41. For example, necrosis of tissue can occur in " Arabidopsis thaliana " due to plant pathogens . 42. They are obligate plant pathogens , and the many species are each parasitic on a narrow range of hosts. 43. It is epiphytic and has been demonstrated to antagonise the fungal plant pathogen " Botrytis cinerea ". 44. Research has shown that Pantoea agglomerans can serve as a plant pathogen competitor for the management of plant diseases. 45. It is a facultative plant pathogen and is the causal agent of " southern blight " disease in crops. 46. It is a plant pathogen that causes red leaf spot ( also known as purple spot ) on sugarcane. 47. Plant pathogens can spread rapidly over great distances, vectored by water, wind, insects, and humans.48. The area of study is known as biological control of plant pathogens and is of great interest in agriculture. 49. It has specific activity against the plant pathogen " Rhizoctonia solani " for which it was developed. 50. Microorganisms including bacteria, fungi, and viruses are important as plant pathogens , causing disease to crop plants.
