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Life Sciences

Turkish Journal of Agriculture and Forestry

Juglans regia L.

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Determination Of Fatty Acid And Tocopherol Contents In Chandler × Kaplan-86 F1 Walnut Population, Ümmühan Merve Arcan, Mehmet Sütyemez, Şaki̇r Burak Bükücü, Aki̇de Özcan, Muhammet Ali̇ Gündeşli̇, Sali̇h Kafkas, Nesi̇be Ebru Kafkas Jan 2021

Determination Of Fatty Acid And Tocopherol Contents In Chandler × Kaplan-86 F1 Walnut Population, Ümmühan Merve Arcan, Mehmet Sütyemez, Şaki̇r Burak Bükücü, Aki̇de Özcan, Muhammet Ali̇ Gündeşli̇, Sali̇h Kafkas, Nesi̇be Ebru Kafkas

Turkish Journal of Agriculture and Forestry

Walnut (Juglans regia L.) is one of the most common nuts in the world. There are a wide walnut variety of genotypes that differ in forestry, physical and chemical properties. Most of the walnut genotypes, which are natural resources have been evaluated as promising and germplasm sources for breeding. Walnuts are high in many beneficial biochemical compounds, so they have a useful profile for many people in relation to disease risk. Therefore, the demand for production and consumption of walnut is increasing day by day. In the present study, fatty acid and tocopherol profiles of 156 F1 genotypes belonging to …


Determination Of The Apomictic Fruit Set Ratio In Some Turkish Walnut (Juglans Regia L.) Genotypes, Beki̇r Şan, Hati̇ce Dumanoğlu Jan 2006

Determination Of The Apomictic Fruit Set Ratio In Some Turkish Walnut (Juglans Regia L.) Genotypes, Beki̇r Şan, Hati̇ce Dumanoğlu

Turkish Journal of Agriculture and Forestry

This study was carried out to determine the amount of apomictic fruit set in 10 Turkish walnut (Juglans regia L.) genotypes in 2001, 2002 and 2003. Yalova-1, Şebin, Bilecik, KR-1, KR-2, Şen-2, 07-KOR-l, Tokat-1, Kaman-1 and Kaman-5 cultivars and selections were used in the experiment. Female flowers were bagged and/or pollinated with pollen of the apple cv. 'Golden Delicious' (Malus x domestica Borkh.), and the apomictic fruit set was determined 8 weeks after anthesis. The percentage of apomictic fruit set without pollination ranged from 0.5% to 1.6% in 5 walnut genotypes, namely Yalova-1, Bilecik, 07-KOR-l, Tokat-1 and Kaman-1, in the …


Somatic Embryogenesis From Immature Cotyledons Of Apomictic And Non-Apomictic Seeds In Walnut (Juglans Regia L.), Beki̇r Şan, Hati̇ce Dumanoğlu Jan 2006

Somatic Embryogenesis From Immature Cotyledons Of Apomictic And Non-Apomictic Seeds In Walnut (Juglans Regia L.), Beki̇r Şan, Hati̇ce Dumanoğlu

Turkish Journal of Agriculture and Forestry

Somatic embryogenesis from immature cotyledons of apomictic and open-pollinated seeds in some walnut (Juglans regia L.) genotypes was investigated. To obtain apomictic seeds, female flowers were bagged and/or pollinated with pollen of the apple cv. 'Golden Delicious' (Malus x domestica Borkh.). The best cotyledon stage for somatic embryogenesis was determined in open-pollinated seeds of 10 walnut genotypes. Immature cotyledons were cultured 8, 9, 10, 11 and 12 weeks after anthesis. As a result of this experiment, cotyledons of seeds thought to be of apomictic origin were cultured 8 weeks after anthesis. Driver and Kuniyuki walnut (DKW) medium supplemented with 1 …


Determination Of Fruit Growth And Development In Walnut, Yaşar Akça Jan 2000

Determination Of Fruit Growth And Development In Walnut, Yaşar Akça

Turkish Journal of Agriculture and Forestry

This study was conducted to determine nut growth and development in Sebin, Bilecik, 32B-18 and 170 B-16 walnut cultivars in 1997-1998. In the study, nut length, nut diameter, nut weight with hull, kernel weight, protein content of shell, kernel and hull, oil content of shell, ash content of shell, ash content of kernel and ash content of hull were determined in the period of fruit growth. The increase in the kernel weight was slower at the beginning of the growth period, while it was rapid between June and August. There was also a rapid development in the nut diameter and …