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导致山楂树衰老退化原因

发布时间:2019-09-29 11:48:21作者:鼎旺苗木tags:

导致山楂树衰老退化原因

上海11选5SHANZHA,SHIYONGJIAZHIHENGAO,ZHIYAOJINGGUOYIXIEJIAGONGJIANGDISHANZHADESUANXING,JIUNENGGOURANGSHANZHABIANDESHIKOU,CONGERCUJINRENMENDUISHANZHADESHIYONG,SHIYONGBEICUJIN,SHANZHADEXIAOHAOSHIBIHEZENGJIA,QIXUQIULIANGJIUHUIZENGJIA,ZHEIDUIYUSHANZHADEZAIZHILAISHUOSHIHENHAODEJIYU,ZAIZHILIANGHAODESHANZHAPINZHONG,MANZUSHICHANGXUQIUDETONGSHITIGAOSHANZHADESHICHANGJINGZHENGLI,RANGSHANZHADEXIAOSHOUGENGHAO。ZAIJINXINGZAIZHIDEGUOCHENGZHONG,SHANZHADASHUDESHUAILAOTUIHUASHIYINGXIANGSHANZHACHANLIANGHEZHILIANGDEZHONGYAOYINSU,YINCIYINGDUISHANZHADASHUDESHUAILAOHETUIHUANENGGOUYOUXIAODETIGAOSHANZHADEZHILIANGHECHANLIANG,JINGJIXIAOYIYEJIUHUIGENGHAO,XIANGYAOYINGDUISHANZHADASHUDESHUAILAOHETUIHUAJIUYAOQINGCHUDAOZHIQISHUAILAOTUIHUADEYUANYIN。

一、 修剪不当,结构不合理:

上海11选5CONGSHUTIJIEGOUSHANGKANCUNZAIDEWENTISHI:YISHIGUGANZHIDUO,YIBANYOUDAZHI8~10GE,JIBUZHUZHIMIJILUNSHENG,NEITANGXIAOZHIKUSI,ZAOCHENGSHUTIJIEGUOMIANJIXIAO。ERSHIDUONIANBUXIUJIAN,SHUXIAGUANLICHA,ZAOCHENGSHUSHISHUAIRUO、WAIWEIZHITIAOMIJI、SHUGUANYUBI、NEITANGKONGXU、JIEGUOBUWEIWAIYI、HUAKAIMANSHUDANZUOGUOBUDUODEXIANXIANGYANZHONG。SISHIFULANBINGYANZHONG,KUZHI、SIZHI、BINGZHIBIJIAODUO,GUOPINDEZHILIANGHENCHA,JINGJIXIAOYIBIJIAODI。

二、 防治不到位,病虫害严重:

YINWEINONGMINDUIGUOYUANDEGUANLIJISHUBIJIAODECUFANG,DAOZHIBINGCHONGHAIBIJIAOYANZHONG,YOUQISHIFULANBINGHEZAOQILUOYEBINGDENG,FULANBINGYINWEIPICENGHUAISIDAOZHIGUOSHUSHANGXIAYANGFENYUNSHUBUCHANG,YINGXIANGLEYOUJIYINGYANG、WUJIYINGYANG、SHUIFENZHENGCHANGJIAOHUANYUNSHU,ZHISHIGUOSHUZHIHEGENXISHENGZHANGFAYUBULIANG,ZAOCHENGZHIKUGENSI,YANZHONGDEKENENGDAOZHIZHENGZHUGUOSHUSHUAILAO、SIWANG。

上海11选5ZAOQILUOYEBINGWANGWANGRANGGUOSHUZAI7~8YUEJIUKAISHIDALIANGLUOYE,YINGXIANGGUOSHUHOUQIGUANGHECHANWU,SHIGUOSHUSHENGZHANGHUANMAN、GUOGEXIAO、PINZHICHA、CHANLIANGDI,YANGFEIJILEISHAO,YANZHONGDESHIHOUZAOCHENGDANGNIANERCIFAYA,SHENZHIDANGNIANKAIERCIHUA,YINGXIANGDIERNIANDEHUALIANG,YANZHONGXUERUOLESHUSHI。

三、 自然灾害:

近年来,干旱、沙尘、暴雨、冰雹、晚霜、严冬、春寒等气候条件直接影响山楂花期正常授粉受精,或者造成冻花、冻果,导致果树坐果率低,果园提前出现未老先衰的迹象。
导致山楂树衰老退化原因

四、 肥水不足,立地条件差:

SHANZHAYUANDUOJIANZAISHANPODI,TUDIJIBO,QUEFAGUANGAITIAOJIAN,FEILIAOSHIYONGLIANGSHAO,SHENZHIBUSHIFEI,HUOZHENIANNIANSHIYONGHUAFEI,ZAOCHENGTURANGYINGYANGDEBUJUNHENG,QUEFACHIXIAOXINGYINGYANGDEGONGJI,RANGSHANZHADASHUJINGCHANGCHUZAIJIEDEZHUANGTAI。

五、 成花容易,果实负载超量:

SHANZHADASHUCHENGHUARONGYI,TEBIESHIGUGANZHIHUAYALIANGGUODUO。GUONONGZHIQIUYANQIANDEXIAOYI,BUJINXINGSHUHUASHUGUO,YINSHUDINGGUO、HELILIUGUO,JIEGUOZHIZUDUANJIELIANGBUZU,DAOZHISHUTIYANGFENZHUYAOGONGYINGGUOSHIDESHENGZHANGFAYU,SHUTIYINGYANGXIAOHAOGUODU,YINGXIANGHUAYAFENHUA,JIANGDIGUOSHIPINZHI,XUERUOZHIYEHEGENXIDESHENGZHANG,SHIDANGNIANYOUJIYINGYANGDESHENGCHANLIANGXIAJIANG,SHUTIJILEIYINGYANGSHAO,SHENGZHANGHUANMAN,SHUSHIYOUQIANGBIANRUO,YINGXIANGQIZHENGCHANGDESHENGZHANG。

上海11选5SHIJISHANG,DAOZHIGUOSHUSHUAILAOTUIHUADEGENBENYUANYINHAISHIGUANLIDEBUDANG,HUOZHESHUOSHIGUANLIHAIBUGOUJINGXIN,BUGOUXIZHI,BUNENGGOUJISHIDEFAXIANWENTIBINGJIEJUEWENTI,DUIYUZAIZHIZHELAISHUO,BUDANYAOZHANGWOXIZHIDEGUANLIJISHU,TONGSHIHAIYAOSHULIANZHANGWOCAOZUOHEBUDUANZONGJIEGUANLIJINGYAN,ZHEIYANGNENGGOUGENGZAODEFAXIANGUOSHUYUDAODEWENTIBINGZUOCHUXIANGYINGDEYINGDUICUOSHI,BAOZHENGGUOSHUDEJIANKANG。