Distribution of Two Species of Begomoviruses Infecting Blackgram in Andhra Pradesh

摘要

Background: Yellow mosaic diseases of blackgram is caused by two species of begomoviruses (MYMV, MYMIV). It is known fact that certain varities which are resistant to one species are susceptible to another species when screened by agroinoculations. Hence data on distribution of DNA-A B components of MYMV / MYMIV under field conditions were not available in Andhra Pradesh.