Gündüz, Ü. Şahan Department of Animal Science, Faculty of Agriculture, Uludag University, 16059 Gorukle, Bursa, Turkey (Manuscript received 25 August 2018; accepted for publication 18 December 2018) Abstract. Silkworm, Bombyx mori L. is an economic insect that has great importance on

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