Fusarium in Tuber Rot and Wilt of Potato 



23 



irrigation ceases and no more soil is heaped about the crown of the 

 plant and transpiration requirements must be met by badly infected 



lower roots and a few healthy upper ones without the possibility 

 of developing new roots, the plant soon succumbs. In this way we 

 get the exceedingly frequent phenomenon of large plants, usually 



