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Selection for extreme resistance to potato virus Y by means of artificial infection of the seedlings



Selection for extreme resistance to potato virus Y by means of artificial infection of the seedlings



Archiv fur Zuchtungsforschung 7(4): 241-252



The following three-year selection sequence proved useful: (1) inoculation at the 2-4 or 4-6-leaved stage, with removal of shoot tips at the 6-8-leaved stage, followed by four roguings of visibly infected seedlings; (2) field cultivation of bulked seedlings, with repeated elimination of visibly infected material, together with selection according to normal breeding criteria and testing for latent infection; and (3) the same procedures as for (2) applied to the selected lines.

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Accession: 000493979

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