To investigate the effects of Bemisia tabaci on the fruit quality of tomato,the different developmental phases of tomatoes were inoculated with given numbers of B.tabaci.The results exhibited that the content of vitamin C in tomatoes decreased significantly,with increase of B.tabaci damage grade.The percentages of vitamin C in the mature tomatoes were declined from 15.07%to 54.49%.However,lower population densities of B.tabaci could induce the increase of protein contents,but with the increase of population...