Ғўза тунлами билан зарарлантирилган муҳитда яратилган янги селекцион ашёларнинг тола сифати кўрсаткичлари

In this article, the results of fiber quality of different families are illustrated developed by crossing sample resistant to bollworm with local varieties. Among 13 lines only 4 of them completely required the demands of IV type,and they recommended as new initial material for cotton breeding.