beifangdiqurudongyihou,qiwenxiajiangmingxian,yushuijianshao,kongqigengjiaganzao。cishimiaomuyedaduojinruxiumianqi。weilefangzhimiaomuzaoshoudonghai、chonghaiweixie,rudonghouyingzhongdianzuohaoyixiaqixianggongzuo。
一、树干涂白
zhuazhuqinghaotianqiyongshihuijiashiliuhejiduizhigantubai,keyijianxiaomiaomuxiangyangmianyinzhouyewenchaguodaershoudaodeshanghai,tongshihaikeyishasiyuedongdebingjunhechongluan,yijuduode。
er、zhugan“chuanyi”
duibunaihandemiaomu,yaoyongcaoshengjuanganhuoyongdaocaobaoguozhuganhebufenzhuzhi,rangmiaomuzaidongjidaolaizhiqianchuanshang“mianyi”,yifangzhidonghai。
三、刮皮涂药
冬初要趁早将苗木主干、大枝及枝干分杈处的病皮、虫蛀皮等刮掉,集中烧毁或深埋,以消灭在树皮中越冬的病菌和虫卵。刮皮深度以皮层微露黄绿色为宜,在伤口处涂抹40%的福美砷可湿性粉剂50~100倍液或5~10波美度石硫合剂,以保护伤口。
四、设障御风
weidiyubingjianqinghanlengganzaodedafengkenengduimiaomuzaochengdeshanghai,yuedongqianyaozaimiaopudeshangfengfangxiangjiashefangfengqiang。fangfengqianggaoduyaochaoguoshugao。ciwai,fangfengqiangyaoyongmugun、zhugandengzhichengguding,yifangbeidafengchuidao。
五、控水防冻
jinrudongjihou,yaoyangekongshui,chutebieganhanwai,yibanbuxujiaoguan。yinweiruguoshutihanshuiliangguoda,yidanyudaodiwen,shutijiuhuijiebingpengzhang,zaochengshupikailie,daozhimiaomusiwang。
六、喷药灭害
苗木落叶后要喷施一次5波美度石硫合剂加五氯酚钠200倍液,以消灭越冬的病菌和虫卵。
七、冬前施肥
yaoyinongjiafeihefuhefeiweizhu,bushihuoshaoshidanfei。rudanfeishiruguoliang,huizaochengmiaomuzhitiaowangzhang,muzhihuachengdudi,kanghannenglixiajiang。feiliaoyishizaimiaomudecegenchu。