| 1 | It had become of major importance as a pathogen. | |
| 2 | White blood cells called T-lymphocytes hunt down germs and other foreign tissue. | |
| 3 | The disease symptoms and pathogen spores were described in detail to provides scientific basis for garden disease control. | |
| 4 | But what we don't know is why they become susceptible to this host of pathogens, viruses and fungus. | |
| 5 | If so, doctors may be able to battle the physical and psychological effects of disease-causing bacteria by developing treatments such as probiotics. |