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小麦赤霉病在我国长江中下游和西南各省是常年流行区,这些地区对此病的研究已有较长的历史,因此目前国内文献上对赤霉病的记载,大多引自这些地区。华北地区过去很少发生此病,80年代以来也常有发生,造成一定的减产。1985年河南全省赤霉病大发生,引起有关方面的注视,并开展了多方面的试验研究,作者在历时4年的研究工作中发现,此病在河南省的发生和流行有其地区性的特点,至少以下几点与目前出刊记述有不同之处。
Wheat scab is a perennial endemic area in the middle and lower reaches of the Yangtze River and the southwestern provinces in our country. The research on this disease has a long history in these areas. Therefore, most of the literature on scab in China has been cited from these areas. In the past, this disease rarely occurred in North China, and it has also occurred frequently since the 1980s, resulting in a certain decrease in output. Heilongjiang Province in 1985 a large scale blight occurred, causing the attention of the parties concerned, and carried out a wide range of experimental studies, the author in a lasted 4 years of research found that the incidence of the disease in Henan Province has its regional The characteristics of at least the following points and the current publication describes the differences.