云南河口地区香蕉炭疽病的发生危害动态研究初报  

Preliminary Study on Occurrence and Harm of the Banana Anthracnose in Hekou County of Yunnan

作　　者：陈伟强 赵素梅 邓成菊 张建春 刘学敏 李芹 胡原鸿 杨绍琼 王晓燕 郑毅 黄绍忠 

机构地区：[1]云南省红河热带农业科学研究所,云南河口661300 [2]河口瑶族自治县农业局水果站,云南河口661300 [3]云南省河口县农垦管理局,云南河口661300 [4]河口瑶族自治县科学技术局,云南河口661300

出　　处：《热带农业科学》2014年第1期67-70,共4页Chinese Journal of Tropical Agriculture

基　　金：云南省科研院所技术开发专项(No.2011CF016);农业部热带作物种质资源保护财政专项(No.12RZZY-26);云南农垦重点科技项目(No.2008RZ01);中央补助地方科技基础条件专项(No.2060503);云南省科技富民强县计划(No.2011EB10301)基金资助

摘　　要：依据河口县的地形地貌特征，分东部、西部及中南部并采用定点监测、分级调查法对香蕉炭疽病的发生危害动态进行研究。结果表明：香蕉炭疽病在河口地区1～3月基本维持较低的危害水平，4月初开始发病，8～12月中旬处于危害的高峰值，12月份后逐渐下降；全年月平均危害率达38.44%，月平均危害指数0.81，处于危害率较高的水平；西部地区与东部、中南部地区的差异达到显著水平，月平均危害率西部地区（49.61%）＞中南部地区（35%）＞东部地区（30.72%）；不同海拔对香蕉炭疽病的田间发生危害有一定影响,但未达显著水平。According to landform and physiognomy of Hekou county, occurrence and harm of the banana anthracnose were fixed-point monitored, classified and surveyed in east region, west region and middle south region. The results showed that harm of banana anthracnose maintained a lower level between January and March, occurred in the early April, kept in a high peak between August and middle December, and then reduced by degrees after December. Harm rate of banana anthracnose was very high all the year round. Its monthly mean harm rate is 38.44%. And its monthly mean disease index is 0.81. The difference of harm rate of banana anthracnose reached significance level among west region, east region and middle south region. Its monthly mean harm rate is 49.61% in west region, 35% in middle south and 30.72% in east region. The harm rate is influenced by different altitudes, but its difference doesn＇t reach significance level.

关 键 词：云南河口 香蕉炭疽病 危害 

分 类 号：S436.68[农业科学—农业昆虫与害虫防治]