Figures (3)  Tables (2)

    • Figure 1. 

      Macroscopic characteristics of E. sorghinum: colony on MEA medium after 7 incubation days (front and reverse). Representatives of morphological groups A, B and C.

    • Figure 2. 

      Micromorphological structures of E. sorghinum. (a) hyaline/brown dictyochlamydospores, and (b) Hyaline/brown glabrous pycnidia. Scale bars = 10 μm.

    • Figure 3. 

      Phylogenetic tree of the Epicoccum isolates obtained from sorghum samples, derived from sequences of the ITS and β-tubulin region of the nuclear ribosomal DNA.

    • Morphological groupIsolatesTeA concentration (μg·kg−1)
      ALMCIN-2.113,846.39
      LMCIN-5.37,556.21
      LMCIN-5.7112.45
      LMCIN-5.1111,948.50
      LMCIN-7.128,000.83
      LMCIN-8.12,001.46
      LMCIN-9.61,679.33
      LMCIN-9.115,129.46
      LMCIN-11.1548.78
      LMCIN-12.43,870.20
      LMCIN-18.4721.33
      BLMCIN-1.125,890.30
      LMCIN-3.216,395.00
      LMCIN-3.111,289.45
      LMCIN-7.23,058.24
      LMCIN-7.3389.49
      LMCIN-9.37,790.25
      LMCIN-9.105,900.17
      LMCIN-11.718,374.58
      LMCIN-13.547,237.28
      LMCIN-15.36,720.12
      LMCIN-16.43,245.55
      CLMCIN-6.92,190.36
      LMCIN-12.84,069.33
      LMCIN-18.716,280.38
      LMCIN-19.28,130.35

      Table 1. 

      Tenuazonic acid (TeA) concentration produced by assayed E. sorghinum isolates and their corresponding morphological group.

    • SpeciesIsolateCountryGenBank accession
      ITSTUB2
      E. sorghinumLMCIN-1.12ArgentineOQ971382OR125009
      E. sorghinumLMCIN-1.12ArgentineOQ971382OR125010
      E. sorghinumLMCIN-5.11ArgentineOQ971384OR125011
      E. sorghinumLMCIN-6.9ArgentineOQ971385OR125012
      E. sorghinumLMCIN-9.6ArgentineOQ971386OR125013
      E. sorghinumLMCIN-9.11ArgentineOQ971387OR125014
      E. sorghinumLMCIN-11.7ArgentineOQ971388OR125015
      E. sorghinumLMCIN-12.8ArgentineOQ971389OR125016
      E. sorghinumLMCIN-18.4ArgentineOQ971390OR125017
      E. sorghinumCBS 179.80Puerto RicoFJ427067FJ427173
      E. sorghinumCBS 627.68FranceFJ427072FJ427178
      E. sorghinumLC 4860ChinaKY742116KY742358
      E. viticisLC 5126ChinaKY742118KY742360
      E. camelliaeLC 4858ChinaKY742091KY742333
      E. latusicollumLC 5158ChinaKY742101KY742343
      E. pimprinumCBS 246.60IndiaFJ427049FJ427159
      E. longiostiolatumCBS 886.95Papua New GuineaFJ427074FJ427180
      Leptosphaeria doliolumCBS 505.75NetherlandsJF740205JF740144

      Table 2. 

      Reference sequences selected according to the taxonomic closeness and downloaded from GenBank to construct the phylogenetic tree.