幸运飞艇8码公式规律

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小麦病害白粉病及防治方法

2020-01-13 10:44:34 52

分布为害:


 小麦白粉病是一种世界性病害,在各地产麦区均有分布,为害也重,被害植株生长发育受到严重影响,使产量大大降低。

症状:

幸运飞艇8码公式规律ZHUYAOWEIHAIYEPIAN,YANZHONGSHIYEKEWEIHAIYEQIAO、JINGGANHESUIBU。BINGBUZUICHUCHUXIAN1~2mmDAXIAODEBAISEMEIDIAN,HOUZHUJIANKUODAWEIJINYUANXINGZHITUOYUANXINGBAISEMEIBAN,MEICENGDEHOUDUKEDA2mZUOYOU,MEIBANBIAOMIANYOUYICENGBAISEFENZHUANGWU。FABINGZHONGSHIBINGBANLIANCHENGYIPIAN,XINGCHENGYIDAPIANBAISEZHIHUISEDEMEICENG。HOUQI,BAIFENZHUANGMEICENGZHUJIANBIANWEIHUIBAISEZHIDANHESE,BINGSANCHUXUDUOHUANGHESEZHIHEIHESEDEXIAOLIDIAN。BEIHAIYEPIANMEICENGXIADEZUZHI,ZAICHUQIWUMINGXIANBIANHUA,SUIZHEBINGQINGDEFAZHAN,YEPIANFASHENGTUNLV、FAHUANGNAIZHIKUSI。MAILIYINGQIAOSHOUHAISHI,NENGYINQIKUSI,SHIMAILIBUBAOMANSHENZHIFULAN。FABINGYANZHONGDEBINGZHUAIERRUO,BUNENGCHOUSUIHUOCHOUCHUDESUIDUANXIAO。YIBANYEZHENGMIANDEBINGBANBIYEBEIMIANDEDUO,XIABUYEPIANBISHANGBUYEPIANBEIHAIZHONG。FABINGYANZHONGSHIZHENGGEZHIZHUCONGXIADAOSHANGJUNBEIHUIBAISEDEMEICENGFUGAI。

病原:

BINGYUANWEIHEBENKEBUSHIBAIFENJUNXIAOMAIZHUANHUAXING Blumeria graminis f.sp. tritici Marchal SHUZINANGJUNYAMENZHENJUN。


发病规律:

BINGJUNYIFENSHENGBAOZIJIEDUANZAIXIAJIQIWENJIAODIDIQUDEZISHENGMAIMIAOHUOXIAXIAOMAISHANGQINRANFANZHIHUOYIQIANYUZHUANGTAIDUGUOXIAJI,YEKETONGGUOBINGCANTISHANGDEBINANGQIAOZAIGANZAOHEDIWENTIAOJIANXIAYUEXIA。BINGJUNYUEDONGFANGSHIYOULIANGZHONG,YISHIYIFENSHENGBAOZIXINGTAIYUEDONG;ERSHIYIJUNSITIQIANFUZAIJIZHUZUZHINEIYUEDONG。BINGJUNKAOFENSHENGBAOZIHUOZINANGBAOZIJIEQILIUCHUANBODAOGANBINGXIAOMAIYEPIANSHANGQINRUJIZHUHOU,ZAIZUZHIXIBAOJIANKUOZHANMANYAN,BINGXIANGJIZHUTIWAIZHANGCHUJUNSI,CHANSHENGFENSHENGBAOZIGENGHEFENSHENGBAOZI,FENSHENGBAOZICHENGSHUHOUTUOLUO,SUIQILIUCHUANBOMANYAN,JINXINGDUOCIZAIQINRAN。SUIZHEMAITIANFEISHUITIAOJIANDEGAISHANJIGAOCHANTIANQUNTIMIDUJIADA,XIAOMAIBAIFENBINGFABINGZHUNIANJIAZHONG。XIAOMAISHOUHAIHOU,HUXIZUOYONGTIGAO,ZHENGTENGQIANGDUZENGJIA,GUANGHEXIAOLVJIANGDI,YANZHONGYINGXIANGLEXIAOMAIDEZHENGCHANGSHENGZHANGFAYU,XIAOMAIYEPIANZAOKU,FENNIEHECHENGSUILVJIANGDI,ZILILIANGXIAJIANG,ZAOCHENGJIANCHAN。FABINGSHIWEN15~20℃,XIANGDUISHIDUDAYU70%YOUKENENGZAOCHENGBINGHAILIUXING。DONGJIWENNUAN、YUXUEJIAODUO,HUOTURANGSHIDUJIAODA,YOULIYUBINGJUNYUEDONG。YURI、YULIANGGUODUO,KECHONGSHUADIAOBIAOMIANFENSHENGBAOZI,CONGERJIANHUANBINGHAIFASHENG。PIANSHIDANFEI,ZAOCHENGZHIZHUTANQING,FABINGZHONG,ZHIZHUSHENGZHANGSHUAIRUO、KANGBINGLIDIYIFABING。

防治措施:

幸运飞艇8码公式规律(1)XUANYONGKANGBINGFENGCHANPINZHONG,KEYOUXIAOYIZHIXIAOMAIBAIFENBINGDEFASHENG,MUQIANYINGYIXUANYUCHENGZHUQIJUYOUKANGBINGXINGDEPINZHONGWEIZHU。


(2)苗期生产中后期用黑金硅全营养两个产品间隔7天交替使用2-3遍,达到改善土壤、根系发达、增加有效分蘖、强根壮苗、茎秆粗壮、超强抗倒伏,从而增加小麦对白粉病的抗逆和抗病虫害能力。

产品功能:

·全面补充作物所必需的各种营养和能量,预防和矫正因缺素所引起的弱苗、小叶、黄化、落叶、早衰等生理病害,提高作物抗旱、抗寒、抗逆和抗病虫害能力。

·有效增强作物光合作用和呼吸作用,促进叶绿素和线粒体生成,强根、壮苗、保花、保果,提高产量。

·促进果实营养积累及干物质转化,提高果实单果重和优质品率,改善内在品质和商品品相,及耐储存性。

·促进作物根系发达和增加有效分蘖,强化根系对土壤中大中微量元素的吸收,提高固体化肥利用率。

·快速缓解药害、肥害、冻害、促进作物恢复正常健康生长。

·改良土壤,提高土壤循环利用和再生能力,保护土壤肥力和环境。


幸运飞艇8码公式规律(2)MAISHOUHOUJISHICHANCHUGEZHONGCHANGHEDEZISHENGXIAOMAI,XIAOMIECHUQIQINRANYUAN。


(3)YAOJIFANGZHIMUQIANYINGYONGJIAOGUANGDEYAOJISHISANZUOTONG,JIANYISHIYONGXINXINGSANZUOLEISHAJUNJIRUYONG12.5%FUHUANZUOXUANFUJIMEIMU20~30g,HUO25%BINGHUANZUORUYOUMEIMU30-40g


以上就是今天给大家分享的有关小麦白粉病管理的技术要点,希望您能学以致用,做好防治工作,收获一份丰收的喜悦。关注汇禾微信公众号了解更多行业资讯!

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