水(shui)稻(dao)(dao)(dao)恶(e)苗(miao)(miao)病(bing)(bing)是我区(qu)(qu)水(shui)稻(dao)(dao)(dao)上最(zui)主要的(de)种(zhong)(zhong)(zhong)(zhong)传病(bing)(bing)害(hai),由区(qu)(qu)农(nong)技(ji)中(zhong)心抽(chou)样送检(jian)经(jing)市农(nong)技(ji)中(zhong)心检(jian)测,今(jin)年(nian)(nian)我区(qu)(qu)水(shui)稻(dao)(dao)(dao)主要种(zhong)(zhong)(zhong)(zhong)植品种(zhong)(zhong)(zhong)(zhong)稻(dao)(dao)(dao)种(zhong)(zhong)(zhong)(zhong)恶(e)苗(miao)(miao)病(bing)(bing)平均带菌(jun)率为3.6%,最(zui)高8%,带菌(jun)率较去(qu)年(nian)(nian)略低(di)。但(da🎃n)鉴于去(qu)年(nian)(nian)田间(jian)发病(bing)(bing)普遍,今(jin)年(nian)(nian)恶(e)苗(miao)(miao)病(bing)(bing)仍(reng)存(cun)在较大(da)流行风(feng)险。稻(dao)(dao)(dao)种(zhong)(zhong)(zhong)(zhong)药剂处(chu)理(li)是控(kong)制水(shui)稻(dao)(dao)(dao)种(zhong)(zhong)(zhong)(zhong)传病(bing)(bing)害(hai)最(zui)经(jing)济有效的(de)措(cuo)施,为此希望各街镇(zhen)及广大(da)种(zhong)(zhong)(zhong)(zhong)植户引(yin)起(qi)高度重视,认真做(zuo)好水(shui)稻(dao)(dao)(dao)种(zhong)(zhong)(zhong)(zhong)子(zi)处(chu)理(li)工作,为今(jin)年(nian)(nian)水(shui)稻(dao)(dao)(dao)高产丰收打下良(liang)好的(de)基础。具(ju)体技(ji)术要求如下:
一、晒种选种
播前选(xuan)(🌟xuan)晴好天气晒种(zhong)1~2天,并精选(xuan)(xuan)种(zhong)子(zi),除去(qu)秕(bi)粒(li)病(bing)(bing)粒(li)、减少菌(jun)源,以(yi)提(ti)高种(zhong)子(zi)的发(fa)芽势,增(zeng)强秧苗抗病(bing)(b🌳ing)能力(li)。
二、化学剂正(zheng)确处理酒精消毒方法(fa)
1、加工处理技术:
每4kg稻种(zhong)(zhong)(亩(mu)用(yong)种(zhong)(zhong)量(liang))用(yong)浸种(zhong)(zhong)药剂9ml,采用(yong)二𒊎次稀释(shi)法,先加(jia)(jia)少量(liang)水调成浆(jiang)糊状,然后(hou)再加(jia)(jia)清(qing)水6kg稀释(shi),配成药液。将选过的稻种(🤡zhong)(zhong)4kg(亩(mu)用(yong)种(zhong)(zhong)量(liang))浸入配成的药液中搅拌均匀,以药液高出种(zhong)(zhong)子2-3cm为(wei)宜。(若稻种(zhong)(zhong)数量(liang)多可按(an)上述相应比例配制)
2、浸种时间(jian)(jian)(jian):日平均气(qi)(qi)温(wen)低于20℃,浸种时间(jian)(jian)(jian)应为60小(xiao)时,20℃以上,浸种时间(jian)(jian)(jian)应在48小(xiao)时左右,具(ju)体(ti)根据气(𒊎qi)(qi)温(wen)变化(hua)掌握好时间(jian)(jian)(ji𝔍an),但浸足时间(jian)(jian)(jian)是保证药效的关(guan)键(jian)。
三(san)、注意方(fang)式💮(shi)方(fang)法(fa)💝方(fang)式(shi)方(fang)法(fa)
1、浸(jin)种(zhong)场所要求(qiu)加盖(gai),并移至背(bei)阴背(bei)光ꦏ处。严停止(zhi)(zhi)使用蛇皮(pi)袋之(zhi)间(jian)浸(jin)种(zhong),防止(zhi)(zhi)不良影(ying)响(xiang)感觉。稻种(zhong)空气消毒后不要求(qiu)白水冲(chong)冼,可之(zhi)间(jian)沥干催♐芽(ya)采收(shou)。
2、血药除理过的原材料,勿与水果、猪伺料投入在一(yi)起💝,不应(ying)喂食禽畜,更不应(༒ying)可以加(jia)工(gong)生产猪伺料或美食。
3、使用后应规(gui)避药(yao)液等(deng)随(sui)便直排到鱼池ℱ、虾塘等(deng)水产(chan)海产(chan)品🐎养殖场的区(qu)域,规(gui)避会造成鱼、虾、蟹(xie)致死。
4、药剂包装(zhuang)袋盒废(fei)品物不✱可自由(you)选择丢掉或尽快处治,尽快交还各(ge)个(ge)等(deng)级(ji)药剂包装(zhua🍸ng)袋盒废(fei)品物收(shou)购(gou)点。
浸种解毒药茶叶品类等详请资询本地值保监管部门。