5 10 15 ^20 40 60 80 



CHLAMYDOSPORES XI0 2 /£S0IL 



Figure 1 - A. The relationship of percentages of infection of tomato 

 ('Bonnie Best') under growth-chamber conditions to densities of 

 chlamydo spores of Fusarium oxysporum f . sp. radicis-lycopersici in 



fumigated soil (0 0) , nonfumigated soil Qt— —X) , and fumigated soil 



amended with Trichoderma harzianum , Aspergillus ochraceus , and 

 Penicillium restrictum p #) . 



