Pecan scab, caused by Venturia effusa, is the most economically damaging disease of pecan in southeastern United States, and annual epidemics are effectively managed through multiple fungicide applications. The applications can be single greatest operating cost for commercial growers return on that investment impacted resistance. V. effusa produces generations conidia per season, exhibits subst...

The fungus Venturia inaequalis clone No. 36 isolated from Malus domestica cv. Gloster excretes a melanoprotein of 36 kDa in relatively high amounts during growth in liquid culture. The protein was isolated from the culture medium and purified to homogeneity. It was shown to contain melanin. After raising an antiserum against the isolated protein, the protein could be shown to be located in the ...

Studies conducted during 2009-2013 at the Experimental Orchard located in the central region of Poland showed that the highest number of V. inaequalis pseudothecia occurred on ‘McIntosh’ and ‘Cortland’ leaves. A smaller number of pseudothecia was found on the leaves of the Alwa and Jonagold cultivars, but there were no statistical differences. The first discharges of ascospores were noted at a ...