摘 要 :1982—1987连续5年,每年分3个播期,对23个小麦品种(品系)进行定位小花注滴接种菌液诱发赤霉病,统计其发病小穗数,利用 Tai G.C.C.(1971)所提出的分析方法,估测和分析了各种供试品种(品系)对赤霉病抗扩展性的稳定性参数,并研究了其中6个抗性不同的品种(品系)病小穗扩展的进程。其结果:(1)环境对品种感染赤霉病有较大影响,但品
Abstract:Scab(Gibberella zeae(Schw.)Petch)was inducted by injecting inoculation suspen-sion into soiented spikelets in 23 varieties of wheat(T.aestivum L.)for 3 sowingtimes each year during 1982-1987,Stability parameter of spreading resistance toScab for each variety(or strain) was evaluated and analysed by