Fig. 4. Relationship between DON production and biomass of F. graminearum 124 (a) and F. culmorum 627 (b) both alone and
with T. gamsii 6085 on rice resulting from the analysis of variance of regression of data of biomass and DON from each replicate
(line). F. graminearum data at 14 and 21 days ($) were analysed separately from those at 7 days (m).