EFFECT OF HUMIC ACID AND ALGAE EXTRACT ON PRODUCTIVITY OF RUTA GRAVEOLENS L. PLANT UNDER SINAI CONDITIONS

Document Type : Original Article

Authors

1 Department of Medicinal and Aromatic Plants, Desert Research Center, Cairo, Egypt

2 Department of Soil Fertility and Microbiology, Desert Research Centre, Cairo, Egypt

Abstract

This study was conducted during the two successive seasons of 2019-2020 and 2020-2021 at Ras Sudr Station farm in South Sinai Governorate, Egypt, to study the importance of using humic acid and spraying with algae extract to reduce water loss from the soil and reduce the effect of irrigation with saline water on the growth of Ruta graveolens plants under North Sinai conditions. Results showed a significant increase in the studied parameters when treated with different rates of humic acid alone and different concentrations of algae extract alone. Also, the interaction treatment between humic acid and algae extract at 4 kg/feddan and 4 cm/liter, respectively, gave the highest values in all characteristics such as vegetative growth, oil production, active ingredients, and chemical composition. On the other hand, the analysis of the components of the volatile oil of Ruta graveolens gave the presence of three main compounds of the oil components; 2-undecan is the main compound, followed by 2-nonan, then 2-methyl-undecanal.
 

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History

  • Receive Date: 02 April 2022
  • Revise Date: 03 May 2022
  • Accept Date: 28 June 2022

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