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近年夏花生蛴螬发生程度十分惊人,危害愈来愈重,因此使各地花生种植面积急剧下降。究其原由是没有准确掌握蛴螬的发生活动规律,防治时间不科学所致。众多资料在花生田蛴螬防治上普遍认为在花生播种期药剂拌种及药剂土壤处理,是没有任何科学依据的,因为此时蛴螬大部化蛹或羽化出土,田内无虫可治而无效。笔者通过近3年对蛴螬发生规律研究,证明6月中旬-7月上旬防治3遍成虫,7月中下旬采用药剂喷淋或撒毒土防治低龄幼虫,可使虫口基数下降86.8%~97.1%,保果率达81.4%~97%,产量提高3.8~5.8倍。
In recent years, the occurrence of peanut razor clams in summer is very alarming and the harms are getting heavier and heavier. As a result, the peanut acreage dropped sharply. The reason is that there is no accurate grasp of the rules of the occurrence of marsupials, prevention and treatment of unscientific time. Numerous data on the peanut fields 蛴 螬 prevention and control generally agreed that in the sowing of peanut seed dressing and pesticide soil treatment is no scientific basis, because at this time most 蛴 pupa or eclosion unearthed in the field, no worm can be cured and ineffective. The author through the past three years on the laws of the rule, to prove that from mid-June to early July 3 times prevention and control of adult worms in mid-to-late in July spraying sprinkling or sprinkling of soil poisoning prevention of young larvae, insect population base can be reduced by 86.8% to 97.1% , Fruit preservation rate of 81.4% ~ 97%, yield increased 3.8 ~ 5.8 times.