Fig. 1From: Involvement of jasmonic acid, ethylene and salicylic acid signaling pathways behind the systemic resistance induced by Trichoderma longibrachiatum H9 in cucumberTransmission electron micrographs indicated that T. longibrachiatum H9 had colonized the cucumber roots. Trichoderma hyphae developed at the root surface (a), penetrated into the root epidermis (b), and progressed towards the cortex (c). Arrows indicate Trichoderma hyphae. Bars: A, 10 μm; B, 500 μm; C, 500 μmBack to article page