Selection of promising walnut genotypes in Samsun Province in Turkey

Abstract

The present study was carried out in Samsun during 1997-2001. Totally 184 genotypes were investigated. The obtained results were evaluated with Weight-Ranked Method. At the end of the evaluation 13 promising walnut genotypes were selected. In the selected genotypes, nut length (34.48-60.42 mm), nut width (30.38-45.24 mm), nut cheek (32.54-47.96 mm), nut size (33.97-50.80 mm), nut weight (11.84-24.19 g), kernel weight (6.39-10.73 g), kernel percent (43.76-60.55%), good kernel percent (81.25-97.92%), shrink kernel percent (1.25-9.38%), defective kernel percent (2.08-18.75%) and shell thickness (0.98-1.65 mm) were determined. Shell color was determined as light for most of the genotypes. Also kernel color was determined as white or light yellow, kernel removal as very easy or easy, shell combination as very strong or strong and kernel roughness determined as smooth, medium or rough. © 2006 Asian Network for Scientific Information.