Attempts to Improve Berry Quality of flame seedless Grapevines

Document Type : Original Article

Authors

1 horticulture, faculty of agriculture, souhag university

2 Horticulture Department, Faculty Of Agriculture, Sohag University, Sohag, Egypt

Abstract

THIS STUDY was carried out during 2014 and 2015 seasons on flame seedless grapevines. The vines were treated with three nitrogen fertilizer  concentration (control : 100% of recommended dose, 50 and 75% of recommended dose ), combined with foliar application of potassium 2cm/L, as well as foliar ethrel at 250 ppm at veraison stage. Removals of basal leaves on the fruiting canes were also done. The purpose of this study was to investigate the effect of these treatments on growth, productivity and berry quality of flame seedless grapevines. Results revealed that, the maximum values of leaf area and shoot length were found on the vines that were treated as the control. Significant high yield and cluster number were found after combined treatment with N (75 % of recommended rate) + foliar Ethrel at 250 ppm and basal leaves remove on the cluster at veraison stage in the first season and N (75% of recommended rate) + foliar potassium at 2 ml/L at veraison stage in the second season. While, average cluster weight and berry quality were found after combined treatment with Nitrogen at 75% + K at 2cm/L + ethrel at 250 ppm along with basal leaves remove application- as compared to all treatment, This was the best treatment in improving color and quality of - flame seedless berries.

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History

  • Receive Date: 02 November 2017
  • Revise Date: 13 December 2017
  • Accept Date: 14 December 2017

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