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受气候异常影响,今年小麦条锈病呈重发态势。据各地监测,西北、西南麦区发病时间均比去年提早10-55天。截至2月5日,全国小麦条锈病已在7省(市)223个县发生,面积达1130万亩,比去年同期增加460多万亩。其中,冬繁区冬季发病450多万亩,比1月20日增加近200万亩。甘肃、宁夏等西北部分秋苗发病是1990年以来最严重的年份,四川、贵州等西南冬繁区冬季发病明显重于常年。专家分析,今年小麦条锈病可能在全国大流行,防控形势异常严峻。
Affected by the anomalous climate, wheat stripe rust is in a recurrence this year. According to various monitoring, the onset time in Northwest and Southwest Wheat Areas was 10-55 days earlier than last year. As of February 5, the nationwide stripe rust of wheat has occurred in 223 counties of 7 provinces (municipalities), covering an area of 1130 mu, an increase of more than 460 mu from the same period of last year. Among them, winter and winter incidence of more than 450 million mu in winter than January 20 increased nearly 200 acres. The incidence of autumn seedlings in the northwestern part of Gansu, Ningxia and other parts of the world is the most serious since 1990. The winter onset in the southwestern winter and winter winters in Sichuan and Guizhou is obviously heavier than in normal years. Expert analysis, this year wheat stripe rust may be a pandemic in the country, the situation of prevention and control is extremely serious.