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Research Bulletin No. g 



A 



C 



B 



D 



Fig. ii. — Tuber rot of Red Cobbler variety produced by inoculation with Fusa- 

 rium oxysporum; A, B, external and sectional view of same tuber, incubated for 30 days 

 12 C; C, D, external and sectional view of same tuber, incubated for 30 days at 25° C. 



