The Plant Pathology Journal

Fig. 4.

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Fig. 4. Pathogenicity tests on twigs and leaves of apple cv. Galaxy and fruits cv. Cripps pink. (A) Twigs used as control ten days after inoculation with steril destiled wather. (B) Initial symptom on leaves three days after inoculation with the isolate L49 of Colletotrichum fructicola. (C) Detail of initial symptoms on leaves. (D) Necrotic lesions on leaves and presence abundant acervuli on leaf seven days after inoculation with the isolate F71 of C. fructicola. (E) Necrotic lesions on destached leaves seven days after inoculathion with the isolate L53 of C. fructicola (above) and leaves used as control (below). (F) Mild defoliation ten days after inoculation with the isolate L51 of C. karstii. (G) Severe defoliation ten days after inoculation with the isolate L49 of C. fructicola. (H) Lesions fruit (black arrows) 21 days after inoculation with the the isolate L53 of C. fructicola. (I) Detail of lesions fruit (J) Ascospore germinated of isolate L49 of C. fructicola after 12 hours of inoculation on apple leaf; (a) ascospore, (gt) germination tube and (ap) appressoria.
Plant Pathol. J. 2019;35:100-11 https://doi.org/10.5423/PPJ.OA.07.2018.0145
© 2019 Plant Pathol. J.