水(shui)(shui)稻(dao)(dao)(dao)(dao)恶苗病是我(wo)区(qu)水(shui)(shui)稻(dao)(dao)(dao)(dao)上最(zui)(zui)主要(yao)的种(zhong)(zhong)(zhong)传(chuan)病害,由区(qu)农技(ji)中心抽样送检经市农技(ji)中心检测,今(jin)年(nian)我(wo)区(qu)水(shui)(shui)稻(dao)(dao)(dao)(dao)主要(yao)种(zhong)(zhong)(zhong)植品种(zhong)(zhong)(zhong)稻(dao)(dao)(dao)(dao)种(zhong)(zhong)(zhong)恶苗病平(ping)均带菌率为(wei)3.6%,最(zui)(zui)高(gao)8%,带菌率较去年(nian)略低(di)。但鉴于(yu)去年(nian)田间发病普遍,今(jin)年(nian)恶苗病仍存在较大(da)流行风险。稻(dao)(dao)(dao)(dao)种(zhong)(zhong)(zhong)药剂(ji)处(chu)理(li)(li)是控制水(shui)(shui)稻(dao)(dao)(dao)(dao)种(zhong)(zhong)(zhong)传(chuan)病害最(zui)(zui)经济有效的措施,为(wei)此(ci)希望(wang)各(ge)街镇及广大(da)种(zhong)(zhong)(zhong)植户(hu)引起(qi)高(gao)度重视,认(ren)真做(zuo)好水(shui)(shui)稻(dao)(dao)(dao)(dao)种(zhong)(zhong)(zhong)子处(chu)理(li)(li)✱工(gong)作(zuo),为(wei)今(jin)年(nian)水(shui)(shui)稻(dao)(dao)(dao)(dao)高(gao)产丰收打下良(liang)好的基础。具体(ti)技(ji)术要(yao)求如下:
一、晒种选种
播前选晴(qing)好(hao)天(tian)气晒种1~2天(tian),并精(jing)选种子,除(chu)去秕(bi)粒病(bing)粒、减少菌🌼源,以提高种子的发(fa)芽势,增强秧苗(miao)抗病(bing)能力。
二、解毒(du)药处理消毒(du)液高技术(shu)
1、治疗的方式:
每4kg稻种(zhong)(zhong)(zhong)(෴亩(mu)用(yong)(yong)种(zhong)(zhong)(zhong)量(liang))用(yong)(yong)浸(jin)(jin)种(zhong)(zhong)(zhong)药(yao)剂9ml,采用(yong)(yong)二(er)次稀释法,先加少量(liang)水(shui)调成(cheng)浆糊状,然后再加清水(shui)6kg稀释,配成(cheng)药(yao)液。将选过(guo)的稻种(zhong)(zhong)(zhong)4kg(亩(mu)用(yong)(yong)种(zhong)(zhong)(zhong)量(liang))浸(jin)(jin)入配ಞ成(cheng)的药(yao)液中搅拌均匀,以(yi)药(yao)液高(gao)出种(zhong)(zhong)(zhong)子2-3cm为(wei)宜。(若稻种(zhong)(zhong)(zhong)数(shu)量(liang)多可按上述相应比例(li)配制)
2、浸种(zhong)时(shi)间(jian)(jian):日(ri)平均气温低(di)于20℃,浸种(zhong)时(shi)间(jian)(jian)应(ying🅰)为60小时(shi),20℃以上,浸种(zhong)时(shi)间(jian)(jian)应(ying)在48小时(shi)左右(♛you),具体根(gen)据(ju)气温变化掌握好时(shi)间(jian)(jian),但浸足时(shi)间(jian)(jian)是保证药效的关键。
三、特别留意(yi)法定程序(xu)
1、浸种(zhong)容器等要(yao)加盖,并放置阴𝔍暗处背光处。严禁止使用蛇皮(pi)袋(dai)可(ke)以(yi)浸种(zhong),以(yi)避免(mian)后(hou)果(guo)实(shi)际效果(guo)。稻种(zh💙ong)杀菌消毒(du)后(hou)不必须 冷水冲冼(xian),可(ke)可(ke)以(yi)沥干(gan)催(cui)芽采(cai)收。
2、除甲醛药(yao)剂外理过的种子bt,勿与(yu)水果、猪(zhu)伺(si)料摆放在(zai)同时(shi),不容许喂食禽畜,更不容许用于生产(chan)猪(zhu)伺(si)料或食品厂🐽。
3、使用药物后(hou)应避(bi)开药液等(🐠deng)马上倾倒(dao)垃圾养鱼塘(tang)、虾塘(tang)等(deng)海产品生态(tai)养殖(zhi)的方(fang)面,避(bi🥃)开形成鱼、虾、蟹死。
4、农约封(feng)装废(fei)物物不(buꦍ)(bu)可随性放弃或立刻加工(gong),不(bu)(bu)能交还各个农约封(feng)装废(fei)物物收(shou)废(fei)点。
浸种血药明细等详请资讯当地城市植物保护部。