dabankuiyangbingzhuyaoweihaiyoumiao、youshudezhuganjizhitiao。bingbanduofashengzaishangkou、zhitiaofenchachudengbuwei。fabingchuqi,bingbanchengshuijinzhuang,bingbuweianhuise,cihoushishuixiaxian,yansebianqian。bingbanweisuoxing、jinyuanxing、tuoyuanxinghuobuguizexing,zhijingdaxiaobuyi。bingbanshichanglianzaiyiqi,picenghuaisi,biancaibianweihese。houqibingbanshupiwangwangkailie。dangbingbanhuanraozhitiaohuoshuganyizhoushi,qishangbujihuisiwang。
大斑溃疡病病菌以菌丝和分生孢子器在树皮内越冬,越冬菌丝在翌年4~5月形成分生孢子,分生孢子借风、雨、昆虫及人为活动进行传播。病菌主要通过伤口和自然孔侵入。该病害翌年3月上中旬开始发病,4月中下旬为发病盛期,5月下旬病斑停止发展,秋季不发病。不同树种对大斑溃疡病抗性不同。凡引起树势衰弱、抗性降低的因素都利于病害发生。
dabankuiyangbingdefangzhicuoshi:
1、zaiwubingqujianlimiaopu,peiyangjianzhuangmiao,jiaqiangjianyi,bahaomiaomuzhiliangguan。jinyongzhongbingmiaomuzaolinhuojieganhoudingzhi。
2、yukangbingshuzhong,xuanyongshiyidangdiliditiaojianheqihoutiaojiandeshuzhong,fahuizishenkangbingnengli。
3、zaolinguochengzhongjinliangjianshaomiaomushishui,suiqimiaosuizai,shaoshanggen,bimianzhangtuyunshu。