Sensory evaluation characteritics of different walnut cultivars (Juglans regia L.)‎ in Duhoh

الملخص EN

This study was conducted in Duhok, Kurdistan region at five locations (Bagera, Mayi, Amedy, Zakho and Duhok center) during the period 08-09 in order to collect information for improving the present assortment of scion cultivars.

A total of 17 walnut individual cultivars were investigated to determine the main chemo-physical and qualitative characteristics of the nuts.

The walnut population we studied can be considered as a genetically valuable one.

In the present high quality fruit was obtained.

Among the 17 individuals, provided the best proportion of kernel mass compared with endocarp.

Sensory characteristics of the nuts (fruit thickness, length, width, size, Length/width ratio, fresh weight and dry weight, kernel weight, kernel color, Oil,) were studded.

as compared with others (_Azad2 cv.

Were dominated in shell thickness, Kavlesin2, in fruit length, and width, A.

Mirza in fruit L/W ratio and nut fruit size (2.12cm,38.61cm,34.30cm,1.250cm and 200cm3 respectively).

while in this study, we can observe that E.Taha resulted in the highest nut flesh weight and kernel dry weight (15.09g and 7.18g, respectively, at Mayi location) However, the obtained results indicated that trees fruit nut of cv.Ramzi1 at Mayi location was superior over all cultivars in fruit kernel color (10.50) and cv.

Azad3 in Oil percentage (73.41%) at Duhok center location