Definitions:

1. A genus of bacteria known for causing a variety of plant disease. NOUN
   • Researchers are developing new methods to control Xanthomonas bacteria and protect agricultural productivity.
2. Bacteria characterized by their yellow-pigmented colonies. NOUN
   • Farmers faced significant losses due to the Xanthomonas infection spreading through their tomato plants.
3. Gram-negative, rod-shaped bacteria that are significant pathogens in agriculture. NOUN
   • Under the microscope, the Xanthomonas bacteria exhibited their typical rod shape and yellow pigmentation.

Synonyms:

• phytopathogens
• plant pathogen
• xanthomonad