Abstract
The genetics of specific resistance was studied in F2 populations which segregated for either one or two resistance genes. The resistance factors 1, 11 and 14 which had not previously been characterized genetically segregated as single dominant genes (Dm). Resistance was determined by three linkage groups; R 1/14, 2, 3, and 6 in the first, R 5/8, and 10 in the second and R 4, 7 and 11 in the third. Cultivars of lettuce commonly used in the differential series to detect virulence to R3 and R10, were demonstrated to carry two tightly linked resistance genes. Implications of this linkage arrangement to the manipulation and characterization of these resistance genes are discussed.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 520-528 |
| Number of pages | 9 |
| Journal | Theoretical And Applied Genetics |
| Volume | 70 |
| Issue number | 5 |
| DOIs | |
| State | Published - Aug 1985 |
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Keywords
- Host/parasite interaction
- Specific resistance
ASJC Scopus subject areas
- Genetics(clinical)
- Genetics
- Plant Science
- Horticulture
- Agronomy and Crop Science
Cite this
Linkage analysis of genes for resistance to downy mildew (Bremia lactucae) in lettuce (Lactuca sativa). / Hulbert, S. H.; Michelmore, Richard W.
In: Theoretical And Applied Genetics, Vol. 70, No. 5, 08.1985, p. 520-528.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Linkage analysis of genes for resistance to downy mildew (Bremia lactucae) in lettuce (Lactuca sativa)
AU - Hulbert, S. H.
AU - Michelmore, Richard W
PY - 1985/8
Y1 - 1985/8
N2 - The genetics of specific resistance was studied in F2 populations which segregated for either one or two resistance genes. The resistance factors 1, 11 and 14 which had not previously been characterized genetically segregated as single dominant genes (Dm). Resistance was determined by three linkage groups; R 1/14, 2, 3, and 6 in the first, R 5/8, and 10 in the second and R 4, 7 and 11 in the third. Cultivars of lettuce commonly used in the differential series to detect virulence to R3 and R10, were demonstrated to carry two tightly linked resistance genes. Implications of this linkage arrangement to the manipulation and characterization of these resistance genes are discussed.
AB - The genetics of specific resistance was studied in F2 populations which segregated for either one or two resistance genes. The resistance factors 1, 11 and 14 which had not previously been characterized genetically segregated as single dominant genes (Dm). Resistance was determined by three linkage groups; R 1/14, 2, 3, and 6 in the first, R 5/8, and 10 in the second and R 4, 7 and 11 in the third. Cultivars of lettuce commonly used in the differential series to detect virulence to R3 and R10, were demonstrated to carry two tightly linked resistance genes. Implications of this linkage arrangement to the manipulation and characterization of these resistance genes are discussed.
KW - Host/parasite interaction
KW - Specific resistance
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UR - http://www.scopus.com/inward/citedby.url?scp=0001245774&partnerID=8YFLogxK
U2 - 10.1007/BF00305985
DO - 10.1007/BF00305985
M3 - Article
C2 - 24253062
AN - SCOPUS:0001245774
VL - 70
SP - 520
EP - 528
JO - Theoretical And Applied Genetics
JF - Theoretical And Applied Genetics
SN - 0040-5752
IS - 5
ER -