上海植物园从荷兰引进的西班牙鸢尾(IrisXiph ium L.)普遍发生严重退绿的症状,感病植株的花瓣一般有脱色现象,重者花蕾不能开放。初步观察显似病毒病.取病株叶片表皮检查,发现有形状不规则的内含体(图1),从而肯定为病毒病。用 Shanghai Botanical Garden introduced from the Netherlands, the Spanish Iris (IrisXiph ium L.) generally serious symptoms of back green, the susceptible plants are generally discolored petals, flower buds in most cases can not be open. Preliminary observation was apparently virus-like disease. Take diseased leaves epidermis examination, found that the shape of the irregular inclusion bodies (Figure 1), which is certainly a viral disease. use