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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/2466

Title: Effect of rhazya stricta foliage leachate on seedling growth and survival of some range plant species
Authors: Assaeed, Abdulaziz M.
Al-Doss, Abdullah A.
Keywords: Rhazya stricta
Foliage
Seedling growth
Leachate
Range plant species
Poisonous shrub
Saudi Arabia
Issue Date: 1996
Publisher: King Abdulaziz University
Citation: JKAU: Met., Env., Arid Land Agric. Sci: 7; 13-20
Abstract: Rhazya stricta. an evergreen poisonous shrub is rapidly invading large areas of rangelands in Saudi Arabia. A laboratory study was conducted to investigate the effect of its dry foliage leachate on seedling growth and survival of some range plants including R. stricta its self at different stages of seedling growth. Results indicated that seedlings were more susceptible to allelopathic effects at their early days of growth. Seedling growth was depressed and hence survival was negatively affected. Root growth was more restricted than shoots. Species varied in their response to leachate. Sensitivity ranking of species was as follows: R. stricta = Achillea fragrantissima > Farsetia aegyptia > Atriplex halimus > Lasiurus scindicus. Least sensitive species and species having fast and vigorous seedling growth should be selected for revegetation of R. stricta invaded range sites.
URI: http://hdl.handle.net/123456789/2466
Appears in Collections:College of Foods And Agricultural Science

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