Detection and transmission of Fusarium verticillioides in corn seeds according to the plant stage

The objective of this study was to evaluate the transmissibility F. verticillioides, in corn seeds, when inoculated different phenological stages. plants were with pathogen at following stages: V7, V9, R1, R2, R4, and R6. experiments conducted pots, a completely randomized design, six replications. fungus infection rate seeds verified through health test (Blotter Test). significance contrast between stages two (rainy season dry season), productivity showed plant-seed transmission verticillioides all PCR technique able reveal up lowest level, 1% incidence seeds. There significant difference times plant inoculation Plants reproductive phase transmitted for highest infection, experiments, rainy (V7 - 48; V9 46; R1 77.33; R2 84; R4 96; R6 96.67; Test 14.67%), 46.67; 66; 75.33; 95.33; 98; 97.33%). In way, present work demonstrated that R6, more susceptible it also resulted decrease grain productivity.