Development of moths in tomato crop and methods of moth control

Heliothis armigera (cotton moth or cocoon worm) is considered one of the worst pests tomatoes in Uzbekistan, addition to cotton. All stages pest can develop this crop. The lays its eggs individually on body, flowers and blooms plant. Worms hatched from gnaw plant fruits. Each worm damage 10-12 per Damaged crops wither, large ones rot. In some cases (mostly Yusupov variety), infected fruits do not rot, but may form a scar, quality appearance product will be lost. Not all varieties are equally affected by worm: variety strongest, Volgograd 5/95 Talalikhin less affected. But there no type tomato that damaged at all, years yield decrease up 50%. article, species composition, distribution area, bioecology, development caused moths studied, level harmfulness studied. case, length weight different ages were determined laboratory conditions. When first young worms placed plant, compared control option, it was found decreased 73.3% total 2.15 kg. During fruiting period, option showed 53.3% control, loss 1,400 kg productivity observed as result experiments.