| detection of a new luteovirus in imported nectarine trees: a case study to propose adoption of metagenomics in post-entry quarantine. | in spring 2013, 5-year-old nectarine (prunus persica) trees, grafted on peach rootstock nemaguard, were found stunted in a propagation block in california. these trees had been propagated from budwood of three nectarine cultivars imported from france and cleared through the post-entry quarantine procedure. examination of the canopy failed to reveal any obvious symptoms. however, examination of the trunks, after stripping the bark, revealed extensive pitting on the woody cylinder. to investigate ... | 2015 | 25775105 |