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024 8 _ahttps://doi.org/10.1016/j.pbi.2009.01.006
040 _aMX-TxCIM
041 0 _aEn
072 0 _aF30
100 1 _aCooper, M.
245 0 0 _aModeling QTL for complex traits:
_b detection and context for plant breeding
260 _c2009
500 _aPeer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=1369-5266
520 _aThe genetic architecture of a trait is defined by the set of genes contributing to genetic variation within a reference population of genotypes together with information on their location in the genome and the effects of their alleles on traits, including intra-locus and inter-locus interactions, environmental dependencies, and pleiotropy. Accumulated evidence from trait mapping studies emphasizes that plant breeders work within a trait genetic complexity continuum. Some traits show a relatively simple genetic architecture while others, such as grain yield, have a complex architecture. An important advance is that we now have empirical genetic models of trait genetic architecture obtained from mapping studies (multi-QTL models including various genetic effects that may vary in relation to environmental factors) to ground theoretical investigations on the merits of alternative breeding strategies. Such theoretical studies indicate that as the genetic complexity of traits increases the opportunities for realizing benefits from molecular enhanced breeding strategies increase. To realize these potential benefits and enable the plant breeder to increase rate of genetic gain for complex traits it is anticipated that the empirical genetic models of trait genetic architecture used for predicting trait variation will need to incorporate the effects of genetic interactions and be interpreted within a genotype-environment-management framework for the target agricultural production system.
546 _aEnglish
591 _aElsevier
593 _aCarelia Juarez
595 _aRPC
650 1 0 _aQTL
650 1 7 _aPlant breeding
_gAGROVOC
_2
_91203
700 1 _aHammer, G.L.,
_ecoaut.
700 1 _aMessina, C.,
_ecoaut.
700 1 _aPodlich, D.W.,
_ecoaut.
700 1 _aVan Eeuwijk, F.A.,
_ecoaut.
773 0 _tCurrent Opinion in Plant Biology
_gv. 12, no. 2, p. 231-240
942 _cJA
999 _c29248
_d29248