Identification and Biological Characteristics of Pineapple Anthracnose in Hainan Province  

菠萝炭疽病的病原鉴定与生物学特性研究(英文)

作　　者：罗志文[1] 范鸿雁[2,3] 何凡[2] 华敏[2] 

机构地区：[1]海南大学环境与植物保护学院,海南儋州571737 [2]海南省农业科学院热带果树研究所,海南海口571100 [3]中国热带农业科学院环境与植物保护研究所,海南儋州571737

出　　处：《Plant Diseases and Pests》2010年第5期21-25,共5页植物病虫害研究（英文版）

基　　金：Supported by Basic Research Operational Funds in Central Nonprofit Research Institutes"Research on Control Technology of the Major Pests and Diseases in Pineapple"(NO.2009hzs1J027);Scientific Operating Expenses in Hainan Province"Research on Demonstration of Quality Variety Introduction and Rapid Propagation Technology of Pineapple"(Qiong Financial Budget[2007]NO.134);Scientific Operating Expenses in Hainan Province"Research on Safety Regulation during TN 16 Pineapple Production Stage and Enhancement of Fruit Quality Technology"(Qiong Financial Budget[2010]NO.139)~~

摘　　要：[Objective]The pathogen of pineapple anthracnose were isolated and identified,and the biological characteristics of the pathogen were studied.[Method]Pathogen was isolated and purified from the leaves collected from different areas in Hainan province which had been infected by pineapple anthracnose,and the biological characteristics were studied as well as morphological identification of the pathogen.[Results] The pathogen of pineapple anthracnose was identified as Colletorichum gloeosprioides Penz.through morphological characteristics.The results of biological characteristic test showed that the optimum temperature for mycelium growth and spore germination were 25-30 and 28-30 ℃,respectively;and the optimum pH value was 6.0-8.0;complete darkness was the best condition for growth of mycelium,while alternative light and darkness was most beneficial for spore germination;the best carbon sources for mycelium growth were glucose,D-fructose and maltose;except for L-arabinose and D-galactose,the other carbon sources all had promotion effect on spore germination;yeast extract,peptone and beef extract were proved to be beneficial for mycelium growth and spore germination.Aspartic acid was only beneficial for spore germination;spores were just able to germinate when the relative humidity（RH）was greater than 90%,spore germination was the highest under water drops condition.[Conclusion]The results laid preliminary basis for the control of pineapple anthracnose.[Objective]The pathogen of pineapple anthracnose were isolated and identified,and the biological characteristics of the pathogen were studied.[Method]Pathogen was isolated and purified from the leaves collected from different areas in Hainan province which had been infected by pineapple anthracnose,and the biological characteristics were studied as well as morphological identification of the pathogen.[Results] The pathogen of pineapple anthracnose was identified as Colletorichum gloeosprioides Penz.through morphological characteristics.The results of biological characteristic test showed that the optimum temperature for mycelium growth and spore germination were 25-30 and 28-30 ℃,respectively;and the optimum pH value was 6.0-8.0;complete darkness was the best condition for growth of mycelium,while alternative light and darkness was most beneficial for spore germination;the best carbon sources for mycelium growth were glucose,D-fructose and maltose;except for L-arabinose and D-galactose,the other carbon sources all had promotion effect on spore germination;yeast extract,peptone and beef extract were proved to be beneficial for mycelium growth and spore germination.Aspartic acid was only beneficial for spore germination;spores were just able to germinate when the relative humidity（RH）was greater than 90%,spore germination was the highest under water drops condition.[Conclusion]The results laid preliminary basis for the control of pineapple anthracnose.

关 键 词：PINEAPPLE Colletorichum gloeosprioides Penz. Biological characteristics 

分 类 号：S436.68[农业科学—农业昆虫与害虫防治]