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Articles

STUDIES ON SELECTION OF OLEA EUROPAEA L. CV. NEGRINHA

Article number
356_22
Pages
102 – 105
Language
Abstract
Olea europaea L. cv.
Negrinha is a table olive that is widespread and of significant economic importance in the province of Trás-os-Montes, northeast of Portugal.
Beginning in 1987 we initiated an yearly survey in five orchards, aiming at selecting individual trees showing high yield, high flesh/stone ratio of fruit, as well as being virus-free.

It was found, as diagnosed by ELISA tests that 10% of the marked trees, in the five orchards under study, were infected with Strawberry latent ringspot nepovirus (SLRV), 6% with Cucumber mosaic cucumovirus (CuMV) and 5% with Cherry leaf roll nepovirus (CLRV). Accumulated yield over a six years period and the analysis of average flesh/stone ratios, allowed the selection of highly productive individual trees in each orchard, which are being vegetatively propagation as potential “selected clones”.

Publication
Authors
F.A. Leitão, J.F. Serrano, M.F. Potes, M.I. Henriques, F.T. Rei
Keywords
Full text
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