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在众多的玉米自交系中,有一部分常表现生活力低下,生长势不强,花粉量少,给玉米育种和生产制种带来许多不利因素,但这些弱自交系却又是我们育种和生产中重要的玉米育种资源,有很高的配合力或特殊配合力,是很好的育种材料。为了充分发挥它们的资源作用和生产潜力,为生产服务和创造更好的经济效益,很有必要加以合理利用。本文根据在生产过程中的育种栽培经验,结合这些好的自交材料的自身弱点,提出合理利用的途经。
In many maize inbred lines, some of them often show low vitality, poor growth potential and low pollen amount, which bring many unfavorable factors to maize breeding and seed production. However, these weak inbred lines are our breeding And production of important maize breeding resources, with a high ability or special combining ability, is a good breeding material. In order to give full play to their resource role and production potential, to produce services and to create better economic benefits, it is necessary to make rational use of them. Based on the experience of breeding and breeding in the process of production, this article puts forward the ways of rational utilization by combining the weaknesses of these good self-bred materials.