The Inheritance of tungro resistance in rice selection CR94-13 and allelic relationships of genes for tungro resistance in CR94-13 and IR833-6-2-1 lines

Abstract

Inheritance of resistance to tungro virus was investigated in rice selection CR94-13 which is highly resistant to tungro. Allelic relationships of genes for resistance in CR94-13 and IR833-6-2-1 another resistant selection were also studied. F1, F2, F3 populations from the crosses CR94-13 x IR1416-131-5 and IR833-6-2-1 x CR94-13 were screened under heavy disease pressure under field conditions in South Sulawesi, Indonesia. The results indicated that two pairs of incompletely dominant genes conveyed resistance to tungro in CR94-13. In addition to the two pairs of incomplete...