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Phenolic compounds and antioxidant capacities in grape berry skin, seed and stems of six winegrape varieties grown in Turkey

100%

Karaman H. T., Kusku D. Y., Soylemezoglu G.

Acta Scientiarum Polonorum. Hortorum Cultus

2021

tom 20

nr 1

RAPD analysis of genetic relations between Buzgulu grape cultivars [Vitis vinifera] grown in different parts of Turkey

100%

Aras S., Polat J. B., Cansaran D., Soylemezoglu G.

Acta Biologica Cracoviensia. Series Botanica

2005

tom 47

nr 2

The genetic relations between Büzgülü grape ecotypes (Vitis vinifera L.) grown in different regions of Turkey were investigated by RAPD analysis. Of 50 decamer primers tested, 20 were used in the study, and 17 yielded clear and reproducible polymorphic bands. Differences between ecotypes were analyzed statistically. The similarity index was lowest (0.601) between Etli Büzgülü (collection no. 619, from Antalya province) and Büzgülü (no. 572, Eskisehir prov.), and highest (0.879) between Sik Büzgülü (no. 516, Konya prov.) and Büzgülü (no. 738, Kütahya prov.). The data matrix indicated genetic distances ranging up to 0.038, although most were under 0.03. Phylogenetic trees obtained by UPGMA and neighbor-joining methods basically resembled each other, with some differences. The results from RAPD analysis correlated with some morphological characteristics. This study of Turkish grape germplasm suggests that the geographical and ecological distribution of the plants contributes to higher genetic similarity.

Evaluation of grapevine resistance to downy and powdery mildew in ‘Regent’ × ‘Bogazkere’ hybrid population segregating for resistance genes

88%

Shidfar M., Akkurt M., Atak A., Ergul A., Soylemezoglu G.

Acta Scientiarum Polonorum. Hortorum Cultus

2019

tom 18

nr 1

Fruit production should be adapted to future scenarios that are frequently associated with scarce resources, especially freshwater and fertilizers. New biologically-based fruit production strategies, i.e. taking into account tree growth and water status, are required to optimize irrigation and fertilization under abiotic stress conditions. It was hypothesized that a moderate abiotic stress, here deficit irrigation with or without nitrogen deficit, in the preharvest period, could decrease postharvest losses due to diseases and pruning weights due to reduced vegetative growth, without sacrificing the yield and fruit quality. This study was conducted over two years using the same trees of ‘Moncante’ nectarine cultivar grown in a commercial orchard. Trees were assigned to three treatments: (1) full irrigation at 80% estimated crop evapotranspiration (ETc), (2) deficit irrigation, i.e. at 75% of full irrigation, and (3) deficit irrigation and deficit nitrogen, i.e. at 75% of full irrigation and 75% of usual N-fertilization adopted by the grower in this commercial orchard. Deficit irrigation alone and in combination with deficit nitrogen reduced postharvest diseases and pruning weights without significant yield losses. Our results suggest that ETc-based approaches of reduced water irrigation may be a sustainable way to decrease phytosanitary inputs and workload in the orchard while maintaining the orchard performance.

Ograniczanie wyników

2 Acta Scientiarum Polonorum. Hortorum Cultus

1 Acta Biologica Cracoviensia. Series Botanica

3 Soylemezoglu G.

1 Akkurt M.

1 Aras S.

1 Atak A.

1 Cansaran D.

1 Ergul A.

1 Karaman H. T.

1 Kusku D. Y.

1 Polat J. B.

1 Shidfar M.

1 2021

1 2019

1 2005

Wyniki wyszukiwania

Phenolic compounds and antioxidant capacities in grape berry skin, seed and stems of six winegrape varieties grown in Turkey

RAPD analysis of genetic relations between Buzgulu grape cultivars [Vitis vinifera] grown in different parts of Turkey

Evaluation of grapevine resistance to downy and powdery mildew in ‘Regent’ × ‘Bogazkere’ hybrid population segregating for resistance genes