水(shui)稻(dao)(dao)(dao)恶苗(miao)病(bing)是我(woꦛ)区水(shui)稻(dao)(dao)(dao)上最主要的(de)(de)种(zhong)(zhong)(zhong)传病(bing)害(hai),由区农技中心(xin)抽(chou)样送检经(jing)市农技中心(xin)检测,今(jin)(jin)年我(wo)区水(shui)稻(dao)(dao)(dao)主要种(zhong)(zhong)(zhong)植品(pin)种(zhong)(zhong)(zhong)稻(dao)(dao)(dao)种(zhong)(zhong)(zhong)恶苗(miao)病(bing)平(ping)均带菌率为(wei)3.6%,最高(gao)8%,带菌率较去年略低。但鉴于去年田间发病(bing)普遍,今(jin)(jin)年恶苗(miao)病(bing)仍(reng)存在较大流行风险。稻(dao)(dao)(dao)种(zhong)(zhong)(zhong)药剂(ji)处(chu)理是控制(zhi)水(shui)稻(dao)(dao)(dao)种(zhong)(zhong)(zhong)传病(bing)害(hai)最经(jing)济(ji)有效的(de)(de)措施,为(wei)此希(xi)望(wang)各街镇(zhen)及广大种(zhong)(zhong)(zhong)植户引起(qi)高(gao)度重视,认(ren)真做好水(shui)稻(dao)(dao)(dao)种(zhong)(zhong)(zhong)子处(chu)理工(gong)作,为(wei)今(jin)(jin)年水(shui)稻(dao)(dao)(dao)高(gao)产(chan)丰收(shou)打下良好的(de)(de)基础。具体技术要求如下:
一、晒种选种
播前ཧ选晴好天气晒种(zhong)1~2天,并精选种(zhong)子,除去秕粒病粒、减(jian)少菌源,以提高种(zhong)子的发(fa)芽势,增强秧苗(miao)抗📖病能力。
二(er)、化(hua)学剂操作(zuo)消毒液科技
1、加工形式:
每(me💦i)4kg稻种(zhong)(zhong)(zhong)(亩(mu)用种(zhong)(zhong)(zhong)量)用浸种(zhong)(zhong)(zhong)药(yao)剂9ml,ꦰ采用二次稀(xi)(xi)释法,先加少量水调成浆糊状(zhuang),然后再加清水6kg稀(xi)(xi)释,配成药(yao)液。将选过的(de)稻种(zhong)(zhong)(zhong)4kg(亩(mu)用种(zhong)(zhong)(zhong)量)浸入配成的(de)药(yao)液中搅拌均匀(yun),以药(yao)液高出种(zhong)(zhong)(zhong)子(zi)2-3cm为宜。(若稻种(zhong)(zhong)(zhong)数量多可按上述相应比例配制)
2、浸种时(shi)间:🧔日(ri)平均气(qi)温低于(yu)20℃,🗹浸种时(shi)间应为60小(xiao)时(shi),20℃以上(shang),浸种时(shi)间应在48小(xiao)时(shi)左右,具体根据气(qi)温变化掌握(wo)好时(shi)间,但(dan)浸足时(shi)间是保证(zheng)药效的关键。
三、注重装修细节
1、浸(jin)(jin)种(zhong)不锈钢容器(qi)要加盖,并放置在阴凉处(chu)闭光处(chu)。严关闭蛇皮袋(dai)进(jin)行(xing)浸(jin)(💞jin)种(zhong),以避免(mian)干扰效果好。稻种(zhong)杀菌后不必须要 凉水冲冼(xian),可进(jin)行(xing)沥干催芽载种(zhong)。
2、化剂办(ban)理过的迅雷(lei)链(lian)接,勿(wu)与饮(yin)品(pin)、牛伺(si)料(liao)放(fang)置(zhi)在在一起,不应(ying)(ying)喂养禽畜,更(geng)不应(ying)(ying)时用生(sheng)产加工牛伺(si)料(liao🍨)或食品(pin)原料(liao)。
3、治疗(liao)后应尽量规(gui)避药液等就直接进(jin)行室内(nei)渔塘、虾塘等海产品养殖业的特点,🗹尽量规(gui)避导致(zhi)鱼、虾、蟹死(si)亡(wang)视频(pin)。
4、农(nong)药杀(sha)菌(jun)剂(ji)杀(sha)菌(jun)剂(ji)封装(zhuang)废品(pin)♛物(wu)没😼法随性(xing)丟(diu)弃或强制外(wai)理,立刻交(jiao)给各个农(nong)药杀(sha)菌(jun)剂(ji)杀(sha)菌(jun)剂(ji)封装(zhuang)废品(pin)物(wu)二手(shou)回收点。
浸种解毒剂品系等详请管理咨询本市植物保护团队。