Fig. 4From: Detection and epidemic dynamic of ToCV and CCYV with Bemisia tabaci and weed in Hainan of ChinaCCYV detection from cucumber plants. CK1 positive control; CK2 negative control; CK3 black control. The size of 804Â bp based on amplification of CP (coat protein) gene of CCYV was used. Results of 20 samples were shown in this figureBack to article page