Relative Performance of Root and Shoot Development in Enset and EastAfrican Highland Bananas
2008
Banana weevil ( Cosmopolites sordidus ) is a major pest in East Africa
causing yield losses of up to 14 metric tonnes per hectare annually. A
study was conducted in Uganda to determine the effect of mulching on
banana ( Musa spp. L.) weevil, Cosmopolites sordidus (Germar)
(Coleoptera: Curculionidae), movement relative to pheromone-baited
traps. Three treatments were used to create different mulching levels:
banana without mulch (control), banana with thin mulch (< 6 cm
thick), and banana with thick mulch (15 cm thick). Pheromone traps were
placed in the plots and weevil trap catches were monitored. Weevil
catches in pheromone traps from both mulched and unmulched plots were
generally similar. The mulching level had no effect on the ratio of
males to females recaptured. The numbers of weevils captured in
pheromone traps were lower than in the wet season and was not
influenced by mulch levels. Mulching levels had a limited influence on
the numbers of weevils recaptured from different directions. The
results generally indicate that mulching has no effect on weevil
catches in pheromone traps.
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