Study on the Biolog ic Character istics and Control ofM im e la specu la ris Ohaus
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1.
College of Forestry, South China Agricultural University, Guangzhou 510642, Guangdong, China
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Received Date:
2006-11-29
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Abstract
The biologic characteristics and control of M imela specularis in chestnut p lantations were studied. The resultsshowed that there was one generation per year forM. specularis. The adult emerged from the late February to the middleAp ril. It fed on tender leaf and bud, and madeserious damage on the growth of chestnut. The damege of the populationdensity was: light loam >medium loam > sandy loam; and weeds > crop s > shrubs, among different intercropp ing systems.The op timum soil water content that the scarab developed was 15% ～20%. 3 000 dilution 10% Imidaclop rid or 1 000dilution 25% Chlorfenapyr had good efficacies in terms of killing the adult, and Margosan2O or Rotenone had strongrepellent and antifeedant effects against the adult.
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