水(shui)(shui)稻(dao)(dao)(dao)恶苗(miao)病(bing)是我(wo)区水(shui)(shui)稻(dao)(dao)(dao)上最主要的(de)种(zhong)(zhong)传病(bing)害,由区农(nong)技中心抽样(yang)送检经(jing)市农(nong)技中心检测,今(jin)(jin)年我(wo)区水(shui)(shui)稻(dao)(dao)(dao)主要种(zhong)(zhong)植(zhi)品种(zhong)(zhong)稻(dao)(dao)(dao)种(zhong)(zhong)恶苗(miao)病(bing)平均带菌率(lv)为3.6%,最高(gao)8%,带菌率(lv)较去(qu)年略低。但鉴(jian)于去(qu)年田(tian)间(jian)发病(bing)普遍,今(jin)(jin)年恶苗(miao)病(bing)仍存(cun)在较大(da)流行(xing)风险。稻(dao)(dao)(dao)种(zhong)(zhong)药𝔍剂处理是控制水(shui)(shui)稻(dao)(dao)(dao)种(zhong)(zhong)传病(bing)害最经(jing)济有效(xiao)的(de)措施,为此(ci)希望(wang)各街镇及广大(da)种(zhong)(zhong)植(zhi)户引起高(gao)度重(zhong)视(shi),认真做好(hao)🔯水(shui)(shui)稻(dao)(dao)(dao)种(zhong)(zhong)子处理工作,为今(jin)(jin)年水(shui)(shui)稻(dao)(dao)(dao)高(gao)产丰收(shou)打下(xia)良(liang)好(hao)的(de)基础。具体技术要求如下(xia):
一、晒种选种
播前选(xuan)(xuan)晴好(hao)天(tian)(tian)气晒种(zhong)1~2天(tian)(tian),并精选(xuan)(xuan𒆙)种(zhong)子,除去秕粒(li)病粒(li)、减少(shao)菌源(yuan),以提高种(zhong)子的(de)发芽势,增强(qiang)秧苗(miao)抗病能(neng)力(li)。
二、药液工作(zuo)空气(qi)消毒(du)技巧
1、净化处理措施:
每4kg稻种(zhong)(zhong)(亩用(yong)种(zhong)(zhong)量(liang))用(yong)浸(jin)种(zhong)(zhong)药🍃(yao)剂9ml,采用(yong)二次稀(xi)释(shi)法,先加少量(liang)水调成浆糊(hu)状,然后再加清水6kg稀(xi)释(shi),配(pei)成药(yao)液。将选过的稻种(zhong)(zhong)4kg(亩用(yong)种(zhong)(zhong)量(liang))浸(jin)入配(pei)成的药(yao)液中搅拌均匀,以(yi)药(yao)液高(gao)出(chu)种(zhong)(zhong)子2-3cm为宜。🌺(若稻种(zhong)(zhong)数量(liang)多可按上(shang)述相(xiang)应比例配(pei)制)
2、浸种(zhong)时(shi🐼)间(jian):日平均气温低(di)于20℃,浸种(zhong)时(shi)间(jian)应为60小时(shi),20℃以上,浸种(zhong)时(shi)间(jian)应在48小时(shi)左右,具体根据气温变化掌握好时(shi)间(jian),但浸足时(shi)间(jian)是保证药效的关键。
三、注意力细节
1、浸(jin)种(zhong)容器类用(yong)加盖,并放(fang)置在阴暗处(chu)背光处(chu)。严停用(yong)蛇皮袋就(jiu)(jiu)之间(jian)浸(jin)种(zhong),进(jin)而(er)关系成果。稻种(zhong)清洁后不还要干(🌟gan)净的水冲(chong)冼(xian),可(ke)就(jiu)(jiu)之间(jian)沥干(gan)催(cui)芽下种(zhong)。
2、药物制剂净化处(chu)理过的种子视频,勿(wu)与粮食、饲🍸(sꦐi)草(cao)摆到在一块,不了喂料禽(qin)畜(chu),更不了是用来(lai)处(chu)理饲(si)草(cao)或食品类。
3、使用后应𒀰以免(mian🍷)药(yao)液(ye)等进(jin)行(xing)进(jin)行(xing)室内鱼池、虾塘等渔业养殖户的去处,以免(mian)构成鱼、虾、蟹阵亡。
4、化肥(fei)包(bao)裝废(fei)品物(wu)只💎能随性丟掉🧔(diao)或自动治理,立刻(ke)交还(hai)各部化肥(fei)包(bao)裝废(fei)品物(wu)二手(shou)回收点。
浸种制剂木种等详请咨询了解。场地值保政府部门。