| 000 | 02493nab a22003617a 4500 | ||
|---|---|---|---|
| 001 | G89448 | ||
| 003 | MX-TxCIM | ||
| 005 | 20220610215100.0 | ||
| 008 | 220610s2006 it |||p|op||| 00| 0 eng d | ||
| 022 | _a2279-8013 | ||
| 040 | _aMX-TxCIM | ||
| 041 | _aeng | ||
| 090 | _aCIS-4823 | ||
| 100 | 1 |
_aKermicle, J.L. _927757 |
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| 245 | 1 | 4 | _aThe Gametophyte-1 locus and reproductive isolation among Zea mays subspecies |
| 260 |
_aBergamo (Italy) : _bIstituto Sperimentale per la Cerealicoltura, _c2006. |
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| 340 | _aPrinted | ||
| 500 | _aPeer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0025-6153 | ||
| 500 | _aPeer review | ||
| 500 | _aOpen Access | ||
| 520 | _aFourteen paired populations of annual teosinte and an associated maize landrace were characterized for allelic composition of the potential crossing barrier locus ga1. The four populations of subspecies parviglumis teosinte carried predominately ga1 or Ga1-m, both of which are receptive to ga1 pollen. The sole population of subspecies huehuetenangensis was polymorphic for Ga1-m and for Ga1-s, which is unreceptive to ga1 pollen. Ga1-s predominated among the six weedy populations of subspecies mexicana whereas the three ruderal/weedy populations of this subspecies contained ga1 or Ga1-m. This distribution suggests a role for Ga1-s enabling weedy populations to grow in intimate association with maize. However, the predominant allele in sympatric maize landraces proved to be Ga1-m, which regularly fertilized Ga1-s in controlled crosses. The Ga1-s pistil barrier thus would seem unable to prevent teosinte from being fertilized by sympatric maize. Nevertheless, Ga1-s pollen fertilized Ga1-s Ga1-s plants somewhat more effectively than Ga1-m when both were present. This preference may be strengthened by modifier gene differences between teosinte and maize, thereby providing partial reproductive isolation between the two. | ||
| 546 | _aText in English | ||
| 595 | _aCSC | ||
| 650 | 7 |
_99088 _aZea mexicana _2AGROVOC |
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| 650 | 7 |
_aMaize _2AGROVOC _91173 |
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| 650 | 7 |
_93563 _aGenes _2AGROVOC |
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| 650 | 7 |
_99820 _aReproduction _2AGROVOC |
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| 700 | 1 |
_aTaba, S. _93806 |
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| 700 | 1 |
_aEvans, M.M.S. _927758 |
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| 773 | 0 |
_tMaydica _n634382 _gv. 51, no. 2, p. 219-225 _dBergamo (Italy) : Istituto Sperimentale per la Cerealicoltura, 2006. _wG444598 _x2279-8013 |
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| 856 |
_uhttp://hdl.handle.net/10883/1705 _yOpen Access through DSpace |
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| 942 |
_cJA _2ddc _n0 |
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| 999 |
_c26435 _d26435 |
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