Determination of optimum irrigation and effect of deficit irrigation strategies on yield and disease rate of peanut irrigated with drip system in Eastern Mediterranean

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dc.contributor.authorSezen, S. Metin
dc.contributor.authorYucel, Seral
dc.contributor.authorTekin, Servet
dc.contributor.authorYildiz, Mehmet
dc.date.accessioned2020-03-26T20:13:19Z
dc.date.available2020-03-26T20:13:19Z
dc.date.issued2019
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThis study aimed at examining the effects of different irrigation regimes (amount and frequency) on yield, water use, water productivity (WP), irrigation water productivity (IWP) and disease rate of drip irrigated peanut (Arachis hypogaea) during the 2014 and 2015 seasons in the Eastern Mediterranean region of Turkey. The treatments consisted of combinations of 3 irrigation frequencies (IF) (IF1: 25 mm; IF2: 50 mm; IF3: 75 mm of cumulative pan evaporation (CPE)), and 7 irrigation water levels (WL1 = 0.50, WL2 = 0.75, WL3 = 1.00 and WL4 = 1.25). WL1, WL2, WL3 and WL4 treatments received 50, 75, 100 and 125 of CPE. In addition, partial root drying (PRD) treatments WL5 = PRD50, WL6 = PRD75 and WL7 = PRD100 treatments were considered. They received 50, 75 and 100% of WL3 treatment from alternate laterals, respectively These 21 treatment combinations were arranged and analysed in a split-plot design with 4 replications. The main plots and subplots were established to irrigation frequencies (IF1, IF2 and IF3) and levels (WL1, WL2, WL3, WL4, WL5, WL6 and WL7). Both IF and WL were observed to have significantly influenced peanut yields at 1% level. In each of the experimental years, the largest and the smallest average peanut yields were acquired from the IF2WL4 and IF3WL1 treatments, respectively. Results indicated that peanut crops under PRD produced higher than those under deficit irrigation upon usage of the same volume of water amount. Significant linear relationships between irrigation - yield and evapotranspiration - yield were obtained during different irrigation frequencies in each season. The yield response factor (ky) was 0.58-0.65 in IF1, 0.65-0.70 in IF2 and 0.90-0.91 in IF3 plots in both years. Water stress raised the disease emergence in peanut markedly in the experimental years. The WP and IWP of PRD peanut were significantly greater than full irrigation and deficit irrigation (DI) treatments in both growing seasons, which demonstrated that limiting water did not reduce WP values. We conclude that DI treatments resulted in importantly lower WP (p <= 0.05) than PRD treatments in both years in spite of applying the same volume of water.en_US
dc.description.sponsorshipGeneral Directorate of Agricultural Research and Policies (TAGEM)Gida Tarim Ve Hayvancilik Bakanligi [TSKAD/14A13/P02/06]en_US
dc.description.sponsorshipThis research was funded and supported by General Directorate of Agricultural Research and Policies (TAGEM) under project number TSKAD/14A13/P02/06. We thank editors for their enthusiasm and dedication, the anonymous reviewers for their critical and constructive comments which helped greatly for the revised version.en_US
dc.identifier.doi10.1016/j.agwat.2019.04.033en_US
dc.identifier.endpage219en_US
dc.identifier.issn0378-3774en_US
dc.identifier.issn1873-2283en_US
dc.identifier.startpage211en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.agwat.2019.04.033
dc.identifier.urihttps://hdl.handle.net/20.500.12395/37670
dc.identifier.volume221en_US
dc.identifier.wosWOS:000472698600021en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherELSEVIER SCIENCE BVen_US
dc.relation.ispartofAGRICULTURAL WATER MANAGEMENTen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectPeanuten_US
dc.subjectWater productivityen_US
dc.subjectYield response factoren_US
dc.subjectIrrigation frequencyen_US
dc.subjectLeaf area indexen_US
dc.subjectRoot roten_US
dc.titleDetermination of optimum irrigation and effect of deficit irrigation strategies on yield and disease rate of peanut irrigated with drip system in Eastern Mediterraneanen_US
dc.typeArticleen_US

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