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１９９６年陇东冬麦区黄地老虎暴发为害原因浅析１发生概况１９９６年３月下旬，甘肃陇东黄地老虎越冬代幼虫突发成灾，严重为害冬小麦返青嫩苗。在短短的１０多ｄ内发生面积由起初的３万多ｈｍ２，扩展到１７万多ｈｍ２，占该地冬小麦总面积的５０．８％，其中达到防治指...
Analysis of the reasons for the outbreak of yellow tiger tiger in Longdong winter wheat area in 1996 An overview of the occurrence of a tiger outbreak occurred in late March 1996 in Gansu Longdong yellow tiger overwinter larvae sudden disaster and seriously damaged winter wheat greening tender. In a short period of 10 d occurred within the area from the initial more than 30,000 hm2, expanded to more than 17 million hm2, accounting for 50.8% of the total area of the winter wheat where the prevention and cure ...