警惕菟丝子危害柑桔菟丝子是一类属于菟丝子属的寄生植物，全株无叶、无根，仅有无数藤茎分枝，可以随生长无限延长，粗约１～１．５ｍｍ，藤茎表面呈淡黄色。因其自身不能制造养分，唯一靠藤茎缠绕在寄主树上，在接触处形成吸盘伸入寄主幼嫩皮层吸取养分和水分。在南方温... Cautious Dodder Harm to Citrus Dodder is a group of parasitic plants belonging to the genus Dodder. The whole plant has no leaves and no roots. There are countless cane branches and can grow indefinitely with a growth of about 1 to 1.5 mm in diameter. The surface of the cane Light yellow. Because of its own can not create nutrients, the only relying on the cane wrapped in the host tree, the formation of sucker contact in the host cortical absorption of nutrients and moisture. Warm in the south ...