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Effect of water deficit and foliar application of amino acids on growth and yield of eggplant irrigated by two drip systems under greenhouse conditions

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dc.contributor.authorBader, Basim Raheem
dc.contributor.authorAbood, Mohammed Ali
dc.contributor.authorAldulaimy, Saad Enad Harfoush
dc.contributor.authorAl-Mehmdya, Shuker Mahmood Hassan
dc.contributor.authorHamdi, Ghassan Jaafar
dc.date.accessioned2020-10-27T11:44:04Z
dc.date.available2020-10-27T11:44:04Z
dc.date.issued2020
dc.descriptionSaabunud / Received 22.08.2020 ; Aktsepteeritud / Accepted 27.10.2020 ; Avaldatud veebis / Published online 27.10.2020 ; Vastutav autor / Corresponding author: Jaafar Hamdi e-mail: ghassanhamdi38@gmail.comest
dc.description.abstractWater deficit in semiarid areas limits eggplant (Solanum melongena L.) production and growth indicators. Suitable drip irrigation system and foliar application of amino acids may help overcome water deficit. In this work, the effects of drip irrigation system [Grand flow regulators (GR) and T-Tape], water deficit (50, 75, 100% based on field capacity) and foliar application of amino acids at 0, 100 and 200 mg L–1 on water relation of leaf's, yield and field water use efficiency (WUEf) of eggplant were studied. The experiments were arranged in a split-split plot design within a completely randomized distribution each repeated three times. GR irrigation system treatment produced the highest relative water content (RWC), most yield (TY), WUEf and the lowest of water saturation deficit (WSD) which were 74.71%, 6.50%, 5.97 t ha–1, 2.11 kg m–3 and 23.09%, respectively. The lowest water uptake capacity (WUC) and relative membrane permeability (RMP) was obtained in T-Tape irrigation system treatment (0.43% and 59.45%, respectively). The 100% irrigation level revealed higher RWC (79.32%), WSD (7.38%), most TY (6.93 t ha–1), the least of WSD (18.00%), WUC (0.28%) and RMP (39.40%). The maximum of WUEf (2.37 kg m–3) was obtained from 50% irrigation level. The foliar application of 200 mg L–1 Amino acids rate resulted in significantly maximum RWC (81.50%), WRC (7.19%), TY (6.75 t ha–1) and WUEf (2.51 kg m–3) and least WSD (15.88%), WUC (0.33%), RMP (52.02%). GR drip irrigation system is best for water use efficiency; 200 mg L–1 Amino acids produced the best response for most studied traits.eng
dc.identifier.issn2228-4893
dc.identifier.publicationAgraarteadus : Journal of Agricultural Science, 2020, vol. 31, no. 2, pp. 131–138est
dc.identifier.urihttp://hdl.handle.net/10492/6214
dc.identifier.urihttps://doi.org/10.15159/jas.20.20
dc.publisherEstonian Academic Agricultural Societyeng
dc.rightsCreative Commons Attribution 4.0 International (CC BY 4.0) ; openAccesseng
dc.rights.holderAuthors of accepted articles retain all rights to use, reuse, and distribute the published research as long as the author credits the original publication in this journal. The authors submitting to the journal are expected to follow the general ethical guidelines regarding plagiarism. If in doubt consult the ICMJ guidelines on overlapping publications. Once accepted the journal retain the right to print and distribute the manuscript submitted by the author.eng
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectSolanum melongenalat
dc.subjectAmino decanatelat
dc.subjectfoliareng
dc.subjectwater use efficiencyeng
dc.subjectwater deficiteng
dc.subjectarticleseng
dc.titleEffect of water deficit and foliar application of amino acids on growth and yield of eggplant irrigated by two drip systems under greenhouse conditionseng
dc.typeArticleeng

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2020, Vol. 31, No. 2