Figures (10)  Tables (1)

    • Figure 1. 

      Cultural characteristics of fungal isolates isolated from infected Parthenium leaves: (a)–(d) Diseased Parthenium leaves. (e) Alternaria macrospora strain PHMMU1. (f) Alternaria alternata strain PHMMU2. (g) Alternaria macrospora strain PHMMU4. (h) Alternaria macrospora strain PHMMU3.

    • Figure 2. 

      Disc plate method. (a) Spores released from the fungal culture discs and penetration into Parthenium leaves. (b)–(e) Symptoms on Parthenium leaves after 72 h at 25 °C.

    • Figure 3. 

      Error bar plot with different types of fungi.

    • Figure 4. 

      Error bar plot for different time intervals.

    • Figure 5. 

      Error bar plot at various temperatures.

    • Figure 6. 

      Error bar plot at various pH levels.

    • Figure 7. 

      Surface plot for time-temperature interaction.

    • Figure 8. 

      Contour plot for time-temperature interaction.

    • Figure 9. 

      Surface plot for time-pH interaction.

    • Figure 10. 

      Contour plot for time-pH interaction.

    • Sr. no. Plant part Fungal name Strain no. Accession no.
      1. Leaf Alternaria macrospora PHMMU1 PQ433119
      2. Leaf Alternaria alternata PHMMU2 PQ483096
      3. Leaf Alternaria macrospora PHMMU3 PQ483101
      4. Leaf Alternaria macrospora PHMMU4 PQ483102

      Table 1. 

      List of fungal isolates used in the study with their accession number.