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- Author or Editor: R. Prowidenti x
- HortScience x
Abstract
A source of resistance to widespread and severe mosaic caused by cucumber mosaic virus (CMV) on late summer-grown lettuce in New York State was found in plant introduction (PI) 261653, an accession of Lactuca saligna L. from Portugal. Resistance to CMV was dominant in F1 plants of L. saligna × L. sativa L. However, this resistance was proved to be viral strain specific, necessitating the search for an additional source for the control of a newly recognized strain of CMV able to infect PI 261653 systemically.
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HortScience