Effects of stacked quantitative resistances to downy mildew in lettuce do not simply add up.

doi:10.1007/s00122-014-2342-7

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Article

Effects of stacked quantitative resistances to downy mildew in lettuce do not simply add up.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik - 1 Aug 2014

den Boer Erik, Pelgrom Koen T B, Zhang Ningwen W, Visser Richard G F, Niks Rients E, Jeuken Marieke J W

Abstract excerpt

KEY MESSAGE: In a stacking study of eight resistance QTLs in lettuce against downy mildew, only three out of ten double combinations showed an increased resistance effect under field conditions. Complete race nonspecific resistance to lettuce downy mildew, as observed for the nonhost wild lettuce species Lactuca saligna, is desired in lettuce cultivation. Genetic dissection of L. saligna's complete resistance has...

Topics

Chromosome Mapping
Crosses, Genetic
Disease Resistance
Epistasis, Genetic
Genotype
Hybridization, Genetic
Inbreeding
Lactuca
Oomycetes
Plant Diseases
Quantitative Trait Loci

Source

Open in PubMed

Identifiers

PMID: 24927822
DOI: 10.1007/s00122-014-2342-7

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026.

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