3.4 Interaction between Melampsora sp. and S. musiva Leaf Infection
Melampsora sp. leaf rust infection severity was dependent upon the disease severity of S. musiva leaf spot symptoms (F = 35.2, p-value = 0.0001) (Table 3). The severity of Melampsora sp. infection for individuals with no S. musiva leaf spot was significantly higher than for individuals with S. musiva leaf spot symptoms (Figure 5). Similarly, S. musiva leaf spot disease severity was dependent upon the levels of Melampsora sp. leaf rust (F = 31.5, p-value = 0.0001). S. musiva leaf spot infection severity was significantly lower for individuals with aMelampsora sp. leaf spot score of 3 compared to individuals with less severe Melampsora sp. leaf spot symptoms (Figure 5).