46 



5 10 15 20 



WEEKS AFTER PLANTING 



Figure 9 - A. Relationship of population density of Triehoderma spp. 



(X- X) , Aspergillus spp . (0 0) , and Penicillium spp"! ( 9 < ) "to 



time after planting in soils amended with three isolates of T. 

 harzianum , one isolate of A. ochraceus, and one isolate of P. restrictum 

 at 5 X 10-5 conidia per isolate per plant under field conditions. 



