Determination of Pomological and Morphological Characteristics with Fatty Acid Composition of High Kernel Ratio Walnut Genotypes

Unver H., Sakar E., Sulusoglu M.

ERWERBS-OBSTBAU, vol.58, no.1, pp.11-18, 2016 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 58 Issue: 1
  • Publication Date: 2016
  • Doi Number: 10.1007/s10341-015-0249-3
  • Journal Name: ERWERBS-OBSTBAU
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.11-18
  • Keywords: Walnut, Selection, Total oil content, Fatty acids
  • Kocaeli University Affiliated: Yes


In this selection survey that was performed to select the types with superior properties among the population of seedling walnut trees in Cankiri location, fruit samples were collected individually from 67 trees. Than these types were evaluated for fruit and tree properties and eight walnut types with fruit weight between 11.90 and 15.83 g, interior weight between 6.66 and 8.82 g, the interior ratio between 53.06 and 60.41 %, shell thickness between 1.21 and 1.50 mm were selected as promising. For these types the shell color was determined as dark in two types and tawny in six types. The inner color was found to be light yellow in four types and dark yellow in four types. The selected types were in a good condition for full and sound interior ratio. Seven types gave 100 % full and sound inner. Whereas one type gave 20 % empty fruit. Four types showed homogamous blooming, one types showed protandrous blooming and three types displayed protogynous blooming. The total oil content of selected types varied from 43.16 to 58.68 %. The range of fatty acid contents in the fruits of these types were also determined between 50.83 and 60.77 % for linoleic acid, between 16.14 and 26.44 % for oleic acid, between 5.42 and 7.29 % for palmitic acid, between 11.08 and 14.25 % for linolenic acid and between 1.70 and 2.55 % for stearic acid.