‘Helete Güneşi’, a New Walnut Cultivar with Late Leafing, Early Harvest Date, and Superior Nut Traits

Mehmet Sütyemez, Şakir Burak Bükücü and Akide Özcan
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Mehmet Sütyemez: Department of Horticulture, Agricultural Faculty, Kahramanmaras Sutcu Imam University, Kahramanmaras 46040, Turkey
Şakir Burak Bükücü: Department of Plant and Animal Production, Silifke Tasucu Vocational School, Selcuk University, Silifke Tasucu, Mersin 33900, Turkey
Akide Özcan: Department of Organic Farming, Goksun Vocational School, Kahramanmaras Sutcu Imam University, Kahramanmaras 46650, Turkey

Agriculture, 2021, vol. 11, issue 10, 1-10

Abstract: ‘Helete Güneşi’ was selected among different genotypes obtained from crossing ‘Maraş 18’ × ‘Chandler’ in Turkey. The present study compares phenological and pomological traits of ‘Helete Güneşi’ with those of its parents so as to scale their performances. ‘Helete Güneşi’ staged leaf out on 22 April, whereas its parents, ‘Chandler’ and ‘Maraş 18’, did on 20 and 12 April, respectively. The harvest date of ‘Helete Güneşi’ was as early as 17 September, whereas ‘Chandler’ and ‘Maraş 18’ began to be harvested on 5 October and 15 September, respectively. Defoliation in ‘Helete Güneşi’ occurred about 1 month earlier than ‘Chandler’. The nut weight and kernel percentage of ‘Helete Güneşi’ were 13.41 g and 53.39%, respectively, whereas in ‘Chandler’ the values were 12.73 g and 48.23%, respectively, but were 14.62 g and 53.76% in ‘Maraş 18’. ‘Helete Güneşi’ had a higher yield value compared to its parents. The results demonstrated that ‘Helete Güneşi’ has superior traits in being selected for late leafing date, early harvest date, high yield, and good nut quality. Therefore, it can be considered as a valuable genetic resource in future breeding programs around the world.

Keywords: walnut; Juglans regia L.; cultivar; crossbreeding; late leafing; lateral bud flowering; yield; early harvest (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2021
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