水(shui)(shui)(shui)(shui)稻(dao)恶苗(miao)病是我区水(shui)(shui)(shui)(shui)稻(dao)上最(zui)主(zhu)要的种(zhong)(zhong)(zhong)传(chuan)(chuan)病害(hai),由区农(nong)(nong)技中心(xin)抽(chou)样送检经(jing)市农(nong)(nong)技中心(xin)检测(ce),今年我区水(shui)(shui)(shui)(shui)稻(dao)主(zhu)要种(zhong)(zhong)(zhong)植品种(zhong)(zhong)(zhong)稻(dao)种(zhong)(zhong)(zhong)恶苗(miao)病平均带(dai)菌率(lv)(lv)为(wei)3.6%,最(zui)高8%,带(dai)菌率(lv)(lv)较去(qu)年略低(di)。但鉴于去(qu)年田(tian)间发病普遍,今年恶苗(miao)病仍存在(zai)较大流(liu)行风险(xian)。稻(dao)种(zhong)(zhong)(zhong)药剂处理(li)是控制水(shui)(shui)(shui)(shui)稻(dao)种(zhong)(zhong)(zhong)传(chuan)(chuan)病害(hai)最(zui)经(jing)济有效的措施(shi),为(wei)此希望各(ge)街镇及(j🍸i)广大种(zhong)(zhong)(zhong)植户(hu)引起高度(du)重视,认真做好水(shui)(shui)(shui)(shui)稻(dao)种(zhong)(zhong)(zhong)子处理(li)工作,为(wei)今年水(shui)(shui)(shui)(shui)稻(dao)高产丰收打下(xia)良好的基础。具体技术要求如下(xia):
一、晒种选种
播前选(xuan)晴好天(tian)气ꦺ晒种1~2天(tian),并(bing)精选(xuan)种子(zi)(zi),除去秕粒病粒、减少菌源,以提高(gao)种子(zi)(zi)的发(fa)芽势,增强秧(yang)苗(miao)抗病能力。
二、制剂外理消毒剂技术性
1、清理办法:
每4kg稻种(zhong)(亩(mu)用(yong)(yong)种(z🥀hong)量(liang))用(yong)(yong)浸种(zhong)药剂9ml,采用(yong)(yong)二次稀释法,先(xi💝an)加(jia)少量(liang)水调成(cheng)(cheng)浆糊状(zhuang),然后(hou)再加(jia)清水6kg稀释,配(pei)成(cheng)(cheng)药液。将选过的稻种(zhong)4kg(亩(mu)用(yong)(yong)种(zhong)量(liang))浸入配(pei)成(cheng)(cheng)的药液中搅拌(ban)均(jun)匀(yun),以药液高出种(zhong)子2-3cm为宜。(若稻种(zhong)数量(liang)多可按上述相应比例(li)配(pei)制(zhi))
2、浸(jin)种(ౠzhong)时(shi)间(jian):日平(ping)均气温(wen)低于20℃,浸(jin)种(zhong)时(shi)间(jian)应(ying)为60小(xiao)时(shi),20℃以(yi)上(shang),浸(jin)种(zhong)时(shi)间(jian)应(ying)在48小(xiao)时(shi)左右(you),具体根(gen)据气温(wen)变化掌握好(hao)时(shi)间(jian),但浸(jin)足时(shi)间(jian)是保证药效的(de)关(guan)键。
三(san)、特别注(zhu)意方式(shi)方法
1、浸(jin)种(zhong)(zhong)贮罐用加盖(gai),并放入(𓄧ru)荫凉遮光处。严停止使用蛇皮袋直(zhi)观浸(jin)种(zhong)(zhong),以(yi)防(fang)决定特(te)效。稻种(zhong)(zhong)清洗后不可以(yi)江水冲(chong)冼,可直(zhi)观沥(li)干催芽(ya)施肥。
2、药水ꦫ清理过的迅雷链接(jie),勿与食材、祠料添加剂(ji)摆到一🌼件,不许(xu)喂(wei)食禽畜,更不许(xu)用做加工厂祠料添加剂(ji)或食品饮料。
3、联合用(yong)药后应预(yu)防(fang)药液等(deng)真接直排到(dao)渔塘、虾(xia)塘等(deng)水产海产品(pin)生态💛养殖的(de)城市(shi),预(yu)防(fang)带来鱼、虾(xia)、蟹(xi𒊎e)死(si)。
4、化肥包裝生(sheng🎃)活(huo)垃圾(ji)物(wu)不可简单丢掉或随时处理,随时交给地方党委(wei)化肥包裝生(sheng)活(huo)垃圾(ji)物(wu)收(shou)回点。
浸种药液新品种等详请管理咨询当地人值保行政部门。