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Conventionally, agent host specificity has been the major concern in the selection of prospective agents for biological control of weeds. However, sub...
Read moreThe pollinating value of bees on temporarily uncaged runner beans was determined from the set on flowers known to have been visited by these insects, ...
Read moreSoyabeans cv. Davis were grown in the field in open-top chambers ventilated with charcoal-filtered air, non-filtered air or non-filtered air to which ...
Read moreInsect visits and hand-tripping significantly increased the number of pods over that from unvisited flowers. The results indicated that if sufficient ...
Read moreBathycoelia thalassina (H.-S.) occurs in all cacao-growing regions of Ghana, and in large numbers where Amazon varieties and hybrid selections are cul...
Read moreHerbivores inducing host-plant trait changes can indirectly affect the performance, distribution, abundance and behaviour of other herbivores, even wh...
Read moreIn the basement complex country of the area, ranges of rocky hills are separated by a deeply weathered pedeplain dissected by seasonal watercourses. I...
Read moreA. albida, which grows along seasonal watercourses in this region, flushes and flowers at the beginning of the dry season and is leafless during the r...
Read moreStudies were carried out in Ghana on the population dynamics of larvae of Characoma stictigrapta Hmps., a pest of the pods and leaves of cacao. Larvae...
Read moreIn field studies conducted in Africa between July 1991 and November 1992, Acacia tortilis, A. nilotica and A. mellifera seeds on the ground suffered g...
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