Soil Pest Control In Cotton with Chlorantraniliprole + Thiametoxam

To observe the effect of insecticides in control of <i> Scaptocoris castanea</i> , <i> Thrips tabaci </i>; <i> Bemisia tabaci</i>  and <i> Aphis gossypii </i> in cotton was carried out this experiment, in Ribeirão Preto County, São Paulo State. The experiment was randomly in blocks, with 8 treatments and 4 repetitions using ‘Nuopal’ cultivar conducted during the period from 02/12/2009 to 01/06/2010, from planting to production. Were tested the following treatments: 1-Durivo (Chlorantraniliprole + Thiametoxam) 200 ml p.c. /ha; 2- Durivo 300 ml p.c. /ha; 3- Durivo 400 ml p.c. /ha (all in the planting groove - PG); 4-Cruiser (thiametoxam) 350 GR 600 ml p.c./100 kg seeds in seed treatment (TS) + Durivo 200 ml p.c. /ha (PG); 5-Cruiser 350 FS 600 ml p.c./100 kg seeds (TS) + Avicta 500 FS (abamectin) to 300 ml p.c./ha (PG); 6-Cruiser 350 FS 600 ml p.c./100 kg seeds (TS) + Avicta 500 FS-300 ml p.c./ha (PG) + Durivo 200 ml p.c./ha (PG); 7-Standak 250 FS (Fipronil) 500 ml p.c./100 kg seeds + Gaucho 600 FS (Imidacloprido) 500 ml p.c./100 kg seeds (TS) and 8-Check. Durivo applications were by using a prototype applicator bound to planter manual. For evaluations of <i> S. castanea </i>  were made two soil trenches (0.5 x 0.3 x 0.3 m) and counted the number of nymphs of bugs. Were observed weekly 25 plants per plot, counting the number of aphids, thrips and white flies. To evaluate the initial development of plants was observed the stand and plants height weekly. It was found that the treatments maintained the stand of planting and control satisfactorily the aphids, thrips, whiteflies and bugs. At harvest noted that the treatments always preserved the productivity, with additions that ranged between 4.5  to 35% compared to the check.