Articles

EVALUATION OF THE INTERSPECIFIC PROGENY PRUNUS PERSICA CV SUMMERGRAND X PRUNUS DAVIDIANA FOR DISEASE RESISTANCE AND SOME AGRONOMIC FEATURES

Article number
465_21
Pages
185 – 192
Language
Abstract
Since 1987, 78 genotypes from a cross between ‘Summergrand’ and Prunus davidiana have been evaluated for the main diseases and pests of Peach trees in France, i.e. powdery mildew (Sphaerotheca pannosa), peach leaf curl (Taphrina deformans), brown rot on shoot (Monilinia laxa), green aphid (Myzus persicae), nematodes (Meloidogyne incognita) and sharka (plum pox virus). Agronomic characters such as vigor, blooming date, ripening date, fruit size were also observed.
The tests of resistance carried out at different stages (juvenile / adult) under various environmental conditions (greenhouse, insect-proof tunnel, nursery and orchard) are presented.
From the results, it appears that the progeny studied is heterogeneous for some characters and homogeneous for others.

Publication
Authors
T. Pascal, J. Kervella, F.G. Pfeiffer, M.H. Sauge, D. Esmenjaud
Keywords
test of resistance, powdery mildew, peach leaf curl, brown rot, green aphid, nematodes, plum pox virus
Full text
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