垂花蝎尾蕉平脐蠕孢叶斑病病原菌的鉴定  

Pathogen identification of a Bipolaris leaf spot in Heliconia rostrata

作　　者：杨俊杰 黄桂兰[1] 林亚琪 邓火兵 应瑞赟 云英子 YANG Junjie;HUANG Guilan;LIN Yaqi;DENG Huobing;YING Ruiyun;YUN Yingzi(State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops,Fujian Agriculture and Forestry University,Fuzhou 350000,China;Fujian Institute of Tropical Crops,Zhangzhou 363000,China)

机构地区：[1]福建农林大学闽台作物有害生物生态防控国家重点实验室,福州350000 [2]福建省热带作物科学研究所,漳州363000

出　　处：《植物病理学报》2023年第6期1232-1235,共4页Acta Phytopathologica Sinica

基　　金：福建农林大学科技创新专项基金项目(KFA20016A);福建省属公益类科研院所基本科研专项(2020R1010002)。

摘　　要：垂花蝎尾蕉(Heliconia rostrata Ruiz & Pav.),又名金嘴蝎尾蕉、金嘴赫蕉、垂花火鸟蕉,是蝎尾蕉科(Heliconiaceae)蝎尾蕉属 (Heliconias) 多年生草本植物,原产美洲热带地区阿根廷至秘鲁一带,1970年从马来西亚引入我国,主要栽种于华南地区[1]。垂花蝎尾蕉的花序轴排列方式为二列状,形状酷似蝎尾,花形奇特,花色艳丽,花期5-10月,广泛运用于园林景观、园艺盆栽,是一种名贵垂吊切花植物。In the horticultural base of Zhangzhou,Fujian,a new leaf spot disease was observed in Heliconia rostrata Ruiz&Pav.The pathogen causing this disease was identified by pathogenicity assays,morphological characteristics and gene sequence analysis on ITS,TEF and GPD.The results showed that the leaf spot of H.rostrata was caused by Bipolaris setariae.This is the first report of a leaf spot disease caused by B.setariae on H.rostrata globally,which will help to a timely detection and efficient management of Bipolaris leaf spot.

关 键 词：多年生草本植物 花序轴 花形 平脐蠕孢 蝎尾蕉 园林景观 赫蕉 热带地区 

分 类 号：S432.44[农业科学—植物病理学]