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Sudan University of Science and Technology (SUST) 2021

Investigations on the bio-stimulating potential of some selected local flora on growth and productivity of Lemongrass (Cymbopogon citratus)

Mohamed, Hind Musa Ibrahim

Titre : Investigations on the bio-stimulating potential of some selected local flora on growth and productivity of Lemongrass (Cymbopogon citratus)

Auteur : Mohamed, Hind Musa Ibrahim

Université de soutenance : Sudan University of Science and Technology (SUST)

Grade : Doctor of Philosophy (PhD) in Horticulture 2021

Résumé partiel
For increased yield per unit area, growers intensified the use of agricultural chemicals which is hazardous to humans and environment. In conformity with the growing interest in the use of botanicals as alternatives to these chemicals in Sudan ,this study was undertaken to investigate the bio-stimulating potential of shoot powder and water extracts of Henna (Lawsonia inermis), Moringa (Moringa oleifera), Hargel (Solenostemma argel Del. Hayne),and Haza (Haplophyllum tuberculatum) on growth attributes and productivity of Lemongrass (Cymbopogon citratus) . Besides synthetic hormones namely ; Gibberellic Acid and Benzyladenine were also tested for stimulation of growth and productivity of lemongrass. All treatments were conducted under nursery conditions at Khartoum, Sudan. Henna, Moringa , Hargel and Haza powders were tested as soil dressing for Lemongrass in doses of : 0, 4, 8, 12 and 16 g/ plant, while tap water extracts of their powders were tested as foliar applications on Lemongrass in concentrations 0, 4, 8, 12 and 16 g/l. All tests were arranged in complete randomized design. Each treatment was replicated six times. Data were collected 6 months after treatments for number of leaves, leaf length (cm), leaf width (cm), leaf chlorophyll content, leaf fresh weight (g), leaf dry weight (g), root fresh weight (g),root dry weight (g),and leaf oil contents (%). Data were subjected to analysis of variance . Means were separated by Duncan’s Multiple Range Tests at 95% confidential tests. According to the test of bio-stimulating potential of Henna powder and water extracts on the growth and oil yield of Lemongrass ‚ considerable gains in growth parameters were obtained upon soil dressing with 16g of Henna powder, whereas these parameters were enhanced substantially by the 8 g/l foliar treatment.

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Page publiée le 26 mai 2021