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BIOCHEMICAL CHANGES FOLLOWING THE INFLUENCE OF PDV VIRUS IN SOME VARIETIES OF PLUM AND OF ACLSV VIRUS IN SOME VARIETIES OF APPLE

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Author(s): Catita Plopa | Claudia Nicola | Sina Cosmulescu

Journal: Scientific Papers of the Research Institute for Fruit Growing Pitesti, Romania
ISSN 1584-2231

Volume: XXVII;
Start page: 153;
Date: 2011;
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Keywords: virus | PDV | ACLSV

ABSTRACT
The objectives of this study was to emphasize the effects caused by Prune dwarf virus on leaves and branches of the plum and the effect of Apple chlorotic leaf spot virus on fruit of the apple. The analyze made on ‘Renclod Althan’, ‘Vânăt românesc’, ‘Vânăt de Italia’, ‘D'Agen’ and ‘Centenar’ varieties showed that Prune dwarf virus produced lower content in carbohydrate and total nitrogen. Samples found positive to Prune dwarf virus showed a lower content of total polyphenols average of 11.03 mg/g EGA versus 15.97 mg/g EGA in healthy samples. Modification following viral infections by Apple chlorotic leaf spot virus in apple fruit varieties of Wagener premiat, ‘Golden delicious’ and ‘Idared’ varieties was manifested by decrease in total sugar content, P, K, Ca and Mg.
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