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1984年农作物主要病虫鼠害将是中度发生年份。麦蚜黄矮病、麦红蜘蛛、叶蝉、红黄矮病的发生较上年偏重;小麦条锈病、粘虫的发生较上年偏轻;农田鼠害及地下害虫的发生程度接近去年。 1.麦蚜、黄矮病。预计今年酒泉、张掖地区中度偏重发生,武威、天水、武都、平凉、庆阳、定西等地中度发生,临夏及其它地区中度偏轻发生。 2.小麦条锈病。预计今年在武都地区、天水地区及临洮等地中度流行,其中局部川水、川塬地区中度偏重流行,平凉、庆阳地区,临夏州以及兰州市等地中度偏轻流行。 3.粘虫。预计今年陇东地区粘虫中度偏轻发生,中部地区除兰州市小发生,临洮、陇西中度发生外,其他地方中度偏轻发生;天水、武都两地大部中度发生,局部川水区中度偏重发生。 4.麦红蜘蛛。预计今年平凉、庆阳、武都、定西等地区麦红蜘蛛中度发生,天水地区中度偏轻发生。
Major Pests and Diseases of Crops in 1984 Will Be Moderate Years of Occurrence. Wheat aphids yellow dwarf, wheat spider mites, leafhoppers, reddish yellow dwarf disease occurred more emphasis on the previous year; wheat stripe rust, armyworms occurred slightly lighter than the previous year; farmland rodents and pest occurrence close to last year. Wheat aphids, yellow dwarf disease Expected this year, Jiuquan, Zhangye Prefecture moderate emphasis occurred, Wuwei, Tianshui, Wudu, Pingliang, Qingyang, Dingxi and other places occur moderately, Linxia and other areas moderate to moderate occurrence. Wheat stripe rust This year, it is expected to moderately prevail in the Wudu Prefecture, Tianshui Prefecture and Linqu, among which local Chuanshui and Chuan-Yuan areas will be moderately prevalent, and moderately light in areas such as Pingliang, Qingyang, Linxia and Lanzhou. 3 armyworms. It is estimated that armyworms in eastern Gansu will be moderately moderate this year. In central China, moderate incidence occurs in some areas, except Lanzhou City, Linqu and Longxi. Chuanshui moderate emphasis occurred. 4 wheat red spider. Expected this year, Pingliang, Qingyang, Wudu, Dingxi and other areas of wheat spider mite moderate occurrence, Tianshui region moderately moderate occurrence.