Ambretta Cecchi Fiordi

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Some Authors belief that the basidiospore germ tubes of rust fungi penetrate angiosperms directly and gymnosperms indirectly, hypothesizing that the different strategies of basidiospore-derived penetrations could be ascribed to the heavily cutinized and thick walled epidermal cells of the leaves of gymnosperms. In this paper the surface tissues of the(More)
In megasporogenesis ofTorreya nucifera (Taxaceae) more than one product of meiosis can start to germinate, a process previously observed inTaxus. Ultrastructural analysis ofT. nucifera revealed that this behaviour is cytologically determined by the presence of a transfer cell type wall-membrane apparatus and by the presence of uncommonly complex(More)
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