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_aNelson, R. R. _980799 |
| 245 | 1 | _aBreeding plants for disease resistance ; concepts and applications | |
| 260 |
_aUniversity Park, Penn. : _bPennsylvania State University, _c1973 |
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| 300 | _a401 p. | ||
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_aBATCH-UPD _b10 _c20130110 _lUCH01 _h1553 |
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_aPlantas _xMejoramiento. _988849 |
| 650 | 1 | 4 |
_aPlantas _xResistencia a enfermedades. _988882 |
| 650 | 1 | 4 |
_aPlantas _xResistencia a plagas. _988885 |
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