Further studies on co-infection of cowpea by sunn-hemp mosaic virus and cowpea mosaic virus

Stuart R. Chant, Ibraheem S. Gbaja


The effect of single infection and combined infections on two cultivars of cowpeas by cowpea mosaic virus (CPMV) and sunn-hemp mosaic virus (SHMV) is described. In contrast to previous studies on other cultivars, co-infection reduced fresh weight and leaf area significantly more than did infection by either pathogen alone. More CPMV and less SHMV was extracted from the leaf tissues of co-infected seedlings than from comparable tissues of seedlings infected by either of these viruses alone.


Viruses; Co-infection; Vigna unguiculata (L.) Walp.; Cowpea

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