Experiences with
Encarsia formosa (trichogramma wasp)Encarsia 6D: Infestation of whitefly on various cabbage plants. A treatment of 3 sprayings on 3 successive days had no effect on the whitefly.
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Encarsia formosa (trichogramma wasp)Encarsia 6D: Infestation of whitefly on various cabbage plants. A treatment of 3 sprayings on 3 successive days had no effect on the whitefly.
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