Thus the insecticide applications significantly reduced spider numbers in the non-Bt cotton as compared with spider numbers in Bt cotton. The use of Tracer early in the spray season does appear to fit the heliothine species sequence very well by preserving beneficials as an integrated pest management input. Mean eggs, heliothine larvae and heliothine damaged fruit per 25 terminals, squares or bolls in ultra-narrow row cotton in Itawamba Co., MS, 1999. Mean number of tarnished plant bugs, lady beetles, bigeyed bugs and spiders per 25 sweeps of ultra-narrow row cotton planted in Itawamba Co., MS, 1999. Plot plan showing field configuration and placement of plots of two varieties of cotton replicated 3 times.
Arrows indicate spray dates.
For information about this page, contact Jack Reed or Chris Jackson .