Effect of the mycelium, diffused substances and extracts of the fungus <i>Cladosporium herbarum</i> (Pers.) link on the <i>in vitro</i> and <i>in vivo</i> growth of grapevine (<i>Vitis vinifera</i> L.) cv. Cabernet Sauvignon
AbstractThe fungus Cladosporium herbarum (Pers.) Link was cocultured with plantlets of grapevine (Vitis vinifera L.) cv. Cabernet Sauvignon in vitro and ex vitro. The mycelium of the fungus stimulates growth of the plantlets. This is probably exerted by the diffusion of some growth and/or nutritional substance(s) of unknown chemical nature. In another trial filtrates of the fungus and fungus extracts were added to the culture medium of grapevine plantlets in different concentrations. The fungus extracts stimulated growth of plantlets at low concentrations and inhibited growth at high concentrations.
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