Figures (7)  Tables (2)

    • Figure 1.  Observed symptoms of dry rot in samples collected in La Trinidad. A Benguet showing surface dark depression. B wrinkled and dry skin. C mycelial clumps in dead skin.

    • Figure 2.  Cultural characteristics represented by A A. flavus. B A. fumigatus. C A. niger. D F. oxysporum. E F. solani. F M. velutinosus.

    • Figure 3.  Morphological characteristics represented by A A. flavus. B A. fumigatus. C A. niger.D F. oxysporum. E F. solani. F M. velutinosus (400X).

    • Figure 4.  Antagonistic interaction represented by; A M. velutinosus (left) and A. flavus (right). B hyphal denaturation and lysed cells of A. flavus (400x). C M. velutinosus (left) and A. fumigatus(right). D hyphal denaturation and lysed cells of A. fumigatus (400x). E M. velutinosus (left) and F. solani (right). F hyphal penetration of M. velutinosus to F. solani (400x). G M. velutinosus (left) and F. oxysporum (right). H hyphal penetration of M. velutinosus to F. oxysporum (400x). I M. velutinosus (left) and A. niger (right). J hyphal denaturation and lysed cells of M. velutinosus (400x).

    • Figure 5.  Antagonistic interaction represented by; A A. flavus (left) and A. fumigatus (left). B lysed cells of conidiophores of A. flavus (400x). C A. flavus (left) and F. oxysporum (right). D hyphal coiling of F. oxysporum leading to hyphal denaturation of A. flavus (400x). E A. flavus (left) and A. niger (right). F hyphal denaturation of A. flavus (400x). G A. flavus (left) and F. solani (right). H hyphal denaturation and lysed cells of F. solani (400x).

    • Figure 6.  Antagonistic interaction represented by; A A. fumigatus (left) and F. solani (right).B hyphal denaturation of A. fumigatus (400x). CA. fumigatus (left) and F. oxysporum (right). D lysed cells of A. fumigatus (400x). EA. fumigatus (left) and A. niger (right). F lysed cells of A. fumigatus (400x).

    • Figure 7.  Antagonistic interaction represented by; A F. solani (left) and F. oxysporum (right). B hyphal penetration of F. oxysporum to F. solani (400x). C F. solani (left) and A. niger (right). D hyphal denaturation and lysed cell of F. solani (400x). E F. oxysporum (right) and A. niger (left). F hyphal penetration of F. oxysporum to A. niger (400x).

    • Isolate No. FacesofFungi Number Species E-Value Identify Accession
      1 FoF 09597 Aspergillus flavus 0.0 100.00% MN511747.1
      2 FoF 10086 Aspergillus fumigatus 0.0 100.00% MF540309.1
      3 FoF 10087 Aspergillus niger 0.0 99.82% KY607770.1
      4 FoF 03824 Fusarium oxysporum 0.0 95.06% MG372014.1
      5 FoF 01873 Fusarium solani 0.0 100.00% MN202790.1
      6 FoF 10088 Mucor velutinosus 0.0 96.45% KY203942.1

      Table 1.  Identities of the identified fungi with Facaesoffungi number using BLAST with NCBI Genbank Accession number.

    • Interacting Fungi Interaction
      M. velutinosus(+) A. flavus(-) Antagonism
      M. velutinosus(+) A. fumigatus(-) Antagonism
      M. velutinosus(+) F. solani(-) Antagonism
      M. velutinosus(+) F. oxysporum(-) Antagonism
      M. velutinosus(-) A. niger(+) Antagonism
      A. flavus(-) A. fumigatus(+) Antagonism
      A. flavus(+) F. solani(-) Antagonism
      A. flavus(-) F. oxysporum(+) Antagonism
      A. flavus(-) A. niger(+) Antagonism
      A. fumigatus(-) F. solani(+) Antagonism
      A. fumigatus(-) F. oxysporum(+) Antagonism
      A. fumigatus(-) A. niger(+) Antagonism
      F. solani(-) F. oxysporum(+) Antagonism
      F. solani(-) A. niger(-) Antagonism
      F. oxysporum F. oxysporum Antagonism
      F. oxysporum(+) A. niger(-) Antagonism
      (+) aggressor, (-) victim

      Table 2.  Antagonistic interaction of isolated fungi in potato tuber infected with dry rot disease.