000 | 02952nab|a22003977a|4500 | ||
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001 | 68017 | ||
003 | MX-TxCIM | ||
005 | 20241126151546.0 | ||
008 | 20249s2024||||mx |||p|op||||00||0|eng|d | ||
022 | _a0031-949X | ||
022 | _a1943-7684 (Online) | ||
024 | 8 | _ahttps://doi.org/10.1094/PHYTO-01-24-0018-R | |
040 | _aMX-TxCIM | ||
041 | _aeng | ||
100 | 0 |
_aMotohiro Yoshioka _937287 |
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245 | 1 | 0 | _aRmg10, a novel wheat blast resistance gene derived from Aegilops tauschii |
260 |
_bAmerican Phytopathological Society, _c2024. _aSt. Paul, MN (United States of America) : |
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500 | _aPeer review | ||
520 | _aWheat blast, caused by Pyricularia oryzae (syn. Magnaporthe oryzae) pathotype Triticum (MoT), is a devastating disease that can result in up to 100% yield loss in affected fields. To find new resistance genes against wheat blast, we screened 199 accessions of Aegilops tauschii, the D genome progenitor of common wheat (Triticum aestivum), by seedling inoculation assays with Brazilian MoT isolate Br48 and found 14 resistant accessions. A synthetic hexaploid wheat line (Ldn/KU-2097) derived from a cross between the T. turgidum ‘Langdon’ (Ldn) and resistant A. tauschii accession KU-2097 exhibited resistance in seedlings and spikes against Br48. In an F2 population derived from ‘Chinese Spring’ × Ldn/KU-2097, resistant and susceptible individuals segregated in a 3:1 ratio, suggesting that the resistance from KU-2097 is controlled by a single dominant gene. We designated this gene Rmg10. Genetic mapping using an F2:3 population from the same cross mapped the RMG10 locus to the short arm of chromosome 2D. Rmg10 was ineffective against Bangladesh isolates but effective against Brazilian isolates. Field tests in Bolivia showed increased spike resistance in a synthetic octaploid wheat line produced from a cross between common wheat cultivar ‘Gladius’ and KU-2097. These results suggest that Rmg10 would be beneficial in farmers’ fields in South America. | ||
546 | _aText in English | ||
650 | 7 |
_aAegilops tauschii _2AGROVOC _930145 |
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650 | 7 |
_aMagnaporthe _2AGROVOC _95942 |
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650 | 7 |
_aPyricularia oryzae _2AGROVOC _919835 |
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650 | 7 |
_aResistance genes _2AGROVOC _932099 |
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650 | 7 |
_aWheat _2AGROVOC _91310 |
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700 | 1 |
_aKishii, M. _gGlobal Wheat Program _8INT2678 _9849 |
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700 | 1 |
_aPawan Kumar Singh _gGlobal Wheat Program _8INT2868 _9868 |
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700 | 0 |
_aYoshihiro Inoue _937288 |
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700 | 0 |
_aTrinh Thi Phuong Vy _937289 |
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700 | 0 |
_aYukio Tosa _917677 |
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700 | 0 |
_aSoichiro Asuke _930769 |
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773 | 0 |
_tPhytopathology _gv. 114, no. 9, p. 2113-2120 _dSt. Paul, MN (United States of America) : American Phytopathological Society, 2024 _x0031-949X _w444676 |
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942 |
_cJA _n0 _2ddc |
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999 |
_c68017 _d68009 |