Question

a disease causing yellowing, wilting and eventual death of cotton plants, with characteristic browning of the internal vascular tissue when the stem is cut open, and which survives in the soil for extended periods, is caused by which soil-borne fungus?

A Alternaria macrospora
B Xanthomonas citri
C Fusarium oxysporum
D Colletotrichum gossypii
E Rhizoctonia bataticola
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