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Whitaker, C., Pammenter, N.W., and Berjak, P. 2008. Infection of the cones and seeds of Welwitschia mirabilis by Aspergillus niger var. phoenicis in the Namib-Naukluft Park. South African Journal of Botany, 74(1): 41–50


Description:

Infection of the cones and seeds of Welwitschia mirabilis by Aspergillus niger var. phoenicis in the Namib-Naukluft Park.

Summary / Notes:

Welwitschia mirabilis Hook. fil. is a unique and rare dioecious desert gymnosperm endemic to the Namib Desert. The female plants bear 90–100 megasporophylls, of which 50–60% may be fertile, but up to 80% of those fertile seeds may be infected by Aspergillus niger var. phoenicis. This contamination results in seed and seedling death, potentially negatively affecting recruitment of plants into the population. Keywords: Aspergillus niger var. phoenicis, cones, infection, seeds, Welwitschia mirabilis.

Year: 2008

Type: Journal Article

URL: http://www.sciencedirect.com/science/article/pii/S0254629907003560


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