Abstract
The genetic control of resistance to cucumber green mottle mosaic virus SH isolate (CGMMV-SH) in melon (Cucumis melo L.) ‘Chang Bougi’ was studied in progeny from crosses between ‘Chang Bougi’ and the susceptible cultivar ‘Perlita.’ F1, F2, and BC1 plants were mechanically inoculated with purified CGMMV-SH under controlled (30°C) and greenhouse (average temperature of 24.9°C) conditions. All F1 plants were susceptible to CGMMV-SH. The segregation ratios in F2 and backcross progeny indicated that resistance to CGMMV-SH in ‘Chang Bougi’ is dependent on two independent complementary recessive genes, which we propose to call cucumber green mottle mosaic virus resistance-1 (cgmmv-1) and cucumber green mottle mosaic virus resistance-2 (cgmmv-2).
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