水(shui)稻(dao)(dao)恶(e)苗病(bing)是我(wo)区水(shui)稻(dao)(dao)上最(zui)主(zhu)要的种(zhong)(zhong)(zhong)(zhong)(zhong)传病(bing)害,由区农技(ji)中心抽样送(song)检(jian)(jian)经(jing)市(shi)农技(ji)中心检(jian)(jian)测,今(jin)(jin)年(nian)(nian)我(wo)区水(shui)稻(dao)(dao)主(zhu)要种(zhong🌞)(zhong)(zhong)(zhong)(zhong)植(zhi)品种(zhong)(zhong)(zhong)(zhong)(zhong)稻(dao)(dao)种(zhong)(zhong)(zhong)(zhong)(zhong)恶(e)苗病(bing)平均带菌(jun)率为3.6%,最(zui)高(gao)8%,带菌(jun)率较(jiao)去年(nian)(nian)略低(di)。但鉴(jian)于去年(nian)(nian)田间发病(bing)普遍,今(jin)(jin)年𓆏(nian)(nian)恶(e)苗病(bing)仍存在较(jiao)大流行(xing)风(feng)险(xian)。稻(dao)(dao)种(zhong)(zhong)(zhong)(zhong)(zhong)药剂处理是控制水(shui)稻(dao)(dao)种(zhong)(zhong)(zhong)(zhong)(zhong)传病(bing)害最(zui)经(jing)济有(you)效(xiao)的措施,为此希望各街镇(zhen)及广大种(zhong)(zhong)(zhong)(zhong)(zhong)植(zhi)户引起高(gao)度(du)重视,认真做好水(shui)稻(dao)(dao)种(zhong)(zhong)(zhong)(zhong)(zhong)子处理工作,为今(jin)(jin)年(nian)(nian)水(shui)稻(dao)(dao)高(gao)产丰收打下良好的基础。具(ju)体技(ji)术(shu)要求如下:
一、晒种选种
播前选晴(qing)好(hao)天气晒种1~2天,并精(jing)选种子,除去(qu)秕(bi)粒病(ꦬbing)粒、减少菌源(yuan),以提高(gao)种子的(de)发(fa)芽势(shi),增强秧苗抗病(bing)能力(li)。
二、药品(pin)处理消毒剂技术水平
1、加工措施:
每4kg稻种(zhong)(亩用(yong)种(zhong)量(liang))用(yong)浸(jin)种(zhong)药(yao)剂(ji)9ml,采用(yong)二次稀(xi)释(shi)法,先加少(shao)量(liang)水(shui)调成(cheng)浆糊状,然(ran)后再加清水(shui)6kg稀(xi)释(shi),配成(cheng)药(yao)液。将选(xuan)过的稻种(zhong)4kg(亩用(yong)种(zhong)量(liang))浸(jin)入配成(cheng)的药(yao)液中搅拌♍均匀,以药(yao)液高出种(zhong)子2-3cm为宜。(若(ruo)稻种(zhong)数量(liang)多可按(an)上(shang)述相应比(bi)例配制(zhi))
2、浸种时(shi)间(jian):日平均(ju🍃n)气温低于20℃,浸种时(shi)间(jian)应为(wei)60小时(shi),20℃以上(shang),浸种时(shi)间(jian)应在48小时(shi)ꦯ左右,具体根据气温变化掌握(wo)好时(shi)间(jian),但浸足时(shi)间(jian)是保证药(yao)效(xiao)的关键。
三、主要议题
1、浸种(zhong)(zhong)容器(qi)设计(ji)要加盖(gai),并(bing)至(zhi)于阴凉处遮光处。严关闭蛇皮袋(dai)可以💝浸种(zhong)(zhong),否(fou)则影响力使用效果。稻种(zhong)(zhong)紫外(wai)线灯消毒后(hou)不要求(qiu)用水冲冼(xian),可可以沥干催芽载种(zhong)(zhong)。
2、血(xu🅘e)药除理过的(de)種子,勿与饮(yin)品、牛饲(si)草摆到我们(men)一起,不(bu)(bu)宜喂饲(si)禽畜,更不(bu)(bu)宜时(shi)用(yong)生(sheng)产制作(zuo)牛饲(si)草或(huo)调味(wei)品。
3、服药后应尽量避(🌃bi)开(kai)药液等一直(zhi)直(zhi)排养鱼塘、虾塘等水产品养殖场的城市,🔥尽量避(bi)开(kai)导致鱼、虾、蟹身(shen)亡。
4、除草剂(ji)🍸杀(sha)(sha)菌(jun)(jun)剂(ji)设计(ji)废(fei)(fei)物(wu)物(wu)没法肆意抛弃(qi)或进(jin)行(xing)救(jiu)治,快速归还各个除草剂(ji)杀(sha)(sha)菌(jun)(jun)剂(ji)设计(ji)废(fei)(fei)物(wu)物(wu)回收公司点。
浸种解毒药品类等详请了解和咨询立即飞防部门管理。