Applied Biology in Saharan Areas
Volume 2, Numéro 1, Pages 11-16
2018-03-15
Ecology And Management Of The Date Moth, Ectomyeloisceratoniae (zeller) (lepidoptera: Pyralidae), A Pest Of Dates, Phoenix Dactylifera L., In The Southern Palm Grove Of Algeria
Authors : Boulanouar Ali . Khelil Mohamed Anouar . Moussaoui Abdellah . Benlarbi Larbi . Makhloufi Ahmed .
Abstract
Saoura region is situated in the south west of Algeria characterized by a height density of date palm trees (Phoenix dactylifera L.,) where the number exceeded 900000, tree we note several oases (Igli, Béni Abbes, Taghit, among others). Despite this high density, the production of dates is still insufficient even for the local consumption, this is due to: - Increasing water salinity, the spread of many fungal diseases, where the most serious is the Bayoud (Fusaruim oxysporum) - Insect pests, three of them remain the most serious: white scale locally named Semm (Parlatoria blanchardi Targ.,), Boufaroua (Oligonychus afrasiaticus), and Doud called dates worm (Ectomyelois ceratoniae Zell.,). The percentage of worm-eaten fruit at harvest is 8 to 10%, but this proportion may be higher to 80%. (Doumandji-mitiche, 1983) report that on the ground, the percentage of attacked fruits can attained 42.5% in Ouargla and increases during the storage to 64.7%. Various products are applied in the field, in particular, Malathion 2%, Parathion1.25%, Phosalone 4%. However the biological control use the predators and parasites of Ectomyelois ceratoniae. The species most used belong to the family Hymenoptera.
Keywords
Keywords : Date moth, Malathion, Parathion, Phosalon, Predators, Parasites.
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