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甜叶菊(Stevia rebaudiana Bertoni)斑枯病菌(Septoria steviae Ishiba,Yokoyama et. Tani)菌丝生长适温是20—25℃,适宜pH值是4—6。在不同培养基上以在PDA上生长最快,在寄主煎汁和菠菜煎汁培养基上单位面积菌落产孢量最大。光照对产孢有促进作用,微量元素硼在一定范围内有促进产孢的作用。分生孢子萌发适温是2C—25℃,适宜pH值4—5。孢子在RH>96％时可萌发,以在水中萌发为好。萌发需要通气条件。孢子在2％葡萄糖液中比在清水中萌发效果好。分生孢子致死温度为45℃,10分钟。
Stevia rebaudiana Bertoni Septoria steviae Ishiba (Yokoyama et. Tani) Mycelium growth temperature is 20-25 ℃, suitable pH value is 4-6. In different media to grow fastest in the PDA, the host fry and spinach fried medium per unit area of the sporulation rate of the largest. Light on the sporulation has a promoting effect, trace elements boron in a certain range to promote sporulation. Conidia germination suitable temperature is 2C-25 ℃, suitable pH value 4-5. Spores can germinate at RH> 96% to germinate well in water. Germination requires aeration. Spores germinated better in 2% glucose solution than in clear water. Conidia lethal temperature of 45 ℃, 10 minutes.