The results show that there exists significant influence to the CFF of eyes in the color factors,the observation states of stationary stand and the broadcasting music, and this can result in impartial judge in judging process.

First,through symptom observation and PCR detection of the diseased overwintering branches which were collected respectively in late autumn,winter,and early spring and cultured in hydroponic system,the specific band of phytoplasma of the size of 1.