... Gossypium tomentosum grows and looks best in a ... is used on commercial cotton (about 16 ... A second fungus (Colletotrichum sp.) causes dark leaf ...

... is susceptible to a fungal leaf spot (Lophodermium sp.) and a ... of the more economically important species include cotton (Gossypium spp.), cacao ...

... One of these is Fusarium oxysporum f. sp ... Small infestations can be removed by hand, a strong jet of water, a cotton swab dipped in alcohol, or by ...