Efficacy of chemical and non-chemical treatments against blackcurrant gall mite (Cecidophyopsis ribis Westw)) and their influence on populations of two spotted spider mite (Tetranychus urticae Koch.), predatory mites (Phytoseiidae) and aphids (Aphididae)
2001
Gajek, D. | Niemczyk, E. (Research Institute of Pomology and Floriculture, Skierniewice (Poland))
In the study, the most effective method to control C. ribis was the removal of infested buds combined with 2 treatments with endosulfan. It was also determined thet this pesticide applied once, twice or three times during bloom did not affect phytoseiid mites, which occurred in sufficient numbers to maintain the population of two-spotted spider mite at a very low level. Among the identified phytoseiid species, Typhlodromus pyri and Amblyseius andersoni were dominant. The increase in populations of A. andersoni after treatment with endosulfan during 3 successive years sugessts that this species can be useful for an efficient regulation of two-spotted spider mite on blackcurrant. Endosul;fan used against the gall mite effectively controlled aphid population
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