Reaction to the potato leafroll virus (PLRV) in diploid potatoes |
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Authors: | K. M. Swiezyński M. A. Dziewońska K. Ostrowska |
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Affiliation: | (1) Institute for Potato Research, Młochów, 05-832 Rozalin, Poland |
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Abstract: | Summary Diploid parents with some resistance to PLRV, were intercrossed to give 3 families with 191 clones which were evaluated for reaction to PLRV and yielding ability. After inoculation with PLRV the clones could be separated into those: 1) resistant, 2) susceptible, 3) intolerant, reacting with low virus concentration, 4) tolerant and 5) intermediate in reaction. Both the ELISA test and the evaluation of external disease symptoms were necessary to separate the clones. No correlation was found between resistance to PLRV and tuber yielding ability. |
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Keywords: | breeding for resistance tuber yield ELISA test |
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