Abiotic stress QTL in lettuce crop-wild hybrids: comparing greenhouse and field experiments.

ABSTRACT: The development of stress-tolerant crops is an increasingly important goal of current crop breeding. A higher abiotic stress tolerance could increase the probability of introgression of genes from crops to wild relatives. This is particularly relevant to the discussion on the risks of new GM crops that may be engineered to increase abiotic stress resistance. We investigated abiotic stress QTL in greenhouse and field experiments in which we subjected recombinant inbred lines from a cross between cultivated Lactuca sativa cv. Salinas and its wild relative L. serriola to drought, low nutrients, salt stress, and aboveground competition. Aboveground biomass at the end of the rosette stage was used as a proxy for the performance of plants under a particular stress. We detected a mosaic of abioti

SUBMITTER: Hartman Y 

PROVIDER: S-EPMC4203288 | biostudies-literature | 2014 Jun

REPOSITORIES: biostudies-literature