oa Journal of the Entomological Society of Southern Africa - The influence of windbreak species on citrus thrips (Thysanoptera: Thripidae) populations and their damage to South African citrus orchards



Fruit on orange trees Citrus sinensis (L). Osbeck adjacent to silky oak Grevillea robusla A. Cunn. windbreaks in the eastern Cape Province had more severe scarring due to citrus thrips Scirtothrips aurantii Faure than fruit on trees in the middle of the orchards or on trees in adjacent orchards with different windbreak species. The objective of this research was to verify these observations, especially as a general increase in the severity of citrus thrips damage in the eastern Cape appears to have coincided with an increase in the popularity of silky oaks as windbreaks.


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