Figure 1.

Symptoms of Fusarium graminearum infection 7 days after inoculation (DAI) on plant introduction (PI) 424354 and Conrad (high levels of resistance) compared with Williams and Sloan (lower levels of resistance). Seed was inoculated with 2.4 × 104 macroconidia mL−1 in a rolled towel assay.


Figure 2.

Distribution of best linear unbiased predictor (BLUP) values for the disease severity index (DSI) among F6:8 recombinant inbred lines derived from a cross of Conrad (resistant) × Sloan (susceptible) at 7 days after inoculation with a 2.5 × 104 macroconidia mL−1 of Fusarium graminearum.


Figure 3.

Genetic maps generated from the genotype data from the Conrad (resistant) × Sloan (susceptible) F6:8 recombinant inbred lines using JoinMap4.0 (van Ooijen, 2006) and logarithm of odds (LOD) charts of the putative quantitative trait loci (QTLs) from composite interval mapping analysis by MapQTL 5.0 (van Ooijen, 2004). The chromosome number and assigned molecular linkage group is listed above each linkage group. Colored lines indicate regions where putative QTLs overlap with QTLs identified for other soybean pathogens, and an asterisk indicates significance of a molecular marker from both pathogens. The different pathogens are indicated by color: blue (Fusarium virguliforme), red (Phytophthora sojae), and yellow (Sclerotinia sclerotiorum).