Characteristics and fatty acids composition of 'Qinglin' walnut (Jugans regia L.)
2014
Zhao, Dengchao | Hou, Liqun | Chuanming, Han
China has rich germplasm resources of walnut (Jugans regia L.). ‘Qinglin’, a new walnut cultivar used for timber and fruit, was selected from wild resources in Shandong province. It was characterized by vigorous young trees and a harvest at least one week after ‘Xiangling’ walnut. The average nut weight, kernel rate, and kernel total fat content were 17.78-20.00 g, 40.12%, and 67.70%, respectively. It has easy kernel removal, with light and tasty kernel. The timber volume and diameter of a 30-year-old tree were 1.17 m3 and 41.6 cm, respectively. Data of the progeny was used to estimate the narrow sense heritability. The heritability of height and diameter were 74.42 and 75.61%, respectively. Component of fatty acids, including tetradecanoic (C14:0), palmitic (C16:0), palmitoleic (C16:1n7), heptadecanoicn (C17:0), Cis-10-Heptadecenoic Heptadecanoicn (C17:1n7), stearic (C18:0), oleic (C18:1n9c), linoleic (C18:2n6c), α-linolenic (C18:3n3), arachidic (C20:0), Cis-11-Eiscosenoic (C20:1), and docosanoic (C22:0) were detected in the ‘Qinglin’ walnut kernel, during which polyunsaturated fatty acid, monounsaturated fatty acid and less saturated fatty acid occupied the majority. The proportion of monounsaturated fatty acid, polyunsaturated fatty and saturated fatty acid was 1.00:5.51:0.52 respectively.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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