水(shui)稻(dao)(dao)恶(e)(e)苗(miao)病(bing)(bing)是我区水(shui)稻(dao)(dao)上最主要(yao)的(de)种(zhong)(zhong)(zhong)(zhong)传病(bing)(bing)害,由区农(nong)技中心抽(♌chou)样送检经市农(nong)技中心检测,今(jin)年(nian)(nian)我区水(shui)稻(dao)(dao)主要(yao)种(zhong)(zhong)(zhong)(zhong)植品(pin)种(zhong)(zhong)(zhong)(zhong)稻(dao)(dao)种(zhong)(zhong)(zhong)(zhong)恶(e)(e)苗(miao)病(bing)(bing)平均(jun)带菌率为(wei)(wei)3.6%,最高8%,带菌率较(jiao)(jiao)去(qu)年(nian)(nian)略低。但鉴于去(qu)年(nian)(nian)田间发(fa)病(bing)(bing)普遍,今(jin)年(nian)(nian)恶(e)(e)苗(miao)病(bing)(bing)仍(reng)存(cun)在较(jiao)(jiao)大(da)流行风险(xian)。稻(dao)(dao)种(zhong)(zhong)(zhong)(zhong)药剂处(chu)理是控制水(shui)稻(dao)(dao)种(zhong)(zhong)(zhong)(zhong)传病(bing)(bing)害最经济有效的(de)措施,为(wei)(wei)此希望各街镇及广大(da)种(zhong)(zhong)(zhong)(zhong)植户引起高度重(zhong)视,认真做好(hao)水(shui)稻(dao)(dao)种(zhong)(zhong)(zhong)(zhong)子(zi)处(chu)理工(gong)作(zuo),为(wei)(wei)今(jin)年(nian)(nian)水(shui)稻(dao)(dao)高产丰收(shou)打下良(liang)好(hao)的(de)基础。具体技术要(yao)求(qiu)如下:
一、晒种选种
播前选晴好(hao)天气晒(shai)种1~2天,并精选种子,除去秕粒病粒、减(jian)少菌源,以提(ti)高种子的发芽势,增强秧(yang)苗抗(kang)病能(neng)🐟力。
二、解毒(du)药治(zhi)疗灭菌水平
1、整理办法:
每4kgꦿ稻(dao)种(亩用种量(liang))用浸种药(yao)剂9ml,采用二次稀释(shi)法,先加(jia)少量(liang)水调成浆糊状,然后再加(jia)清水6kg稀释(shi),配成药(yao)液(ye)。将选过的稻(dao)种4kg(亩用种量(liang))浸入配成的药(yao)液(ye)中搅拌均匀,以药(yao)液(ye)高出种子(zi)2-3cm为宜。(若稻(dao)种数量(liang)多可按上述(shu)相应(ying)比例配制)
2、浸种(zhong)(zhong)时间(jian)(jian):日平均(jun)气(qi)温(wen)低于20℃,浸种(zhong)(zhong)时间(jian)(jian)🌠应为60小时,20🌱℃以(yi)上,浸种(zhong)(zhong)时间(jian)(jian)应在48小时左右,具体根据气(qi)温(wen)变化(hua)掌(zhang)握好时间(jian)(jian),但浸足时间(jian)(jian)是保证药效的关键。
三、重视法定程序
1、浸种(zhong)容器(qi)类都(dou)要加盖,并放(fang)于背阴背光处。严不可用蛇𒀰(she)皮袋直(zhi)观(guan)浸种(zhong),为了(le)避免(mian)的影响使用效果。稻种(zhong)清洁(jie)后不都(dou)要凉(liang)水冲冼,可直(zhi)观(guan)沥(li)干催芽(ya)载(zai)种(zhong)。
2、中(zhong)和剂(ji)补(bu)救过的(de)种籽,勿与食用(yong)、牛(niu)词ꩲ料放到在一块,只(zhi)能喂养(yang)禽畜,更只(zhi)能用(yong)做(zuo)加(jia)工(gong)处理牛(niu)词料或饮食。
3、用药(yao)指导后应规避(bi)(bi)药(yao)液等会直接流(liu)进鱼池、虾塘等水产业种植🍃的地区,规避(b🅺i)(bi)致使鱼、虾、蟹消亡。
4、农约(yue)纸盒(he)包装设(she𒆙)计(ji)舍(she)弃(qi)物只能(neng)随(sui)心所欲舍(she)弃(qi)或自动正确处理(li),及早交还各级政府农约(yue)纸盒(he)包装设(she)计(ji)舍(she)弃(qi)物回报点。
浸种血药产品种类等详请资询本地人值保部们。