黄冈专署为了总结治螟成绩和经验,研究越冬治螟工作,为明年进一步开展治螟工作打好基础,1965年10月25—31日召开了全区植保会议。参加会议的有全区植保干部,省农业厅、省农科所及专直有关单位也派人参加,共30余人。会议期间还传达了中央在长沙召开治螟学术会议的精神,听取了周咏曾厅长关于植保工作如何赶上新形势的报告。 会议首先分析1965年三化发生的特点及原因。1965年三化螟是一个大发生年,又是一个特殊发生年,为害特点是中间重两头轻,各代发生期普遍推迟。会议认为这主要是由于气候、栽培制度和越冬虫源基数增加等原田造成的。1965年晚春,由于平均气温较1964年低1—3℃,第一代发生 In order to summarize the achievements and experiences of controlling borer, Huanggang Agency researched the work of overwintering the larva and laid the foundation for the further development of the management of borers next year. On October 25-31, 1965, the whole region’s plant protection conference was held. Participants at the conference included all the plant protection cadres, the Provincial Department of Agriculture, the Provincial Department of Agricultural Science and the departments directly under the State Council, as well as more than 30 participants. During the meeting, the central government also convened the spirit of the academic conference on controlling stem borer in Changsha and listened to the report of Zhou Yongzeng’s chief executive on how the plant protection work caught up with the new situation. The meeting first analyzed the characteristics and causes of the occurrence of the third chemical in 1965. Borer borer in 1965 is a great year, but also a special year, the characteristics of harm is the middle of two light, the general postponement of the occurrence of each generation. The meeting concluded that this was mainly due to the protracted effects of climate, cultivation system and the increase of the number of overwintering insect pests. In the late spring of 1965, the first generation occurred because the average temperature was 1-3 ° C lower than in 1964