An association between resistance to root aphid (Pemphigus bursarius L.) and downy mildew (Bremia lactucae
Regel) in lettuce |
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| Authors: | I R Crute J A Dunn |
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| Institution: | (1) National Vegetable Research Station, Wellesbourne, Warwick, UK |
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| Abstract: | Summary Many lettuce cultivars (Lactuca sativa L.) with high resistance to lettuce root aphid (Pemphigus bursarius L.) also carried the gene Dm-6 for specific resistance to downy mildew (Bremia lactucae
Regel). This suggests the possibility of linkage between this gene and root aphid resistance. The origin of this association is discussed. |
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| Keywords: | Lactuca sativa lettuce Pemphigus bursarius root aphid Bremia lactucae downy mildew resistance |
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