水(shui)稻(dao)(dao)恶苗(miao)病(bing)(bing)是(shi)我(wo)区(qu)水(shui)稻(dao)(dao)上(shang)最(zui)(zui)主要的种(zhong)(zhong)(zhong)传病(bing)(bing)害(hai),由区(qu)农(nong)技中(zhong)心(xin)(xin)抽样(yang)送检(jian)(jian)经(jing)市农(nong)技中(zhong)心(xin)(xin)检(jian)(jian)测,今(jin)年(nian)(nian)(nian)我(wo)区(qu)水(shui)稻(dao)(dao)主要种(zhong)(zhong)(zhong)植品种(zhong)(zhong)(zhong)稻(dao)(dao)种(zhong)(zhong)(zhong)恶苗(miao)病(bing)(bing)平均带菌率为(wei)3.6%,最(zui)(zui)高8%,带菌率较去年(nian)(nian)(nian)略(lve)低。但鉴于去年(nian)(nian)(nian)田(tian)间(jian)发病(bing)(bing)普遍(bian),今(jin)年(nian)(nian)(nian)恶苗(miao)病(bing)(bing)仍存(cun)在较大(da)流行风(feng)险(xian)。稻(dao)(dao)种(zhong)(zhong)(zhong)药(yao)剂处理是(shi)控制(zhi)水(shui)稻(dao)(dao)种(zhong)(zhong)(zhong)传病(bing)(bing)害(hai)最(zui)(zui)经(jing)济有效的措施,为(wei)此希(xi)望各街(jie)镇及广大(da)种(zhong)(zhong)(zhong)植户引起高度重(zhong)视,认真做(🤪zuo)好水(shui)稻(dao)(dao)种(zhong)(zhong)(zhong)子处理工作,为(wei)今(jin)年(nian)(nian)(nian)水(shui)稻(dao)(dao)高产丰(feng)收打(da)下良好的基础。具体技术要求如下:
一、晒种选种
播前选晴好天(tian)气晒(shai)种1~2天(tian),并精选种子💝(zi),除去(qu)秕粒病粒、减少菌(jun)源,以提(ti)高种子(zi)的发(fa)芽势,增强秧苗抗(kang)病能力。
二(er)、制剂处理清洁(jie)技木
1、治理手段:
每4kg稻种(zhong)(亩(mu)用种(zhong)量)用浸种(zhong)药(yao)(yao)剂9ml,采用二次稀(xi)释(shi)法,先加(jia)少(shao)量水(shui)(shui)调成浆糊状,然后(hou)再加(jia)清水(shui)(shui)6kg稀(xi)释(shi),配(pei)成药(yao)(yao)液(ye)。将选过的稻种(zhong)4kg(亩(mu)用种(zhong)量)浸入配(pei)成的药(yao)(yao)液(ye)中🥂搅(jiao)拌均匀(yun),以(yi)药(yao)(yao)液(ye)高出种(zhong)子2-3cm为宜(yi)。(若稻种(zhong)数量多可(ke)按(an)上述ꦛ相应比例配(pei)制)
2、浸种(zh🎃ong)时(shi)(shi)间(jian)(jian):日平均气温低于(yu)20℃,浸种(zhong)时(shi)(shi)间(jian)(jian)应(ying)为60小(xiao)时(shi)(shi),20℃以上(shang),浸种(zhong)时(shi)(shi)间(jian)(jian)应(ying)꧃在48小(xiao)时(shi)(shi)左右(you),具体根据气温变化掌(zhang)握好时(shi)(shi)间(jian)(jian),但浸足时(shi)(shi)间(jian)(jian)是保证(zheng)药效的关键。
三、小心作用
1、浸种(zhong)(zhong)贮槽(cao)用(yong)加盖,并置放(fang)阴冷阴凉处。严阻止(zhi)蛇皮(pi)袋直观浸种(zhong)(zhong),防止(💫zhi)会直接影响使(shi)用(yong)效(xiao)果。稻种(zhong)(zhong)进(jin)行消毒后不要求凉水冲冼(xian),可直观沥干催(cui)芽载种(zhong)(z♒hong)。
2、除甲(jia)醛药(yao)剂处置(zhi)过的种子视频下载,勿与美食、预混料置﷽(zhi)于一并(bing),不可喂(wei)饲禽畜(chu),更不可中用加工工艺(yi)预混料或食品加工。
3、用(yong)药(yao)指导后(hou)应(ying)以免(mian) 药(yao)液等马上污水排放鱼池、虾塘等海产品养(yanᩚᩚᩚᩚᩚᩚᩚᩚᩚ𒀱ᩚᩚᩚg)殖场的问题,以免(miꦅan) 有鱼、虾、蟹死(si)忙。
4、农(nong)(nไong)药杀(sha)(sha)菌剂杀(sha)(sha)菌剂木(mu)箱垃圾(ji)物禁止(zhi)私自丢去(qu)或私自处理(li),当即归还(hai)各项农(nong)(nong)药杀(sha)(sha)菌剂杀(sha)(sha)菌剂木(mu)箱垃圾(ji)物收回点。
浸种化剂平种等详请了解和咨询立即值保行政部门。