一、美国小麦秆锈病防治研究进展二、美国小麦叶锈病的防治研究进展三、美国小麦条锈病的防治研究进展(未完)(以上在本刊1985年第二期上发表)华盛顿州立大学植物病理系与美国农业部西北区禾谷类病害实验室合作负责美国西北地区小麦条锈病的防治研究.本项研究由R.Line博士主持,其任务和主要成果如下: First, the United States wheat straw rust prevention and control progress Second, the United States wheat leaf rust prevention and control progress Third, the United States wheat stripe rust prevention and control progress (unfinished) (more in this issue in 1985 second issue) Washington State University Plant Pathology Department of the United States Department of Agriculture and Northwest Crops Disease Laboratory Northwest United States responsible for the control of wheat stripe rust disease.This study was chaired by Dr. R.Line, its tasks and main results are as follows: