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Effects of early water stress on grapevine (Vitis vinifera L.) growing in cv. Syrah

Korkutal, İlknur; Bahar, Elman; Carbonneau, Alain


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{
  "DOI": "10.15666/aeer/1701_463472", 
  "abstract": "<p>Water deficit is a major issue in grapevine production. The purpose of this research was to&nbsp;identify the effects of early water stress on the growing and yield of grapevine. The research was&nbsp;performed in SupAgro/INRA in Montpellier using the ECOTRON System, France. Syrah/SO4 graft&nbsp;combination was used as a plant material. 7 years old and potted grapevines were grown/kept in natural&nbsp;vineyard conditions. A completely randomized block design was used: WS0 (control) 0; -0.2 MPa, WS1 -0.2; -0.4 MPa, WS2 -0.4; -0.6 MPa, and WS3 -0.6; -0.8 MPa respectively. The limitation of water was&nbsp;started the 15th of May in the 17th E-L stage and ended about the 15th of June in the 27th E-L stage.&nbsp;Analysis of variance was performed on the agronomic data using the MSTAT-C. Means were separated&nbsp;using the LSD test (P &lt; 0.01). It was determined that there was a reduction in vegetative growth. Also the&nbsp;predawn leaf water potential results showed differences between the irrigation levels. These results&nbsp;indicated that the lowest &Psi;pd in WS3 was -0.80 MPa. There was an approximately 55 cm difference&nbsp;determined between the control and other groups in shoot lenghts. Besides that the average cluster weight&nbsp;was reduced by about 41% and the yield by about 28% under the early water deficit conditions.</p>", 
  "author": [
    {
      "family": "Korkutal", 
      "given": " \u0130lknur"
    }, 
    {
      "family": "Bahar", 
      "given": " Elman"
    }, 
    {
      "family": "Carbonneau", 
      "given": " Alain"
    }
  ], 
  "id": "263573", 
  "issued": {
    "date-parts": [
      [
        2019, 
        1, 
        2
      ]
    ]
  }, 
  "language": "eng", 
  "title": "Effects of early water stress on grapevine (Vitis vinifera L.) growing in cv. Syrah", 
  "type": "article-journal"
}
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