摘要
介绍玉米对钾的需要特点及需要量,论述玉米在各种时期缺钾的症状及表现,从筛选方法、筛选时期、筛选指标等方面,综述玉米耐低钾胁迫基因型自交系的筛选成果及现状,为耐低钾玉米新品种选育及解决我国土壤缺钾问题提供参考。
This article explains the need and requirement of maize for potassium, as well as the symptoms and manifestations of maize potassium deficiency in the various growth periods and reviews the researcfh findings and present state of screening of low potassium tolerance of inbred lines of maize from the perspectives of screening method, screening period and screening index with a view of providing reference for the breeding of new maize varieties tolerant to low potassium and the solution to our problem of soil potassium deficiency.
出处
《农业科技与装备》
2014年第7期1-2,共2页
Agricultural Science & Technology and Equipment
关键词
耐低钾
玉米自交系
缺钾
筛选体系
症状
low potassium tolerance
maize inbred lines
potassium deficiency
symptoms
selection system