新疆红花白粉病的发生与为害近年新疆各地红花白粉病为害较重，并有逐年加重的趋势。１９９２年我们在伊犁霍城县调查，发病株率达１０％～２７％，造成红花落叶早衰，植株生长不良，为此，我们对该病进行了初步研究。症状红花幼苗至成株期均可受害，但主要发生在５～６月... Occurrence and damage of powdery mildew in Xinjiang safflower powdery mildew around Xinjiang in recent years, more serious damage, and increasing year by year trend. In 1992, we investigated in Huocheng County, Yili County, and the incidence rate was 10% -27%, causing premature decay of safflower leaves and poor plant growth. Therefore, we conducted a preliminary study on this disease. Symptoms safflower seedlings to adult stage can be affected, but mainly occurs in May to June ...