青苹果竹芋平脐蠕孢叶斑病病原菌的鉴定

Acta Phytopathologica Sinica(2021)

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Abstract
青苹果竹芋(Calathea rotundifolia cv.fascia-ta)又叫圆叶竹芋,属竹芋科,肖竹芋属,为多年生常绿革本植物.青苹果竹芋原产于热带美洲,如今作为小盆栽植物在广东省大量种植. 竹芋种植生产中发生病害,观赏价值降低,造成经济损失.Chem等[1]在台湾发现Exserohilum rostratum可为害丽白竹芋(C.picturata),致使叶片产生褐色病斑.Baiswar等[2]报道Rhizoctonia solani可为害银羽斑竹芋(Ctenanthe oppenheimi-ana),受害叶片叶缘坏死.Zeng等[3]发现Pythium sp.可为害玫瑰竹芋(C.roseopicta)和圆叶竹芋(C.rotundifolia)的根茎部,造成心叶腐烂,植株死亡.
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