水(shui)(shui)(shui)稻(dao)(dao)(dao)恶(e)苗病是(shi)我(wo)区水(shui)(shui)(shui)稻(dao)(dao)(dao)上最(zui)主要(yao)的种(zhong)(zhong)(zhong)传病害,由区农技中心抽样送(song)检经市农技中心检测,今年我(wo)区水(shui)ꦿ(shui)(shui)稻(dao)(dao)(dao)主要(yao)种(zhong)(zhong)(zhong)植品种(zhong)(zhong)(zhong)稻(dao)(dao)(dao)种(zhong)(zhong)(zhong)恶(e)苗病平均(jun)带菌(jun)率为(wei)3.6%,最(zui)高(gao)8%,带菌(jun)率较去年略低。但鉴于去年田间发病普遍,今年恶(e)苗病仍存在较大流(liu)行风险(xian)。稻(dao)(dao)(dao)种(zhong)(zhong)(zhong)药剂处理是(shi)控制水(shui)(shui)(shui)稻(dao)(dao)(dao)种(zhong)(zhong)(zhong)传病害最(zui)经济有效的措(cuo)施,为(wei)此希望各(ge)街镇及广大种(zhong)(zhong)(zhong)植户引起高(gao)度重视,认真(zhen)做(zuo)好(hao)水(shui)(shui)(shui)稻(dao)(dao)(dao)种(zhong)(zhong)(zhong)子处理工作,为(wei)今年水(shui)(shui)(shui)稻(dao)(dao)(dao)高(gao)产丰收(shou)打(da)下良好(hao)的基础。具体(ti)技术要(yao)求如下:
一、晒种选种
播前选晴(qing)好天气(qi🤡)晒种(zhong)1~2天,并精选种(zhong)子,除去秕粒(li)病粒(li)、减少菌源,以提高(gao)种(zhong)子的发(fa)芽势,增强(qiang☂)秧苗抗病能力(li)。
二、的药剂工作酒精(jing)消毒新(xin)技术
1、加工处理策略:
每4kg稻(dao)种(zhong)(zhong)(亩(mu)用(yong)种(zhong)🍎(zhong)量(liang)(liang))用(yong)浸种(zhong)(zhong)药(yao)(yao)剂(ji)9ml,采用(yong)二次(ci)稀(xi)释法,先加(jia)少量(liang)(liang)水调成(cheng)浆糊状,然后再加(jia)清水6kg稀(xi)释,配(pei)成(cheng)药(yao)(yao)液。将选过的稻(dao)种(zhong)(zhong)4kg(亩(mu)用(yong)种(zhong)(zhong)量(liang)(liang))浸入(ru)配(pei)成(cheng)的药(yao)(yao)液中搅拌(ban)均匀,以药(yao)(yao)液高出种(zhong)(zhong)子2-3cm为(wei)宜。(若稻(dao)种(zhong)(zhong)数(shu)量(liang)(liang)多(duo)可按(an)上述相应比例配(pei)制(zhi))
2、浸(jin)种(zhong)时(shi)(shi)间(jian)(jian):日平均(jun)气温🐼低于20℃,浸(jin)种(zhong)时(shi)(shi)间(jian)(jian)应为60小(xiao)时(shi)(shi),20℃以(yi)上(shang),浸(jin)种(zhong)时(shi)(shi)间(jian)(jian)应在48小(xiao)时(shi)(shi)左右,具体(ti)根据气温变化(hua)掌握(wo)好时(shi)(shi)间(jian)(jian),但浸(jin)足时(shi)(shi)间(jian)(jian)是保证(zheng)药效(xiao)的关键。
三、考虑事情
1、浸(jin)种储罐用加盖(gai),并置入阴(yin)(yin)暗(an)处阴(♏yin)(yin)凉处。严(yan)阻(zu)止蛇皮袋就(jiu)直(zhi)接(jie)性浸(jin)种,免(mian)受影晌目的(de)。稻(dao)种空气消毒后不必须 盐(yan)水冲冼,可就(jiu)直(zhi)接(jie)性☂沥干催芽采收。
2、化剂治(zhi)疗过的迅(xun)雷(lei)链接,勿(wu)与粮(liang)食(shi)、精猪饲(si)料(liao)(liao)放入我们一(yi)起(qi),允许(xu)喂ꦗ养禽畜(chu),更允许(xu)当做精加(jia)工精猪饲(si)料(liao)(liao)或食(shi)品类。
3、择药后应尽量不要(yao)药液等(deng)之间排♎进养(yang)鱼塘(tang)、虾塘(tang)等(deng)水产(chan)(chan)海产(chan)(chan)品生态养(yang)殖的地点,尽量不要(yao)引发鱼、虾🐓、蟹消(xiao)亡。
4、农约(yueജ)礼品盒废(fei)(fei)料物允许肆意扔掉或(huo)擅自加工,及时性交(jiao)给(ji)地方党委农约𝓀(yue)礼品盒废(fei)(fei)料物利(li)用点。
浸种去除剂的计量新品种等详请网络咨询本市植物保护机构。