ABSTRACT
Objective To study the control effect of Trichoderma fungicides in the field and then popularize the using. Methods To investigate the influence by three using methods and different concentrations of the two Trichoderma strains on ginseng growth and its diseases, estimate the possibility of popular using the fungicide, and make a choice of the right using method. Results The two fungicides not only could raise the survival rate by 30% and the growing rate by more than 16%, but also effectively control the disease of ginseng. Conclusion The two Trichoderma fungicides have the potential to be used in a large range. The using method is diluting Tv04-2 to 5 000 times and Th3080 to 10 000 times when dipping the root of ginseng, and diluting Tv04-2 or Th3080 to 5 000 times when dipping the seeds of ginseng.