Occurrence Law and Control Technology of Guapholitha molesta Busck in Harbin Pear Orchard(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Occurrence Law and Control Technology of Guapholitha molesta Busck in Harbin Pear Orchard

Author(s):: HAN Ji-long¹; 2; GAO Qing-yu¹; 1.College of Horticulture,Northeast Agricultural University,Harbin,Heilongjiang 150030；
2.Horticulture Branch,Heilongjiang Academy of Agricultural Sciences,Harbin,Heilongjiang 150069

Keywords:: Guapholitha molesta Busck; regularity of outbreak; prevention and control technology

Abstract:: Taking the area of Harbin pear as research object，the occurrence law and control technology of oriental fruit moth were investigated and studied. The results showed that Harbin area Grapholitha molesta occurred 3-4 generations a year, from late June to last ten days of September, the time was long, the harm was great; the June to late July, was a large number of larvae occurrence period, and also was the important time of the harm, should pay special attention to prevention and treatment.

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Last Update: 2014-12-12