Fig. 4From: Effects of leaf colorness, pigment contents and allelochemicals on the orientation of the Asian citrus psyllid among four Rutaceae host plantsChlorophyll and carotenoid contents in the tender leaves of Chongyi wild mandarin, ‘Gannan zao’ navel orange, orange jasmine, wild Hong Kong kumquat. Different letters marked above the bars indicated significant difference among the tested plants (P < 0.05)Back to article page