茶轮斑病的识别与防治
摘要：茶轮斑病是茶树叶片上一种重要的真菌性病害，可为害茶树新梢、成叶与老叶，造成茶树叶片脱落，树势衰弱，严重影响茶叶产量和品质。文章从茶轮斑病的分布与为害、病原菌生物学特征、流行规律和防治措施4个方面进行介绍，以期为茶轮斑病的識别和防治提供参考。
关键词：茶轮斑病;病害症状;形态学特征;流行规律;防治措施
Identification and Control of Tea Grey Blight
YANG Wenbo1，2， YANG Hui1， XIANG Fen1， LIU Hongyan1， LI Wei1， ZHOU Lingyun1*
1. Tea Research Institute， Hunan Academy of Agricultural Sciences/Hunan Branch of National Center for Tea Improvement，
Changsha 410125， China; 2. College of Plant Protection， Yunnan Agricultural University， Kunming 650201， China
Abstract： Tea grey blight is an important fungal disease that affects tea leaves from young to old as well as young
shoots， causing defoliation， week growth and low yield and quality of tea leaves. This paper includes the distribution
and damage of tea grey blight， morphological characteristics of its pathogen， epidemic regularity and control measures of
this disease， which provids references for identification and control of this disease in tea gardens.
Keywords： Tea grey blight， disease symptoms， morphological characteristics， epidemic regularity， control measures
茶轮斑病（Tea grey blight）是最严重的茶树叶部病害之一，又名茶梢枯死病，主要由植物病原真菌拟盘多毛孢属（Pestalotiopsis sp.）侵染引起。