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DETERMINATION OF SOME PHYSICAL AND CHEMICAL PROPERTIES OF WALNUT (JUGLANS REGIA L.) GENOTYPES GROWN IN THE CENTRAL DISTRICT OF BITLIS/TURKEY

Published in Scientific Papers. Series B, Horticulture, Volume LIX
Written by Mehmet POLAT, Volkan OKATAN2, Sultan Filiz Güçlü

This research was carried out to determine the superior walnut genotypes grown within seedling population between2009-2012 years in the Central District of Bitlis. For this purpose, fruit samples were taken from 120 walnut genotypes.It was found that 17 walnut genotypes were determined as promising with regard to fruit characteristics. The quantityof fruit weight, kernel weight and kernel ratio were determined as 10.42-14.25 g, 4.52-7.44 g, 42.38-54.07 %respectively for the promising genotypes. The contents of protein (12.45 - 20.04 %), fat (58.44 - 67.14%) and ash (1.44- 2.14 %) were determined as the quantity in the selected genotypes. The quantity of K, Ca, Mg, Cu and Zn contents inkernels of the selected genotypes were analyzed. The following results were found for K contents changing from 408.37to 569.48 mg/100g, for Ca contents 194.79 to 267.85 mg/100g, for Mg contents 241 to 426 mg/100g, for Cu contents0.72 to 1.43 mg/100g and while Zn contents were determined as 1.93-3.47 mg/100g in kernels. In conclusion, some ofthese selected genotypes can be recommended for the farmers in the region.

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