Abstract
Holoparasitic broomrape weeds (Orobanche and Phelipanche spp.) are a major biotic constraint limiting the production of important food crops. Parasitism caused by Phelipanche spp. is considered to be a serious threat, particularly in the Mediterranean region. In this study, the broomrape species collected from infested fennel fields in Sid L’Mokhtar in the Central West of Morocco was described and identified morphologically and molecularly. For molecular identification, 700 bp ITS regions were PCR-amplified from two representative individuals, OA and OY-4. The obtained sequences exhibited more than 99% similarity with the P. schultzii sequence (MT026593). In addition, maximum likelihood analysis placed our species with other referred P. schultzii in the same clade. Through molecular analysis, the broomrape species attacking fennel was identified as P. schultzii. This is the first record of the broomrape species P. schultzii parasitizing fennel (Foeniculum vulgare syn. Foeniculum officinale) in Morocco. Therefore, it should be considered that this parasite could spread to other cultivated fields causing severe yield losses, requiring urgent action through efficient control measures to avoid further spread of this parasitic weed.
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