oa Journal of the Entomological Society of Southern Africa - Economic importance of Thrips tabaci Lind. (Thysanoptera) on cotton at Vaal hartz, South Africa



Although various insecticidal applications, including granular applications, seed-dressings and systemic foliar sprays, gave excellent control of Thrips tabaci on cotton, the yields from treated plots did not differ significantly from those from the untreated controls. Thrips control on cotton appears to be unjustified, except perhaps as a corrective application during unusually high infestations.


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