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关于我国粘虫的发生规律问题,近年来发表了不少研究成果,特别是大发生虫源问题,引起了争论。陈瑞鹿(1962)、张彤文(1962)、林昌善(1963)、马世骏(1963)、邬祥光(1963)、陈永林(1963)、李光博(1964)等分别提出了东北、南方等地的虫源系自外地远距离迁飞而来的说法,但张履鸿(1961)、吴荣宗(1963)、石毓亮(1963)等则认为大发生的虫源来自当地。为了弄清这个问题,仅就河南许昌地区粘虫发生的情况及作者1957—1964年的试验调查结果,作为讨论资料,提供商榷。 一、粘虫在河南许昌地区越冬的可能性 根据历年调查试验资料说明如下。 1.少数蛹可能越冬 1956年冬和1957年春在郾城东关外河堤、公路两旁、荞麦、红薯地以及侧柏根际
On the law of the occurrence of Mythimna separata in our country, many research results have been published in recent years, especially in the case of large insect pests, causing controversy. Chen Ruilu (1962), Zhang Tongwen (1962), Lin Changshan (1963), Ma Shijun (1963), Wu Xianguang (1963), Chen Yonglin (1963) and Li Guangbo (1964) It has been said that Zhang Lvhong (1961), Wu Rongzong (1963) and Shi Yuliang (1963) thought that the source of the great insects came from the locality. In order to clarify this issue, only on the occurrence of armyworms in Xuchang, Henan Province and the experimental findings of the author from 1957 to 1964, as a discussion of information, provide a discussion. First, the possibility of armyworms overwintering in Xuchang, Henan Province, according to historical survey data as follows. 1. A few pupa may win the winter of 1956 and the spring of 1957 in Tancheng East off the embankment, the road on both sides, buckwheat, sweet potato and Platycladus rhizosphere