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黄岩县农业局王三槐来稿,对该县席草害虫尖翅小卷蛾(过去误定为席草(虫民))发生的代次提出不同的看法。黄岩县席草老产区,早在一九六三年就有人研究席草病虫害,一九六九年、一九七四年和一九七六年曾先后发表过文章和总结材料,认为席草(虫民)在该县发生的代次为六代(一九六九年的材料)和十代(一九七六年的材料)。王三槐从一九七九年开始从事该项虫害的研究观察工作,他在有关农科站、大队植保员以及县日杂公司同志的帮助下,通过二年的观察分析和验证,认为过去六代和十代的分析有值得商榷的地方,他认为应当
Huangyan County Bureau of Agriculture Wang Sanghuai draft, the county seat grass pests Po-winged small-headed moth (in the past mistaken for mat grass (insects)) took place on behalf of the different views. As early as 1963, grass-growing pests and diseases in the grassy grassy area of Huangyan County were studied. As early as 1963, articles and materials were published successively in 1969, 1974 and 1976, Grasses (insects) occurred in the county on behalf of six generations (1969 material) and ten generations (1976 material). Since 1979, Wang Sanhuai has been engaged in research and observation on the pest, and with the help of relevant agricultural stations, grassroots plantators and County Sundown comrades, through two years of observation and analysis and verification, he believes that in the past six generations And the analysis of the ten generations is questionable, he thinks it should be