论文部分内容阅读
叶斑病是香蕉叶片病害 ,目前各地蕉区较常见的有褐缘灰斑病 ,其次是灰纹病、煤纹病和缘枯病。褐缘灰斑病、灰纹病和煤纹病均为真菌性病害 ,病菌产生的分生孢子靠风雨传播感染叶片 ,高温高湿天气利于蔓延危害 ;缘枯病属生理性病害 ,主要是工厂、机砖厂、水泥厂等排发的有毒气体
Leaf spot disease is a banana leaf disease, banana area around the current more common brown edge gray spot disease, followed by ash disease, coal pattern and edge blight. Brown edge gray spot disease, ash disease and coal pattern are fungal diseases, the bacteria produce conidia spread by wind and rain leaves, high temperature and humidity weather conducive to the spread of hazards; edge blight is a physiological disease, mainly the factory , Brick factory, cement factory discharge of toxic gases