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2 results

Dynamique des populations d'Aphis gossypii Glover (Homoptera: Aphididae) sur concombre sous serre en zone côtière Marocaine
M. El Habi, L. El Jadd, A. Sekkat, A. Boumezzough
Journal:

Insect Science and Its Application / Volume 19 / Issue 1 / March 1999

Published online by Cambridge University Press:

19 September 2011, pp. 17-22

Print publication:

March 1999
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Aphis gossypii is one of the major pests of cucumber grown in greenhouses in the coastal areas of Morocco. A population dynamics study showed that A. gossypii populations might reach very high levels in June, causing economic damage to cucumber. The proliferation of A. gossypii on cucumber arises mainly from infestations by flying winged adults. Factors regulating the fluctuation of population of the species are discussed.

Lutte contre Aphis gossypii Glover (Homoptera: Aphididae) sur concombre sous serre par Coccinella septempunctata Linnaeus (Coleoptera: Coccinellidae)
M. El Habi, L. El Jadd, A. Sekkat, A. Boumezzough
Journal:

Insect Science and Its Application / Volume 19 / Issue 1 / March 1999

Published online by Cambridge University Press:

19 September 2011, pp. 57-63

Print publication:

March 1999
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In this study, Coccinella septenipnnctata was efficient in controlling Aphis gossypii populations on cucumber in the greenhouse. This efficiency was a function of the predator/prey ratio and the initial aphid density at the time of release of the predator. Prey density had a large influence on the fecundity and establishment of this coccinellid in the greenhouse.

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2 results

Dynamique des populations d'Aphis gossypii Glover (Homoptera: Aphididae) sur concombre sous serre en zone côtière Marocaine

Lutte contre Aphis gossypii Glover (Homoptera: Aphididae) sur concombre sous serre par Coccinella septempunctata Linnaeus (Coleoptera: Coccinellidae)