Abstract We report the first successful production of
PRSV-P resistant backcross (BC) papaya plants following
intergeneric hybridisation between C. papaya
and a Vasconcellea species after 50 years of reports on
unsuccessful attempts. This follows our previous
reports of PRSV-P resistant F1 hybrids developed by
intergeneric hybridisation between C. papaya and
V. quercifolia. One PRSV-P resistant BC 1 (BC1) plant