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Biological control in New Caledonia of Tetranychus urticae (Acarina: Tetranychidae) by means of Phytoseiulus persimilis (Acarina: Phytoseiidae) in vegetable crops


, : Biological control in New Caledonia of Tetranychus urticae (Acarina: Tetranychidae) by means of Phytoseiulus persimilis (Acarina: Phytoseiidae) in vegetable crops. Entomophaga 21(2): 151-156

A biological control campaign against Tetranychus urticae Koch on cucurbits, tomatoes, cabbages and haricot beans in commercial cultures near Noumea in New Caledonia was carried out in 1972, when unusually dry weather followed by a sudden rise in temperature delayed the usual mite infestations but resulted in a sudden severe outbreak in November.

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E.S.aikh, A.R.A.; Khalil, B.M.; Hamza, A.Y., 1999: The effect of girdling and some growth regulators on fruit drop of persimmon. The effect of girdling and different concentrations of growth regulators on fruit drop was investigated in 1996-97 in persimmon (Diospyros kaki) cv. Costata trees planted in sandy soil 65 km from Cairo in 1990. Gibberellic acid (GA3) at 20 p.p.m....