V. Dimitrova, R. Dragov Field Crops Institute – Chirpan, 6200 Chirpan, Bulgaria (Manuscript received 7 June 2021; accepted for publication 2 August 2021) Abstract. Cotton breeding in Bulgaria is mainly aimed at improving the earliness, productivity and fiber quality of modern va

A. Stoilova, I. Saldzhiev, Zh. Terziev Abstract: Breeding of coloured cotton varieties will help to solve certain existing ecological problems concerning dyeing of yarn and tissues. In 2007-2009 competitive variety trials were conducted with brown cotton lines. The results obtained sh