01433naa a2200253 a 450000100080000000500110000800800410001902400570006010000220011724500920013926000090023152007250024065000090096565000100097465000120098465000120099665000170100865000230102565000170104865300100106565300150107570000180109077300710110812065622022-04-14       1996    bl uuuu     u00u1 u    #d7 ahttps://doi.org/10.1590/S0100-845519960004000122DOI1 aFILIPPI, M. C. de  aInheritance of blast resistance in rice to two Pyricularia grisea races, IB-1 and IB-9.  c1996  aSeven sources of resistance to the two predominant races IB-1 and IB-9 of the rice blast pathogen Pyricularia grisea were selected based on leaf blast reaction in tests conducted under controlled greenhouse conditions. Crosses involving resistant and susceptible parents were made to study the inheritance of the disease reaction for different sources of resistance. The F1 and F2 progenies of all crosses, including backcrosses to resistant and susceptible parents, were tested for reaction to leaf blast. The data showed that resistance is controlled by one to three genes that segregate independently in most of the donors. Non-allelic interaction among resistance genes, including dominant epistasis, was identified.  arice  aArroz  aBrusone  aCerrado  aOryza Sativa  aPyricularia Grisea  aResistência  aBlast  aResistance1 aPRABHU, A. S.  tBrazilian Journal of Geneticsgv. 19, n. 4, p. 599-604, Dec. 1996.