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银杏树落果原因与防治

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银杏树落果原因与防治

发布日期:2017-02-09 00:00 来源:http://zgyiyuan.com 点击:

YI、LUOGUOYUANYIN


    ⑴YANGFENBUZU。YIBANMEINIAN5YUEZHONGXUNZHI6YUESHANGXUNCHUXIANDI1CILUOGUOGAOFENG,7YUESHANGXUNCHUXIANDI2CILUOGUOGAOFENG。


    ⑵RENGONGSHOUFENBUDANG。RUGUOSHOUFENDESHIJIANZHANGWOBUDANGHUOCAIYONGGUONENSHENZHIBIANZHIFAMEIDEXIONGHUA,ZESHOUJINGBULIANG,YINQILUOGUO。RUCIHUASHULIANGJIAODUO,SHOUFENLIANGYOUDASHI,JIUHUIYINQIZHONGZAI。SUIRANZANSHIHUICHUXIAN“GUOMANZHITOU”DEXIANXIANG,DANDUIDANGNIANNAIZHIYIHOURUOGANNIANSHUDESHENGZHANGDOUHUICHANSHENGBULIANGYINGXIANG。


    ⑶病虫危害。银杏树受病虫危害后,常会出现生长受阻,树势减弱,从而引起落果。


    ⑷HUANJINGYINSU。YINXINGDUIQIHOUJITURANGTIAOJIANDESHIYINGXINGJIAOQIANG,DANZAIGAOWENDUOSHUITIAOJIANXIASHENGZHANGHUANMAN,ZAIJIBO、GUODUCHAOSHIHUOYANFENTAIZHONGDETURANGSHANGZESHENGZHANGBULIANG。RUZHANGQISHENGZHANGZAIBANJIEHUOSHOULAOSHOUZI、DIXIASHUIWEIGAODEDIFANG,GENXISHENGZHANGSHOUZU,ZAOCHENGLUOGUO。LINGWAIZAIHAIXINGTIANQIRUTAIFENG、BINGBAOYEHUIYINQILUOGUO。


    ER、FANGZHICUOSHI


    1、JIANCHIKEXUESHIFEI,SHISHIBUCHONGYANGFEN。YINGGENJUSHUTIDAXIAO,ZAILIGANJI0.5-1MIXIANGWAIZHISHUGUANYUANXIAWAGOUXUE,GOUSHEN20-40LIMI、KUAN30-50LIMI。


        ⑴DONGJISHIZUJIFEI。ZAIYINXINGLUOYEYIHOU,PEIHESHENFANSHIJIFEI,YIYOUJIFEIWEIZHU,WEICINIANSHUTISHENGZHANGFAYUDAXIAWUZHIJICHU。

广东快乐十分走势图        ⑵CHUNJISHICUIYAFEI、HUAQIANFEI。3YUESHANGXUNYINXINGFAYAQIAN,YISHIDANFEIWEIZHU,PEIYISHILIANGDELINJIAFEI,CUSHIZAOSHENGZHIJIHUAYADESHENGZHANG,TIGAOZUOGUODENG。HUAQIPENSHI3%DEPENGSHAYE,YEKEJIANSHAOYINXINGSHENGLILUOGUO。


        ⑶XIAJISHIZHANGGUOFEI。5YUECHUYISUXIAOFEIWEIZHU,JINXINGGENWAIZHUIFEI,PEIHESHIYONGLINFEI,YOULIYUTIGAOZUOGUOLV。


        ⑷QIUJISHIWEIFEI。CISHIZHENGZHIZHONGZIYINGHEQI,YINGYANGHESHENGZHISHENGZHANGCHUYUGAOFENGQI,CHUXUYAODANLINJIAFEIPEIHESHIYONG,HAIYAOZHUOQINGSHIYONGPENG、MENG、XINDENGWEIFEI。


    2、JIANCHIKEXUESHOUFEN,BAOCHIHELIFUZAI。RENGONGSHOUFENDEZUIJIAQIYIJUQIWENJICIXIONGHUADECHENGSHUDUERDING。DANGJIEGUOMUSHUSHANG1/2ZHI2/3DEXIONGHUAJIANZUI(JIPEIQIU)SHANGYOUFALIANGDEXIAOSHUIZHUSHI(SHANGWU8-9DIANZHONGDUIZHEYANGGUANGGUANCHA),WEIZUIJIASHOUFENQI,QINGTIANSHANGWU8-10SHI,XIAWU4-6SHISHOUFENXIAOGUOZUIHAO,YINTIANKEQUANTIANJINXING,ZHUYISHIQIJIEGUOBUYINQICHAOZAI。


    3、及时防治病虫害。危害银杏的主要害虫有银杏超小卷叶蛾和天牛、木蛾等蛀干害虫,病害主要有叶枯病。银杏树苗批发一般4月下旬至6月中旬是银杏超小叶蛾幼虫危害期,最有效的防治时间和方法是在幼虫期人工授粉后7-10天(一般4月下旬至5月上旬),用2.5%溴氰菊酯乳油3000-4000倍液向树冠喷雾1-2次,效果很好。对木蛾等蛀干害虫,一旦发现虫孔,立即用40%乐果乳油等灌孔,外敷黄泥、石膏或用塑料薄膜包扎,杀死害虫。叶枯病的防治则应从加强管理,增强树势着手

    JIANGSUDONGTAIYINXINGZHIXIANG,SUOCHANYINXINGBEIYINZHONGDAOQUANGUOGEDI,DUOSHUYINZHONGHOUSHENGZHANGLIANGHAO,DANZAIYOUXIEDIFANGQUECHUXIANYEHUANG、SIWANGXIANXIANG,SHIFENKEXI。JIUQIYUANYIN,DUOBANSHIYOUYUYINZHONGZHEBUSHUXIYINXINGDETEXING,GUIHUA、GUANLISHIDANGZAOCHENGDE。XIANJIANGYINXINGZHONGZHIYAODIANZONGJIERUXIA:

银杏树苗批发

广东快乐十分走势图    YI、GUIHUA


    YINXINGSHOUMINGZHANG,SHUGANGAO,GENSHEN,GUANDA,XIGUANGNAIYIN,GUIHUASHIZHUXINGJUYAOSHIDANGFANGDA,BUKEGUOMIYONGJI。


    ER、ZAIZHONG


广东快乐十分走势图    YINXINGXISHUSONG、TOUQI、FEIWODETURANG,XISHUIPALAO,XIFEIYOUPASHENGFEI、NONGFEI。GULIDITIAOJIANYAOTUZHILIANGHAO,FOUZEYINGHUANTU。SHUXUEYIQIAN,TUQIUBUYIMAIDEGUOSHEN,XUEBIANYULIUJIAOSHUIKENGHEPAILAOGOU。XIANYONGFEIWOSUTUZAIZHONG,CHENGHUOZHIHOUZAIZHUNIANSHAOLIANGDUOCISHIBOFEI。


广东快乐十分走势图    SAN、GUANLI


    YINXINGZAIHOUYAOQINJIAOSHUI,YAO“TOU”ERBU“JI”,ZHUZHONGSHUGANHEYEMIANPENLIN。DUIYEPIANBO、YESEFANHUANG、ZHANYEWULIDEZHIZHU,YIYAOCHAGENSHIJIU,ERYAOZHUOQINGPENYEMIANFEIHEYEMIANSHUI,CUJINSHENGZHANG。


广东快乐十分走势图    SI、JIUZHILANGENZHIZHU


    YINXINGZAIQIANYAOJIANCHAGENBUZHUANGKUANG,ZAIHOURUFAXIANGENLAN,GENPANPISONGDONG,YINGJISHIZAIKUSHUZHOUWEIZAIZHIXIAOYINXINGSHU,BINGSUISHIYUYI“QIAOJIE”,JIEYIBUCHONGHUOTIDAISIGEN,CUSHIYUANGANYUANZHIHUIFUSHENGZHANG。


相关标签:银杏树苗批发

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