October 2013

Laboratory assessment of insecticidal properties of Tagetes minuta crude extracts against Brevicoryne brassicae on cabbage

The cabbage aphid, Brevicoryne brassicae is one of the most serious insect pests of cabbage in Lesotho. Chemical insecticides for efficient control of this pest are often unaffordable for resource-poor farmers. As a first step in a search for effective pest management techniques that can be affordable and easily available to these farmers, the aphicidal activities of Tagetes minuta crude extracts were evaluated against...

Author(s): Phoofolo, M. W., Mabaleha, S. and Mekbib, S. B.

October 2013

Effect of red palm weevil, Rhynchophorus ferrugineus (Olivier) infestation on temperature profiles of date palm tree

This study aimed at identifying the impact of red palm weevil (RPW), Rhynchophorus ferrugineus Olivier infestation on date palm trees (Phoenix dactylifera) in terms of internal temperature changes compared to ambient atmospheric air temperature. Adult weevils as well as sensors of electronic data loggers were introduced inside date palm trees through holes drilled in the tree trunks for measuring internal temperatures...

Author(s): Mohammed El-Faki Mozib and Hamadttu Abdulfaraj El-Shafie