000 03022nab a22004577a 4500
001 G76951
003 MX-TxCIM
005 20240919021145.0
008 210810s2003 xxu|||p|op||| 00| 0 eng d
022 _a1435-0653 (Online)
024 8 _ahttps://doi.org/10.2135/cropsci2003.1718
040 _aMX-TxCIM
041 _aeng
072 0 _aF01
072 0 _aP34
090 _aCIS-3749
100 1 _aNarro, L.
_8INT2062
_91730
_gGlobal Maize Program
_gIntegrated Development Program
245 1 0 _aUsing line x tester interaction for the formation of yellow maize synthetics tolerant to acid soils
260 _aUSA :
_bCSSA :
_bWiley,
_c2003.
340 _aComputer File
500 _aPeer review
500 _aPeer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0011-183X
520 _aBreeders need more information on selecting testers to identify lines for formation of synthetics and need more user-friendly methods to study general combining ability (GCA) and specific combining ability (SCA) of genotypes. Forty-three lines were crossed to two narrow-based (S3 line and S3 × S3 hybrid) and two broad-based testers, which were open-pollinated varieties (OPVs). Topcrosses (line × tester, L × T) were evaluated in eight acid soil environments. The additive main effect and multiplicative interaction (AMMI) and the site regression (SREG) models were used to study the GCA of the testers and lines and the SCA of the L × T interaction. The SREG biplot contains the effect of the lines plus the L × T interaction and displays both GCA and SCA, whereas the AMMI biplot contains the effect of the L × T interaction and displays only the SCA. One synthetic was developed by recombining six lines identified as superior by each tester. The four synthetics were evaluated in 12 acid and nine nonacid soil environments. The synthetic developed with the S3 line as tester yielded the highest and the one developed with an OPV as tester yielded the lowest. The AMMI and SREG models seem to provide an effective tool to visualize and study GCA and SCA of genotypes.
536 _aGenetic Resources Program|Global Maize Program
546 _aText in English
591 _a0309|Crop Science Society of America (CSSA)|AL-Maize Program
594 _aCCJL01|INT2062
650 7 _aPlant breeding
_gAGROVOC
_2
_91203
650 7 _92367
_aCombining ability
_2AGROVOC
650 7 _926603
_aCross-breeding
_2AGROVOC
650 7 _96574
_aOpen pollination
_2AGROVOC
650 7 _94688
_aAcid soils
_2AGROVOC
650 7 _96886
_aPhysiological stress resistance
_2AGROVOC
700 1 _aPandey, S.
_922017
700 1 _aCrossa, J.
_gGenetic Resources Program
_8CCJL01
_959
700 1 _96688
_aDe Leon, C.
700 1 _922018
_aSalazar, F.
773 0 _tCrop Science
_n632385
_gv. 43, no. 5, p. 1718-1728
_dUSA : CSSA : Wiley, 2003.
_wG444244
_x1435-0653
856 4 _yAccess only for CIMMYT Staff
_uhttps://hdl.handle.net/20.500.12665/893
942 _cJA
_2ddc
_n0
999 _c23053
_d23053