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蕃茄病毒病认识及防治方法

2020-01-16 13:58:33 51

分布为害:

番茄病毒病是番茄的重要病害,我国南北分布都较普遍。尤以秋番茄、秋延后栽培番茄,若管理不当,种植前就有毁种的,严重时棚室发病率达70%~80%,减产50%以上,有的常因此而无收成。


症状:

BINGDUBINGCHANGJIANDEYOUHUAYE、JUEYE、TIAOBAN、HUNHEQINRANSIZHONGLEIXING。QIFABINGLVYIHUAYEXINGWEIZUIGAO,JUEYEXINGCIZHI,TIAOBANXINGJIAOSHAO,ERWEIHAICHENGDUYITIAOBANXING、HUNHEXINGZUIYANZHONG,SHENZHIZAOCHENGJUESHOU,JUEYEXINGJUZHONG,HUAYEXINGJIAOQING。

(1)HUAYEXING。ZHUYAOYOULIANGZHONGZHENGZHUANG:YIZHONGSHIYEPIANSHANGYOUQINGWEIDEHUAYEHUOLVEXIANBANBO,ZHIZHUBUAIHUA、YEPIANBUBIANXING,DUICHANLIANGDEYINGXIANGBUTAIMINGXIAN;LINGYIZHONGYOUMINGXIANDEHUAYE,YEPIANBIANDEXIZHANG、XIAZHAI、NIUQU、JIXING,ZHIZHUAIXIAO,LUOLEILUOHUAYANZHONG,GUOSHIBIANXIAO,GUOSHIBIAOMIANCHENGHUALIANZHUANG,PINZHICHA,DUICHANLIANGYINGXIANGJIAODA。

(2)蕨叶型。叶片呈黄绿色,并直立上卷,叶背面的叶脉出现淡紫色。由于叶肉组织退化,从而使叶片扭曲成线状,表现为蕨叶型。同时植株从生、矮化、细小。

                               

(3)条斑型。叶脉出现坏死条斑或散生黑色油渍状坏死斑,然后顺叶柄蔓延至茎秆,初期表现为暗绿色凹陷的短条纹,后期变为深褐色凹陷的坏死条斑。果实上产生不同形状的褐色斑块,并且这种褐色斑块只发生于表皮组织上。

(4)混合型。症状与上述条斑型相似,但为害果实的症状与条斑型不同。混合型为害果实的块小,且不凹陷,条斑型则斑块大,且呈油渍状,褐色凹陷坏死,后期变为枯死斑。


病原:

BINGYUANWEIYANCAOHUAYEBINGDU Tobacco mosaic virus(TMv);HUANGGUAHUAYEBINGDU Cucumber mosaIc mirus(CMV);MALINGSHUⅩBINGDU Potato VIrus X(PVX);YANCAOHUAYEBINGDU Tobacco mosaIc vIrus (TMV);FANQIEBANWEIBINGDU Tomato spotted wilt virus,JIANCHENG(Tswv)

发病规律:

BINGDUBINGDEFASHENGHEQIHOUTIAOJIANGUANXIMIQIE,GAOWENGANHANYIYUFASHENGHELIUXING。CHUNDAPENGHEQIUYANHOUZAIPEIDEFANQIEBINGDUBINGDEFASHENGTEDIANBUTONG。CHUNDAPENGFANQIEQIANQIBINGDUBINGJIAOQING,ZHUYAOYOUBINGCANTIHEZHONGZINEIXIEDAIDEYANCAOHUAYEBINGDUYINQI,JINGYIZHI、ZHONGZHIDENGNONGSHICAOZUOCHUANBO。JINRU5YUEFENHOU,QIWENDA20℃SHI,JUEYEHEHUAYEBINGKAISHIJIAZHONG,ZHEIYUCISHIHUANGGUAHUAYEBINGDUZENGJIAYOUGUAN。PENGSHIZHOUWEIDUONIANSHENGZACAOSHIHUANGGUAHUAYEBINGDUDEYUEDONGSUZHU,YACHONGSHIHUANGGUAHUAYEBINGDUDEZHUYAOCHUANDUJIETI。FANPENGSHIZHOUWEIZACAODUO,PENGSHINEIYACHONGJIAOZHONG,CHUNPENGBINGDUBINGYEKEJIAZHONG。YIBANYUJIDAOLAIQIAN,QIWENCHIXUGAOYU25℃,ZHENGZHUANGZHUJIANJIANQING。QIUYANHOUFANQIEBINGDUBINGBICHUNDAPENGYANZHONGDEDUO,ZHUYAOZHENGZHUANGWEIJUEYEHETIAOWENBING。CISHIDUYUANYIHUANGGUAHUAYEBINGDUHEYANCAOHUAYEBINGDUWEIZHU。YOUYUCIQITIANQIGAOWENGANHAN,RIZHAOQIANG,QIUFANQIEZAIYUMIAOQIJIAN,JINGCHANGYOUYUTUWENGUOGAOERZAOCHENGYOUMIAOGENXISHANGKOU,GEN、YOUJING、YEPIANDENGYEYIBEIZHUOSHANG。JIASHANGBAOFENGYUTIANQIZAOCHENGDEZHIZHUSHANGKOU,ZHEIXIEJUNYOULIYUCUNHUOYUTURANGBINGTIZHONGDEYANCAOHUAYEBINGDUDEQINRAN。NONGSHICAOZUOZAIYOUMIAOJIANXIANGHUCHUANBOGANRAN,ZHONGZISHANGYANCAOHUAYEBINGDUQINRANLVYEGAOYUCHUNPENG。DINGZHIHOU8、9YUEFENBINGHAIJIAZHONG。DISHIDIZHU、PAISHUIBULIANG、TONGFENGBUCHANGHESHIYONGWEIFUSHUYOUJIHUAFEIJUNKEJIAZHONGBINGDUBINGFASHENG。

防治措施:

(1)XUANYONGHANGBINGPINZHONG,ZHENDUIDANGDIZHUYAODUYUAN,YINDIZHIYIDIXUANYONGKANGBINGPINZHONG。

幸运飞艇8码公式规律(2)SHIXINGWUBINGDUZHONGZISHENGCHAN,BOZHONGQIANYONGQINGSHUIJINZHONG3-4XIAOSHI,ZAIFANGRU10%LINSUANSANNARONGYEZHONGJIN40-50FENZHONG,LAOCHUHOUYONGQINGSHUICHONGJINGZAICUIYABOZHONG;HUO0.1%GAOMENGSUANJIAJINZHONG30FENZHONG。

(3)从育苗、移栽、定植用冲多多冲施或灌根2-3次,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、强根壮苗、茎秆粗壮、叶片肥厚快速缓解药害的效果,从而增加作物的抗病性以及抗逆性。


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。

  (4)ZAIPEIFANGZHI,JIAQIANGDINGZHIHOUCAIPEIFANGZHICUOSHI,RUSHISHIBOZHONG,SHISHIZAODINGZHIDENG。


  (5)YAOYEJINGEN(JINGENJIEZHONG)。YONGRUODUBINGMIAON4,DUIYOUMIAOJINXINGJINGEN,100BEIYEJIN30-60FENZHONG,RANHOUFENMIAOYIZAI。


幸运飞艇8码公式规律 (6)ZAOQIFANGZHIYACHONG、JIMA、BAIFENSHI、YANFENSHIZUIWEIZHONGYAO,YOUYIGAOWENGANHANNIANFEN,YAOZHUYIJISHIPENYAO。KEXUANYONGYAOJIYOUBICHONGLIN、DINGCHONGMI、DINGLIUKEBAIWEI、AWEIJUNSU、CHONGQIN、XINLIULINDENG


(6)FABINGCHUQIPENSA2%NINGNANMEISUSHUIJI500BEIYE,HUO5%JUNDUQINGSHUIJI400BEIYE,HUO3%ANJIGUATANGSUSHUIJI1000BEIYE。


以上就是今天给大家分享的有关番茄病毒病管理的技术要点,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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