Efficiency of three medicinal plant extracts to improve growth, yield and quality of Red Roomy grapevine | ||||
| Assiut Journal of Agricultural Sciences | ||||
| Article 4, Volume 53, Issue 1, March 2022, Page 45-59 PDF (648.57 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ajas.2022.119079.1088 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Asmaa A. Mohamed1; Fatma El-Zahraa M. Gouda  2; F.E.M Saleh3; Yasser A.M.M Omran1
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| 1Viticulture Department, Horticulture Research Institute, Agricultural Research Center, Giza, Egypt | ||||
| 2Pomology Department, Faculty of Agriculture, Assiut University | ||||
| 3Medicinal and Aromatic Plants Research Department, Horticulture Research Institute, Agricultural Research Center, Giza, Egypt | ||||
| Abstract | ||||
| The main objective of this investigation was to study the effects of some plant extracts e.g. licorice root, roselle calyxes or moringa leaves extracts at different phenological stages of grapevine growth, productivity and physico-chemical berry quality of Red Romy. The experiment was carried out during 2019 and 2020 seasons. These extracts were using with their different concentrations(control: spraying with water, moringa leaf extract 4, 6 and 8%,licorice root extract 2, 4 and 6% and roselle calyxes extract 2,4 and 6% concentrations)were applied as a foliar spray three times as follows: at growth start, just after berry setting and at three weeks later.The foliar spray of moringa, roselle or licorice extracts were very effective in improvement the yield/vine and cluster traits. Also, these treatments significantly improved the quality berry as an of increasing the berry weight, total soluble solids and skin anthocyanin of berries compared to untreated ones. The best results were obtained on the vines that sprayed with 6% moringa extract. It could be concluded that spraying moringa at 6%, licorice at 4% or roselle extract at 4% three times annually was necessary to get high yield with good cluster and berry quality of Red Romy grapevines. | ||||
| Keywords | ||||
| Moringa; licorice; Roselle; anthocyanin; grapevines | ||||
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