碳源对玫烟色虫草菌丝生长、芽生孢子产生及其耐热性的影响

李义华,刁红亮,周稳稳,马瑞燕

Effects of carbon sources on mycelial growth, blastospore production and thermotolerance of Cordyceps fumosorosea

Yihua LI,Hongliang DIAO,Wenwen ZHOU,Ruiyan MA

表2 不同蔗糖浓度下所产芽生孢子的存活指数-处理时间拟合方程

Table 2 The survival index and treatment time fitting equation of the blastospores produced under different sucrose concentrations

蔗糖浓度 Sucrose concentration (g/L) 存活指数-处理时间拟合方程 Survival index-treatment time fitting equation R2 LT50 (h) 8 Is =1/(1+e(-7.77+6.80t)) 0.990 1 1.14±0.45b 20 Is =1/(1+e(-3.61+4.01t)) 0.985 9 0.89±0.18c 40 Is =1/(1+e(-13.51+8.20t)) 0.979 9 1.65±0.27a 80 Is =1/(1+e(-5.89+4.81t)) 0.968 8 1.22±0.14b 120 Is =1/(1+e(-1.80+2.15t)) 0.890 8 0.84±0.04c