3月大棚蔬菜开花结果期,害虫都抗药了,怎么防治?

           

网上兼职赚钱指南3YUEQIWENHUISHENG,SUIRANCHANGYUWUMAIHEYINYUTIANQI,DANSHIHAISHIHUIGANJUEDAOTIANQIZHUJIANZHUANNUAN。CISHIYESHISHUCAISHENGZHANGDEMINGANSHIQI,BINGCHONGHAIRONGYIBAOFA,SHAOBUZHUYIJIUHUIJISHUCAIZAOCHENGJUDASHANGHAI。 

蔬菜生长情况:3月大棚种植番茄、辣椒、茄子、黄瓜、瓠瓜、西葫芦等早熟果菜类蔬菜进入开花结果期管理。

LUDISHUCAIBOZHONGYUMIAOZAIZHI。

网上兼职赚钱指南3YUEKAISHILUXUHUODONGDE“XIAOCHONG”,ZUIDIANXINGDEYOUYACHONG、FENSHI、JIMAHEMANCHONG。DOUSHIXIHUANGUOCAILEISHUCAIDEHAICHONG。

  • 网上兼职赚钱指南YACHONGDEZHONGLEIFEICHANGDUO,JIHUNENGYISUOYOUDESHUCAIZUOWUWEIJIZHUZHIWU,DANZHUYAOSHIGUALEI、QIEGUOLEI、SHIZIHUAKESHUCAI。 CONGSHANGBANNIAN3YUEFENQI,SUIZHEQIWENDEHUISHENG,YACHONGKAISHIWEIHAIZUOWU,BINGYU4YUEZHONGXUNZHI6YUEFENSHANGZHONGXUNDADAOGAOFENG,XIABANNIANYACHONGDEWEIHAIGAOFENGWEI8YUEXIAXUNZHI11YUESHANGXUN。

  • 网上兼职赚钱指南FENSHILEIHAICHONGKEZAIPENGSHIZHONGZHONGNIANWEIHAI。CHANGJIANDEFENSHILEIZHUYAOYOUYANFENSHIHEWENSHIBAIFENSHI。 CHENGCHONGXIHUANWUFENGWENNUANTIANQI,YOUQUHUANGXING。  

  • JIMAZAIQIEZI、LAJIAOJIGUALEISHUCAISHENGCHANZHONGFASHENGJIAOWEIPUBIAN。GEBUWEIYEPIANJUNNENGSHOUHAI,DANYIYEBEIWEIZHU。JIMAFASHENGGAOFENGZAIQIUJIHUORUDONG11~12YUE,3~5YUEFENZESHIDIERGEGAOFENGQI。 

  • 螨虫在辣椒、茄子、丝瓜等蔬菜上为害极严重。螨类害虫有红蜘蛛、茶黄螨等。红蜘蛛为害能在叶片背面看到针尖大小的红点,以成螨或若螨集聚成橘红至鲜红色的虫堆为害叶背。 螨虫在棚室条件下几乎全年可发生,春秋发生严重。

DANDANZHEIJIZHONGHAICHONGJIUNENGJIDAPENGSHUCAIDAILAIJUDASHANGHAI,YINCIZUOHAOBINGCHONGHAIDEYUFANGZHIGUANZHONGYAO:

第一:通过合理施肥、浇水,及时整枝打杈,摘除病老叶等措施,提高植株抵抗力,改善生长环境,预防病虫害的发生。

SHIFEI:ZHUIFEIYINGZHANGWO“KONGDAN、ZENGJIA、BUWEI、BOSHI、QINSHI”DEYUANZE,KONGZHIDANFEIYONGLIANG,ZENGJIAJIAFEI,BUCHONGWEIFEI,XIEDIAODAN、LIN、JIADEBILI,ZUODAOPINGHENGSHIFEI。 

网上兼职赚钱指南JIAOSHUI:JIAOSHUIYAOYANGEKONGZHIJIAOSHUILIANG,FANGZHISHINEISHIDUGUOGAO。MEICIJIAOSHUIHOUSHIDANGFANGFENG,JISHIJINXINGSONGTU,KEYIJIANGDITURANGSHIDU,YEKEYIJIANGDIKONGQISHIDU。

TONGFENG:CHUNJI,TEBIESHIZAOCHUN,WAIJIEQIWENJIAODI,BUNENGJINXINGDADETONGFENG,TONGFENGBIXUZAIGAOWENSHIJINXING,FOUZEHUIYINQISHINEIWENDUXIAJIANG。RUGUOTONGFENGSHIWENDUXIAJIANGGUOKUAI,YAOJISHIGUANBITONGFENGKOU,FANGZHIWENDUZHOURANXIAJIANGSHISHUCAIZAOSHOUWEIHAI。

第二:物理防御,天气回暖后,病虫害呈上升趋势,尽可能采用物理防治和生物防治相结合的方法,进行病虫害预防。

WULIFANGZHICUOSHIBAOKUOCAIYONGTAIYANGGUANGXIAODUTURANG,YONGHUANGSEYOUCHONGBANYOUSHAYACHONG、BAIFENSHIHEBANQIANYINGDENGHAICHONG,YONGLANSEYOUCHONGBANYOUSHAJIMA,YONGXINGYOUJI、HUOPINZHENSHISHACHONGDENGYOUSHAYEE、CAIEDENGHAICHONG。

FENSHI、YACHONG、JIMADENGHAICHONGTIXINGXIAO,RUOBUZHUYI,FEICHANGRONGYIHULVEGUOQU,DENGDAOFAXIANSHIPENGNEICHONGHAIYIJINGFEICHANGYANZHONG。 YOUCHONGBANKEYIQIDAOZHANSHAHETIXINGDEZUOYONG。

DUIYUDIEELEIHAICHONG,KEYISHIYONGHEIGUANGDENG、YOUBUQIDENGYOUSHACHENGCHONG,JIANSHAOQICHANLUANLIANG。KEZAIDAPENGNEIANZHUANGYOUBUQI,TONGGUOZHUANYONGDEXINGJISU,KEYIYOUSHADIEELEICHENGCHONG。 

第三:药物防御,必要时选择高效低毒低残留无公害农药,严格控制使用量、使用次数和安全间隔期,严禁使用国家明令禁止在蔬菜上使用的化学农药,确保农产品质量安全。

JIANYICAINONGXUANZEQINGHAOTIANQI,TIZAOSHIYONGBAOHUXINGSHAJUNJITIGAOKANGBINGXING,FANGZHIBINGYUANJUNDEQINRAN。DUIYUFABINGDEZHIZHU,YONGYAOZHONGLEIBUYAOTANDUO,YEBUYAOMANGMUZENGJIAYONGYAOLIANG,YIDINGYAOANZHAOSHUOMINGSHULAIYONGYAO。

CIWAI,YINYUTIANQIZHUANQINGHOU,BUYAOZHEJIYONGYAO,ZHEISHIYINWEICISHIZHIZHUYEPIANJIAOZHENGCHANGTIANQISHIBO、HUANG、ERQIENEN、XIANWEIZUZHIROURUO,LIJIYONGYAOHENRONGYICHANSHENGYAOHAI,JIANYITONGFENGJIANGUANGHOU1-2TIANZAIYONGYAO。

YONGYAOSHIZHUYISULIAOPENGMOFUGAIDEDIFANG,JIPENGBIYUPENGDING。ZHEIXIEDIFANGJIHUYIZHICANLIUYOUHENDUOSHUIZHU,BINGJUNBAOZIJIUYOUHENDUOYINZANGZAILIMIAN,DENGDAOSHUIFENYUEJIYUEDUO,JIUSUIZHESHUIZHUDIAOLUOXIAQUYIBUFEN,CHENGWEIERCIQINRANDEQINRANYUAN。、

网上兼职赚钱指南NONGYAOSHIYUFANGNONGYEBINGCHONGHAIDEZHONGYAOSHOUDUAN,DANSHISUIZHENONGYAODESHIYONG,ZHEIXIENONGYEYOUHAISHENGWUYEHUIZHUJIANCHANSHENGKANGYAOXING,ZAIQUANGUONONGJIZHONGXINFABUDE2018NIANKANGYAOXINGJIANCEJIEGUOZHONG:

小菜蛾:目前我国长三角蔬菜产区小菜蛾种群对氯虫苯甲酰胺、茚虫威、虫螨腈产生了中等至高水平抗性,华北蔬菜产区小菜蛾种群则处于敏感至中等水平抗性。

  • 网上兼职赚钱指南DUICEJIANYI:ZHANGSANJIAOSHUCAICHANQUYINGJIXUYANGEXIANZHIQISHIYONGCISHU,MEIJISHUCAISHIYONGCISHUBUCHAOGUO1CI,BIMIANXIAOCAIEZHONGQUNLIANXUDUOSHIDAIJIECHUTONGYIZUOYONGJILIDEYAOJI,KEJIAOTILUNHUANSHIYONGYIJIDUOSHAJUNSU、DUOSHAJUNSU、DINGMINIAODENGBUTONGZUOYONGJILIYAOJI。TONGSHI,ZAIHUABEISHUCAICHANQUJIAQIANGDUIXIAOCAIEDEKANGYAOXINGJIANCE。

甜菜夜蛾:网上兼职赚钱指南上海奉贤和崇明、湖北黄陂、广东白云甜菜夜蛾种群对双酰胺类药剂氯虫苯甲酰胺处于高水平抗性,其中上海奉贤种群抗性倍数最高,达到2554倍;对茚虫威处于中等至高水平抗性;对昆虫生长调节剂类药剂甲氧虫酰肼处于低至中等水平抗性;对大环内酯类药剂多杀菌素处于敏感至低水平抗性。

  • DUICEJIANYI:ZAIZHANGSANJIAO、HUANANSHUCAICHANQU,JIANYIDIAOZHENGYONGYAOCELVE,TINGZHISHIYONGLVCHONGBENJIAXIANANFANGZHITIANCAIYEE,YANGEKONGZHIJIAYANGCHONGXIANJING、YINCHONGWEI、DUOSHAJUNSUDENGYAOJIZAITIANCAIYEEFANGZHIZHONGDESHIYONGCISHU,MEIJISHUCAISHIYONGCISHUBUCHAOGUO1CI,BINGZHUYIBUTONGZUOYONGJILIJIANYAOJIDEJIAOTILUNHUANSHIYONG。

烟粉虱:网上兼职赚钱指南湖北、湖南等华中蔬菜产区烟粉虱种群对双酰胺类溴氰虫酰胺、昆虫生长调节剂类吡丙醚、季酮酸类螺虫乙酯等药剂均处于高水平抗性;北京、天津、山西、山东等华北蔬菜产区烟粉虱种群对溴氰虫酰胺处于中等至高水平抗性,对吡丙醚、螺虫乙酯等药剂处于中等水平抗性。

  • 网上兼职赚钱指南DUICEJIANYI:JIANYUHUAZHONGDIQUYANFENSHIKANGYAOXINGJIAOGAODETEDIAN,HUBEI、HUNANSHUCAICHANQUYINGTINGZHISHIYONGXIUQINGCHONGXIANAN、BIBINGMI、LUOCHONGYIZHIDENGKANGXINGSHANGSHENGDEYAOJI,LUNHUANSHIYONGFUDINGCHONGANJING、FUCHONGANDENGJUYOUBUTONGZUOYONGJILIDEYAOJIFANGZHIYANFENSHI。

西花蓟马:目前监测地区西花蓟马种群对乙基多杀菌素产生高水平抗性,对甲氨基阿维菌素苯甲酸盐、多杀菌素处于中等至高水平抗性,对虫螨腈处于中等水平抗性,对高效氯氰菊酯、噻虫嗪处于敏感状态。

  • DUICEJIANYI:JIANYIZAIXIHUAJIMAGAOSHUIPINGKANGXINGSHUCAICHANQUTINGZHISHIYONGYIJIDUOSHAJUNSU、DUOSHAJUNSU、JIAANJIAWEIJUNSUBENJIASUANYANFANGZHIXIHUAJIMA,LUNHUANXUANYONGCHONGMANJING、GAOXIAOLVQINGJUZHI、SAICHONGQINDENGBUTONGZUOYONGJILIYAOJIFANGZHIXIHUAJIMA,YANHUANQIKANGYAOXINGFAZHAN。

第四:做好灾害性天气预防,春季易发生连阴天、“倒春寒”、大风等极端灾害性天气,对蔬菜生产造成严重危害。

SHOUXIANZUOHAOBAOWENFANGHANGONGZUO,JIANGDAPENGGECHUPENGMOPODONGHELIEFENGJINXINGFENGDU,BIMIANLENGFENGCONGTONGFENGKOUZHIJIECHUIRUSHINEISUNSHANGZHIZHU。BINGQIEGENJUQIWENBIANHUA,WANSHANGKEZAIXIAOGONGPENGSHANGJIDAPENGSIZHOUFUGAIDAOCAOLIANHUOWUFANGBU,ZENGJIABAOWENNENGLI。TIQIANGUDINGHAOFUGAIWU,FANGZHIDAFENGZAOCHENGDESHANGHAI。

ZUOHAOCHUNJIDAPENGBINGCHONGHAIFANGZHIGONGZUONENGGOUDUISHUCAIPINZHIHECHANLIANGSHANGYOUZHONGDADEYIYI,ZAICHUNJISHUCAIGUANLISHANGYIDINGYAOJIANCHI“YUFANGWEIZHU,ZONGHEFANGZHI”DEFANGZHEN。