Ganoderma spores dominate in temperate hardwood forests during
 
A)    Summer and winter
B)    Winter and rainy
C)    Summer and fall
D)    All of the above
 
The correct answer is (C) Summer and Fall.
Concentration of Ganoderma spores in air during summer and fall period is observed more because the lighter spores of Ganoderma librated easily with prevailing temperature and humidity.