Forecast of alfalfa yield losses caused by leaf spot disease

摘要：

Introduction The elationship between the disease index(x) and yield loss rate(y) was investigated to evaluate the effects of leaf disease index in seven alfalfa ( Medicago sativ a) varieties with different disease‐resistance on yield.

关键词： alfalfa leaf spot disease disease index yield loss forecast

作者: Zeng Liang Yuan Qing-hua

作者单位: Institute of Animal Science,CAAS,Beijing,China

会议类型: 国际会议

会议名称: 2008世界草地与草原大会

会议地点: 呼和浩特

会议语种:英文

在线出版日期: 2008-06-29（万方平台首次上网日期，不代表论文的发表时间）