For example , a plant that has only lost one myc becomes more susceptible to insect herbivory than a normal plant .
These factors ( of which there are three , MYC2 , 3 , and 4 ) tend to act additively .
A plant that has only lost one myc becomes more susceptible to insect herbivory than a normal plant .
These factors ( of which there are three , MYC2 , 3 , and 4 ) tend to act additively .