番茄枯萎病由真菌Fusarium引起，病菌通过根系的木质部或导管系统侵入植物体内，并利用木质都作为扩散和生殖通道，引起阻塞、营养消耗和严重减产C澳甲烷是防治该病的主要药剂，但由于该药对臭氧层有破坏，美国将在2001年禁用，因此研究者正在探讨新的防治方法。研究者发现，通 Fusarium candidiasis is caused by the fungus Fusarium, which invades plants through the xylem or ductal systems of the roots and uses wood as both a diffusion and reproductive pathway, causing clogging, nutrient depletion and severe cuts. As the drug destroys the ozone layer, the United States will be banned in 2001, so researchers are exploring new ways to combat it. The researchers found that pass