Fig. 2

Stereoscopic and microscopic micrographs of dominant endophytic fungi isolated from maize seeds showing: (a, ×64; b, ×120) whitish, powdery mycelial growth and conidiophores bearing chains of microconidia and spore heads of Fusarium verticillioides (arrows); (c, ×64) branched conidiophores bearing conidia of F. incarnatum (arrow); (d, ×64) abundant mycelial growth and spore heads of Penicillium spp. (arrowhead); (e, ×120) Aspergillus flavus spore heads (arrowhead, (f, ×64) yellowish-green, fluffy to velvety conidiophores and conidia of Trichoderma spp. covering maize seeds (arrow); (g, ×64) black powdery mycelium and spore heads of A. niger (arrowheads); (h, ×64) dense, dark brown, velvety conidiophores and conidia of Curvularia lunata (arrowhead); (i, ×64) white mycelium bearing conidiophores ending with conidial droplets of Cephalosporium acremonium conidia (arrowhead; (j, ×1000) typical macroconidia and chlamydospores of F. incarnatum; (k, ×1000) micro- and macroconidia of F. verticillioides; and (l, ×1000) smooth-walled, dark conidia and conidiophore of C. lunata.