QTL for field resistance to late blight in potato are strongly correlated with maturity and vigour

A. Collins, D. Milbourne, L. Ramsay, R. Meyer, C. Chatot-Balandras, P. Oberhagemann, W. De Jong, C. Gebhardt, E. Bonnel, R. Waugh (Lead / Corresponding author)

Research output: Contribution to journalArticle

118 Citations (Scopus)

Abstract

Field resistance to Phytophthora infestans, the causal agent of foliage and tuber blight in cultivated potatoes, earliness (maturity) and vigour, were examined in a diploid segregating potato population grown in replicated trials over three consecutive growing seasons. A genetic linkage map of this population was constructed in parallel using PCR-based SSR, AFLP and CAPS markers. Analysis of the trait scores alongside the marker segregation data allowed the identification of regions of the genome which were significantly correlated with components of the respective characters. The most significant associations for all four traits were with marker alleles on potato linkage group V originating from the male (susceptible) parent. In the case of foliage resistance to late blight, the positions of the majority of the effects, which were located on eleven of the twelve potato linkage groups, have been detected in previous [16] and parallel studies [21]. The absence of Solanum demissum-derived R genes for hypersensitive response to late blight and the co-localisation of QTL for resistance, vigour and earliness suggest that developmental and/or physiological factors play a major role in determining the level of foliage resistance in this population. In contrast with previous findings, a negative correlation was found between foliage and tuber blight resistance.

Original languageEnglish
Pages (from-to)387-398
Number of pages12
JournalMolecular Breeding
Volume5
Issue number5
DOIs
Publication statusPublished - 1 Jan 1999

Fingerprint

Phytophthora infestans
Solanum tuberosum
vigor
quantitative trait loci
potatoes
linkage groups
blight
early development
leaves
tubers
Solanum demissum
Population
position effect (genetics)
vpr Genes
Solanum
Genetic Linkage
hypersensitive response
Diploidy
amplified fragment length polymorphism
chromosome mapping

Keywords

  • Earliness
  • Late blight
  • Linkage mapping
  • Potato
  • QTL
  • Vigour

Cite this

Collins, A., Milbourne, D., Ramsay, L., Meyer, R., Chatot-Balandras, C., Oberhagemann, P., ... Waugh, R. (1999). QTL for field resistance to late blight in potato are strongly correlated with maturity and vigour. Molecular Breeding, 5(5), 387-398. https://doi.org/10.1023/A:1009601427062
Collins, A. ; Milbourne, D. ; Ramsay, L. ; Meyer, R. ; Chatot-Balandras, C. ; Oberhagemann, P. ; De Jong, W. ; Gebhardt, C. ; Bonnel, E. ; Waugh, R. / QTL for field resistance to late blight in potato are strongly correlated with maturity and vigour. In: Molecular Breeding. 1999 ; Vol. 5, No. 5. pp. 387-398.
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abstract = "Field resistance to Phytophthora infestans, the causal agent of foliage and tuber blight in cultivated potatoes, earliness (maturity) and vigour, were examined in a diploid segregating potato population grown in replicated trials over three consecutive growing seasons. A genetic linkage map of this population was constructed in parallel using PCR-based SSR, AFLP and CAPS markers. Analysis of the trait scores alongside the marker segregation data allowed the identification of regions of the genome which were significantly correlated with components of the respective characters. The most significant associations for all four traits were with marker alleles on potato linkage group V originating from the male (susceptible) parent. In the case of foliage resistance to late blight, the positions of the majority of the effects, which were located on eleven of the twelve potato linkage groups, have been detected in previous [16] and parallel studies [21]. The absence of Solanum demissum-derived R genes for hypersensitive response to late blight and the co-localisation of QTL for resistance, vigour and earliness suggest that developmental and/or physiological factors play a major role in determining the level of foliage resistance in this population. In contrast with previous findings, a negative correlation was found between foliage and tuber blight resistance.",
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Collins, A, Milbourne, D, Ramsay, L, Meyer, R, Chatot-Balandras, C, Oberhagemann, P, De Jong, W, Gebhardt, C, Bonnel, E & Waugh, R 1999, 'QTL for field resistance to late blight in potato are strongly correlated with maturity and vigour', Molecular Breeding, vol. 5, no. 5, pp. 387-398. https://doi.org/10.1023/A:1009601427062

QTL for field resistance to late blight in potato are strongly correlated with maturity and vigour. / Collins, A.; Milbourne, D.; Ramsay, L.; Meyer, R.; Chatot-Balandras, C.; Oberhagemann, P.; De Jong, W.; Gebhardt, C.; Bonnel, E.; Waugh, R. (Lead / Corresponding author).

In: Molecular Breeding, Vol. 5, No. 5, 01.01.1999, p. 387-398.

Research output: Contribution to journalArticle

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T1 - QTL for field resistance to late blight in potato are strongly correlated with maturity and vigour

AU - Collins, A.

AU - Milbourne, D.

AU - Ramsay, L.

AU - Meyer, R.

AU - Chatot-Balandras, C.

AU - Oberhagemann, P.

AU - De Jong, W.

AU - Gebhardt, C.

AU - Bonnel, E.

AU - Waugh, R.

N1 - The work reported here was supported by grants from the Scottish Office Agriculture, Environment and Fisheries Department (SOAEFD) (RO502) and the European Union (FAIR CT94-1263). D. M. was supported by the British Potato Council. We are indebted to J. Bradshaw, H. Stewart and G. Mackay for critically reading the manuscript and sharing their experience on late blight resistance and potato improvement.

PY - 1999/1/1

Y1 - 1999/1/1

N2 - Field resistance to Phytophthora infestans, the causal agent of foliage and tuber blight in cultivated potatoes, earliness (maturity) and vigour, were examined in a diploid segregating potato population grown in replicated trials over three consecutive growing seasons. A genetic linkage map of this population was constructed in parallel using PCR-based SSR, AFLP and CAPS markers. Analysis of the trait scores alongside the marker segregation data allowed the identification of regions of the genome which were significantly correlated with components of the respective characters. The most significant associations for all four traits were with marker alleles on potato linkage group V originating from the male (susceptible) parent. In the case of foliage resistance to late blight, the positions of the majority of the effects, which were located on eleven of the twelve potato linkage groups, have been detected in previous [16] and parallel studies [21]. The absence of Solanum demissum-derived R genes for hypersensitive response to late blight and the co-localisation of QTL for resistance, vigour and earliness suggest that developmental and/or physiological factors play a major role in determining the level of foliage resistance in this population. In contrast with previous findings, a negative correlation was found between foliage and tuber blight resistance.

AB - Field resistance to Phytophthora infestans, the causal agent of foliage and tuber blight in cultivated potatoes, earliness (maturity) and vigour, were examined in a diploid segregating potato population grown in replicated trials over three consecutive growing seasons. A genetic linkage map of this population was constructed in parallel using PCR-based SSR, AFLP and CAPS markers. Analysis of the trait scores alongside the marker segregation data allowed the identification of regions of the genome which were significantly correlated with components of the respective characters. The most significant associations for all four traits were with marker alleles on potato linkage group V originating from the male (susceptible) parent. In the case of foliage resistance to late blight, the positions of the majority of the effects, which were located on eleven of the twelve potato linkage groups, have been detected in previous [16] and parallel studies [21]. The absence of Solanum demissum-derived R genes for hypersensitive response to late blight and the co-localisation of QTL for resistance, vigour and earliness suggest that developmental and/or physiological factors play a major role in determining the level of foliage resistance in this population. In contrast with previous findings, a negative correlation was found between foliage and tuber blight resistance.

KW - Earliness

KW - Late blight

KW - Linkage mapping

KW - Potato

KW - QTL

KW - Vigour

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Collins A, Milbourne D, Ramsay L, Meyer R, Chatot-Balandras C, Oberhagemann P et al. QTL for field resistance to late blight in potato are strongly correlated with maturity and vigour. Molecular Breeding. 1999 Jan 1;5(5):387-398. https://doi.org/10.1023/A:1009601427062