水(shui)稻(dao)(dao)恶(e)苗病(bing)是我区(qu)水(shui)稻(dao)(dao)上(shang)最主要的(de)种(zhong)传病(bing)害(hai),由区(qu)农(nong)(nong)技(ji)中(zhong)心(xin)抽样送检(jian)(jian)经市农(nong)(nong)技(ji)中(zhong)心(xin)检(jian)(jian)测,今年我区(qu)水(shui)稻(dao)(dao)主要种(zhong)植品种(zhong)稻(dao)(dao)种(zhong)恶(e)苗病(bing)平均带菌(jun)率(lv)为3.6%,最高(gao)8%,带菌(jun)率(lv)较(jiao)去年略低。但鉴于去年田(tian)间发病(bing)普遍(bian),今年恶(e)苗病(bing)仍存(cun)在较(jiao)大流行风险。稻(dao)(dao)种(zhong)药剂处(chu)理是控制水(shui)稻(dao)(dao)种(zh🎃ong)传病(bing)害(hai)最经济有(you)效的(de)措施(shi),为此希望各街镇(zhen)及(ji)广(guang)大种(zhong)植户引起高(gao)度(du)重视,认(ren)真做好水(shui)稻(dao)(dao)种(zhong)子处(chu)理工作,为今年水(shui)稻(dao)(dao)高(gao)产丰收(shou)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(bo)前(qian)选晴好天气晒种1~2天,并(bing)精选种子,除去ᩚᩚᩚᩚᩚᩚᩚᩚᩚ𒀱ᩚᩚᩚ秕粒病粒、减少菌源(yuan),以提(ti)高种子的发(fa)芽势,增强秧苗抗病能力(li)。
二、解毒药净化处理杀菌消(xiao)毒技巧
1、工作步骤:
每4kg稻种(zhong)(zhong)(亩用(yong)(yong)(yong)种(zhong)(zhong)量)用(yong)(yong)(yong)浸种(zhong)(zhong)药剂9ml,采用(yong)(yong)(yong)二次稀(xi)释法,先加(jia)少量水调成浆糊状,然(ran)后再加(jia)清水6kg稀(xi)释,配(pei)(pei)成药液。将选过的(de)稻种(zhong)(zhong)4kg(亩用(yong)(yong)(yong)种(zhong)(zhong)量)浸入配(pei)(pei)成的(de)药液中搅拌(ban)均匀(yun),以药液高出种(zhong)(zhong)子(zi)2-3cm为宜(yi)。(若稻种(zhong)(zhon🐟g)数(shu)量多(duo)可按上述相(xiang)应(ying)比例配(pei)(pei)制)
2、浸种时(shi)(shi)(shi)(shi)间(jian):日平均气(qi)温低(di)于(yu)20℃,浸种时(shi)(shi)(shi)(shi)间(jian)应为(wei)60小(xiao)时(shi)(shi)(shi)(♌shi),20℃以(yi)上,浸种时(shi)(shi)(shi)(shi)间(jian)应在(zai✃)48小(xiao)时(shi)(shi)(shi)(shi)左右,具体根(gen)据气(qi)温变化掌握好时(shi)(shi)(shi)(shi)间(jian),但浸足时(shi)(shi)(shi)(shi)间(jian)是(shi)保证药效(xiao)的(de)关(guan)键。
三、提前准备细节
1、浸种(zhong)贮槽用加盖,并(bing)放置荫凉阴凉处。严禁止使用蛇皮袋简单浸种(zhong),防止引响功🐷效(xiao)。稻种(zhong)消毒液后不必须要 白水冲(chong)冼(xian),可简单沥干(gan)催芽采收。
2、药水操作(💧zuo)过的种子(zi)视(shi)频,勿(wu)与食(shi)物、精(jing)(ji🉐ng)饲料添加(jia)剂存放在共同,不容许喂养禽畜(chu),更不容许来加(jia)工(gong)厂(chang)精(jing)(jing)饲料添加(jia)剂或食(shi)物。
3、治(zhi)疗后应解决药液等(deng)直(zhi)接的直(zhi)排(pai)到养鱼池、虾塘等(de♛ng)水产海(hai)产品养殖业的好地方(fang🐈),解决造鱼、虾、蟹死(si)亡视频(pin)。
4、化൲(hua)肥内(nei)包(bao)装机废旧(jiu)物不能所以抛弃或(huo)立即应(ying)急(ji)处(chu)置,迅速交(jiao)给各级党(dang)委化(hua)肥内(nei)包(bao)装机废旧(jiu)物收购点(dian)。
浸种化学剂的品种等详请服务咨询本土值保个部门。