extent, a breakthrough has been made in the genetic linkage between protein content and yield.