21. In this way it is beneficial for these plant pathogens to have larger genomes. 22. Fluorescent pseudomonads have been recognized as biocontrol agents against certain soil-borne plant pathogens . 23. "Lecythophora hoffmannii " is a plant pathogen that commonly inhabits fertile soil. 24. A number of species in this genus are plant pathogens , causing a white rot. 25. Species in this genus are plant pathogens . 26. Some crops'residues harbor plant pathogens . 27. Analysis of the plant pathogen " Xanthomonas campestris Xanthomonas campestris pathovar campestris ". 28. It feeds voraciously, prefers crop plants, damages fruits, and forms plant pathogen . 29. The heat generated in composting ( ) is sufficient to virtually eliminate human and plant pathogens . 30. As of 2010, this disease is on the USDA APHIS Plant Pathogen Select Agent List.