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Development of Tetranychus urticae Koch and Tetranychus cinnabarinus Boisd, populations on sweet pepper and Phytoseiulus persimilis (A.-H) effectiveness in their control

Kropezynska, D.; Tomczyk, A.

Bulletin OILB/SROP 19(1): 71-74

1996


ISSN/ISBN: 1027-3115
Accession: 002799193

Population densities of Tetranychus urticae and T. cinnabarinus developing separately or together on plants of 2 cultivars of glasshouse sweet pepper [Capsicum annuum] (Bendigo and Monica) were compared in studies in Poland. It was found that both species could quickly reach high densities if feeding separately, and T. cinnabarinus populations showed a similar density on both cultivars, while T. urticae predominated on cv. Bendigo. Simultaneous infestation of T. urticae and T. cinnabarinus had a negative effect on the development of the latter. P. persimilis effectively controlled both mite species, although some preference for T. cinnabarinus was observed.

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