Begomovirus was identified as one of the causal agents causing yellow mosaic disease on
yard long bean (Vigna unguiculata subsp. sesquipedalis L.) in Java. Research was
conducted to characterize the virus based on its nucleotide sequences. Â Research was
started by field survey to collect leaf samples, followed by virus detection using polymerase
chain reaction and analysis of virus sequences. Â Samples from Tegal, Klaten, Magelang,
Cirebon, Subang, and Bogor were positively infected by Begomovirus based on specific …