The thesis is entitled to make clear the residual dynamic of chlorothalonil and myclobutanil in bananas in hoping to control the likely disease in the fruit trees.As a kind of main tropic and subtropic fruit growing in Zhangzhou,Fujian,bananas should be protected from being harmed by the drug-residuals like chlorothalonil and myclobutanil.For this purpose,we have studied the residual dynamics of chlorothalonil and myclobutanil in bananas by using a method of GC and field experiment.Results of our studies in...