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ISOLATION AND GROWTH OF STRAINS OF XYLELLA-FASTIDIOSA FROM INFECTED GRAPEVINES ON NUTRIENT AGAR MEDIA
Two grape strains (FC and C) of the causal organism of Pierce’s disease (PD) of grapevine, Xylella fastidiosa, were isolated from infected grape petioles onto PD3 medium, nutrient agar (NA), and NA...
MULTIPLICATION AND TRANSLOCATION OF XYLELLA-FASTIDIOSA IN PETIOLES AND STEMS OF GRAPEVINE RESISTANT, TOLERANT, AND SUSCEPTIBLE TO PIERCES DISEASE
Petioles of Vitis vinifera ‘French Colombard’ (susceptible to Pierce’s disease), and V. rotundifolia ‘Carlos’ (tolerant) and ‘Noble’ (resistant) were inoculated with virulent strain FC of Xylella f...
RESPONSE OF RESISTANT, TOLERANT, AND SUSCEPTIBLE GRAPEVINE TISSUES TO INVASION BY THE PIERCES DISEASE BACTERIUM, XYLELLA-FASTIDIOSA
Microtechniques were used to quantify occlusion of leaf veins of grapevines inoculated with Xylella fastidiosa. Bacteria and pectins were responsible for most occlusions in xylem vessels of inocula...
