Scientific Journal Of King Faisal University
Basic and Applied Sciences
Scientific Journal of King Faisal University / Basic and Applied Sciences
Ecology studies on Tha-noun (Cistanche phelypaea L) Cout. (Orobanchaceae) in Al-Hasa Oasis, Saudi Arabia
(Farah Awad poor and Fahd bin Nasser Al)Abstract
The angiospermic root parasite Cistanche phelypaea L. Cout. (Orobanchaceae) is an obligate root parasite, which totally depends its host for water, minerals and organic nutrients. In Al-Ahsa Oasis, Saudi Arabia, it was found to occur on a number of natural and cultivated plant species. The natural hosts include: Arthrocnemum macrostachyum, Anabasis articulata, Salsola baryosma, Seidlitzia rosmarinus, Suaeda aegyptiaca, Suaeda monoica, Suaeda vermiculata, Zygophyllum coccineum, Zygophyllum simplex, Zygophyllum qatarense. The cultivated species were Beta vulgaris, Beta vulgaris subsp. cicla, and Atriplex leucoclada. However, Spinacia oleracea, a cultivated species, was found to be resistant.
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