Fusarium in Tuber Rot and Wilt of Potato 



1 i 



produce wilt, or whether the potato plant enjoys an effective or 

 practical immunity rather than an absolute one. Even though 

 Wollenwebee (41) did ii< it consider /•'. trichothecioides a wilt 



A 



B 



C 



Fig. 1. — Tuber r. it produced in laboratory with Fusarium oxysporum, and 

 F. trichothecioides, .1 soft rot produced by / ; . oxysporum, incubated at 20° 

 C. for 17 days, Early Ohio variety ; B, exterior of tuber retted by / ; tricho- 

 thecioides, incubated at 20° C. for 17 days, Early Ohio variety; C. dry rot 

 produced by /•'. trichothecioides, incubated at •-'<>" C for 17 days, Early Ohio 

 \ anct\ - 



