紫薇常见病虫害及解决方法：
1、紫薇褐斑病
hebanbingshizaiziweishengzhangjijiechangchangfashengdeyizhongbinghai，fabingchuqibingbanweidaxiaobuyideyuanxinghuojinsiyuanxing，shaoxuchengbuguizexingzhuang。bingbanweiziheisezhiheise，bianyuanyansejiaodan，suihoubingbanyansejiashen，chengxianheisehuoanheise，yujiankangbufenfenjiemingxian。houqibingbanzhongxinyansezhuandan，bingzheshenghuiheisexiaomeidian。fabingyanzhongshi，bingbanlianjiechengpian，zhenggeyepianxunsubianhuang，bingtiqiantuoluo，hebanbingfashengyanzhongshichangchanghuidaozhizhiwuyepiandaliangkuhuang、tuoluo，yingxiangguanshanghekaihua。
解决方法：jiaqiangrichangguanli，zhifabingchuqi，kepenshi50%duojunlingkeshixingfenji500beiye、huo65%daisenxinkeshixingfenji1000beiye、huo75%baijunqingkeshixingfenji800beiyefangzhi。
2、紫薇煤污病
meiwubingyoumingmeiyanbing，qinhaiziweizhuyaoshizaiqizaoshouziweirongjieheziweizhangbanyaweihaiyihou，jiyitamenpaixiechudezhanyeweiyingyang，youfameiwubingjundedaliangfanzhi。fabinghoubingzhuyemianbumanheisemeiceng，bujinyingxiangziweideguanshangjiazhi，erqiehuiyingxiangyepiandeguanghezuoyong，daozhizhizhushengzhangshuairuo，tizaoluoye。
解决方法：yaojishifangzhiyachong、jieqiaochong、fenshideng，yinweizheixiekunchongdefenmiwuzhengshimeiwubingbingyuancunzaidejichu。changyongyaojiweishiliuheji，dongjiyongbomei3°shiliuheji，xia、qiujiyong0.3°shiliuheji。yekeyongsanliulin、shancangziyezhijinxingfangzhi。huozhepensa50%duojunlingkeshixingfenji500～800beiye、70%jiajituobujin500beiyedeng。
3、紫薇白粉病
ziweibaifenbingzaiwoguozaiyouziweidesheng、shipubianfasheng，fabingchuqi，yepianshangchuxianbaisexiaofenban，kuodahouchengyuanxinghuobuguizexingtunsebankuai，shangmianfugaiyicengbaisefenzhuangmeiceng，houqibaisefenzhuangmeicengbianweihuise。huashouqinranhou，biaomianbeifubaifenceng，huasuijixing，shiquguanshangjiazhi。shoubaifenbingqinhaidezhizhuhuibiandeaixiao，nenyeniuqu、jixing、kuwei，yepianbukaizhan、bianxiao，zhitiaojixingdeng，yanzhongshizhenggezhizhudouhuisiwang。fabinghouchangshiziweiyepiankuhuang、tuoluo，zhijieyingxiangshushiheguanshangxiaoguo。
解决方法：zhuyiziweiderichangyanghuguanli，chunjimengyaqianpenshibomei3～4°shiliuheji;shengzhangjijiefabingshikepenshi80%daisenxinkeshixingfenji500beiye、huo70%jiajituobujin1000beiye、huo20%fenxiuning(jisanzuotong)ruyou1500beiye、huo50%duojunlingkeshixingfenji800beiyefangzhi。
4、蚜虫
zaiwoguobeifangmeinianfasheng5～8dai，yiluanzaiya、shaofujinyuedong，5yueweifabingchuqi，6yueshengqi，ruochonghechengchongqunjiweihaiziweidenenye，cixizhiye，yingxiangshengzhangfayu。
解决方法：jiaqiangzaipeiguanlicuoshi，jianshaobingyuan，yachongliangdashi，ke40%yanghualeguo，40%yixianjiaanlin1000～1500beiyehuopenyutengjing1000～2000beiye，danyaozhuyibimianfashengyaohai。
5、绒介
rongjieyicichengchongheruochongzaiyaye、yepianhezhitiaoshangshunxizhiye，zhishizhiyefahei，yepiantuoluo，yanzhongyingxiangshumushengzhangfayu，qipaixiewunengyoufameiwubing，shiweihaiziweidezhuyaochonghaizhiyi。
解决方法：dongjipenshi10～15beidesongzhihejihuo40～50beidejiyouruji1～3ci，xiaomieyuedongdaicichong。fayaqian，penshi3～5dushiliuhejihuo3%～5%chaiyourujixiaomieyuedongdairuochong。
6、大衰蛾
dashuaieyeshiqinhaiziweidechonghaizhiyi，youchongzaihunangzhongyaoshiyepian、nenshaohuoboshizhigan、guoshipiceng，zaochengjubushucongguangtu。
解决方法：zhaichuhunang，dang5~6yuechufuyouchongchuxianshi，yong90%dibaichong1000beiyepensha，xiaoguohenhao。
ziweishirenmenxihuandeguanshanghuamu，kezhongzhizaijiajutingyuanzhong，xiaoxingzhuzhidehaikeyipenzaizhongzhiyonglaibaishemeihuajiaju，ziweikeyiguanshanghaikeyijinghuakongqi，shijiajumeihaohuanjingdehaobangshou。
