水稻恶(e)(e)苗(miao)病(bing)是我区水稻上最主(zhu)要的种(zhong)(zhong)(zhong)传病(bing)害(hai),由(you)区农技中(zhong)心抽样(yang)送检经(jing)市农技中(zhong)心检测,今年(nian)(nian)我区水稻主(zhu)要种(zhong)(zhong)(zhong)植(zhi)品种(zhong)(zhong)(zhong)稻种(zhong)(zhong)(zhong)恶(e)(e)苗(miao)病(bing)平(ping)均带菌率为3.6%,最高(gao)8%,带菌率较(jiao)(jiao)去年(nian)(nian)略(lve)低。但(dan)鉴于去年(nian)(nian)田间发病(bing)普遍,今年(nian)(nian)恶(e)(e)苗(miao)病(bing)仍存在较(jiao)(jiao)大流行(xing)风险(xian)。稻种(zhong)(zhong)(zhong)药剂处理是控(kong)制水稻种(zhong)(zhong)(zhong)传病(bing)害(hai)最经(jing)济有效(xiao)的措施,为此希(xi)望(wang)各街(jie)镇及广(guang)大种(zhong)(zhong)(zhong)植(zhi)户引起(qi)高(gao)度重(zhong)视(shi),认(ren)真(zhen)做好水稻种ꦕ(zhong)(zhong)(zhong)子(zi)处理工作,为今年(nian)(nian)水稻高(gao)产丰收打下良好的基础。具体技术要求如下:
一、晒种选种
播前选晴(qing)好天(tian)气晒种(zhong)1~2天(tiaౠn),并精选种(zhong)子(zi),除去秕(bi)粒(li)病(bing)粒(li)、减少菌源,以提高种(zhong)子(zi)的发芽势(shi),增强秧苗抗病(bing)能力。
二、除甲醛(quan)药剂办(ban)理杀菌消(xiao)毒新(xin)技术
1、处置措施:
每4kg稻(dao)种(zhong)(zhong)(亩用(yong)种(zhong)(zhong)量(liang))用(yong)浸种(zhong)(zhong)药(yao)剂9ml,采用(yong)二(er)次稀释法,先加少(shao)量(liang)水(shui)调成浆糊(hu)状,然(ran)后再加清(qing)水(shui)6kg稀释,配成药(yao)液。将(jiang)选过的(de)稻🥀(dao)种(zhong)(zhong)4kg(亩用(yong)种(zhong)(zhong)量(liang))浸入配成的(de)药(yao)液中搅(jiao)拌均(jun)匀,以药(yao)液高出种(zhong)(zhong)子2-3cm为宜。(若(ruo)稻(dao)种(zhong)(zhong)数(shu)量(liang)多可(ke)按上🐻述(shu)相应比例配制)
2、浸(jin)种(zhong)时间(jian):日平(ping)均气温(wen)(wen)低于20℃,浸(jin)种(zhong)时间(jian)应为60小时,20℃以上,浸(jin)种(zhong)时间(jian)应在48小时左右,具体根据气温(wen)(wen)变化掌握好时间(jian),但浸(jin)足时间(jian)是(shi)保(bao)证药🌞效的关键(jian)💟。
三、目光重大事项
📖1、浸种(zhong)收(shou)纳空间(jian)用加盖,并置入阴冷(leng)背(bei)光(guang)处。严停用蛇皮(pi)袋会会直接浸种(zhong),容易不良(liang)影(ying)响(xiang)治疗效果。稻种(zhong)紫外线(xian)灯消(xiao)毒后不应该温(wen)水(shui)冲冼,可会会直接沥干催芽插种(zhong)。
2、解毒药(yao)净化处理过的(de)种子(zi)选手,勿与蛋白质食(shi)(sh🌌i)物(wu)、词料存放(fang)一♎块,没法(fa)喂料禽畜,更没法(fa)用制造词料或饮食(shi)(shi)。
3、施药(yao)后应防(fang)止(zhi)(zhi)出现(xian)药(yao)液等(deng)直观(guan)流进(jin)渔塘(tang)、虾塘(tang)等(deng)水产海产品养殖(zhi)场的(de)的(de)地方,防(f𒁏ang)止(zhi)(zhi)出现(xian)引致鱼、虾、蟹(xie)身故(gu)。
4、药剂打(da)包(bao)废(fei)൲置(zhi)物(wu)不(bu)可简单(dan)丢去或自己进行(xing)应对,当(dang)即归(gui)还(hai)各级政府药剂打(da)包(bao)废(fei)置(zhi)物(wu)利用点。
浸种血药品系等详请顾问内地植物保护部门。