Preliminary research on drought resistance of wild and domestic Turkish watermelon genotypes

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dc.contributor.authorSarı, Nebahat
dc.contributor.authorKırnak, Halil
dc.contributor.authorKaripcin, M. Zeki
dc.date.accessioned2017-05-10T14:09:13Z
dc.date.available2017-05-10T14:09:13Z
dc.date.issued2008
dc.departmentBelirleneceken_US
dc.description.abstractThis project was conducted at GAPEYAM, Sanlıurfa, Turkey, in a semi arid region of Turkey. The aim was to determine the effects of water stress on 85 watermelon accessions collected from different regions of Turkey. Two irrigation levels were imposed to determine potential drought resistance of accessions. All plots in the beginning were irrigated with enough irrigation water for healthy seed germination. The plants received enough irrigation until the period of true leaves. After the true leaves, irrigation treatments were initiated. While S1 treatment received full irrigation based on depleted soil moisture in the root zone, S2 treatment received 50 % of S1. A new formula was developed to evaluate the drought resistance. For each accession, the ratio between S1 and S2 treatments was calculated for each character: a ratio close to 1 indicated drought tolerance for this character. Both quality and physiologic/vegetative characteristics were measured such as leaf area, length of main stem, turgor pressure, last resistance test, diameter and weight of harvested fruits, total soluble solid contents, and number of seed and weight of seed. Drought tolerance of an accession was estimated by a linear combination of the ratio for these 9 traits. Accessions were classified as tolerant if they had a rating above 70 out of 100 and intolerant if the rating was below 59. The experimental results showed that thirtyfive accessions were evaluated as drought tolerant. The highest score obtained from the formulae was 99 with accession number 24. Other tolerant accessions like 218, 25, 27 and 197 were rated as 88, 86, 86 and 85 respectively. Twenty-seven accessions were classified as intolerant.en_US
dc.description.sponsorshipGAPTAEMen_US
dc.identifier.citationKaripçin, M.Z., Sarı, N., Kırnak, H.en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12604/585
dc.language.isoenen_US
dc.publisherProceedings of the IXth EUCARPIA Meeting on Genetics and Breeding of Cucurbitaceaeen_US
dc.relation.publicationcategoryUluslararası Hakemli Dergi Makalesien_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmz#KayıtKontrol#
dc.subjectGenetic resources, irrigation level, Citrullus lanatus, C. colocynthis, C. lanatus var.citroides, C. rehmii, Praecitrullus fistulosusen_US
dc.titlePreliminary research on drought resistance of wild and domestic Turkish watermelon genotypesen_US
dc.typeArticleen_US

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