Establishment of the biological control system by black ant, Dolichoderus thoracicus (Smith) (Hymenoptera: Formicidae) and mealybug, Cataenococcus hispidus (Morrison) (Homoptera: Pseudococcidae) against the cocoa pod borer, Conopomorpha cramerella (Snellen) (Lepidoptera: Gracillariidae) in North Sumatera, Indonesia.

• 主要作者: Saleh, Ahmad
• 格式: Thesis
• 语言: 英语
• 出版: 2011
• 主题: QH1 Natural history (General - Including nature conservation, geographical distribution)
• 在线阅读: http://eprints.usm.my/42965/

Satu kajian untuk pewujudan Dolichoderus thoracicus (semut hitam) dan kutu putih (Cataenococcus hispidus) sebagai agen kawalan biologi untuk mengawal Pengorek Buah Koko (PBK) (Canopomorpha cramerella) dilakukan di ladang koko Bah Lias LONSUM di Sumatera Utara. A study on the establishment of Dolichoderus thoracicus (black ant) and Cataenococcus hispidus (mealybug) to be used as biological agents for Conopomorpha cramerella, cocoa pod borer (CPB) was carried out in LONSUM cocoa estates in Bah Lias, North Sumatera.