Суғориш тартиблари ва чилпиш муддатларига боғлиқ ҳолда ЎзДЕФ ва ПолиДЕФ дефолиантларнинг ғўза барглари тўкилишига таъсири

The article describes the effect of defoliation on the fall of cotton leaves depending on the timing of topping and irrigation scheduling. When irrigating cotton, the irrigation scheduling of 65-70-60 and 70-75-65 Fc was selected, and for each irrigation scheduling, plant topping was carried out on 12-13 and 14-15 sympodial branches. The optimal rate of application of the defoliants UzDEF and PolyDEF on all treatments of the plant topping is specified.