水(shui)稻(dao)恶(e)(e)苗病(bing)(bing)是(shi)(shi)我(wo)区(qu)(qu)(qu)水(shui)稻(dao)上最(zui)主(zhu)要(yao)的种(zhong)(zhong)(zhong)传(chuan)(chuan)病(bing)(bing)害,由区(qu)(qu)(qu)农技中(zhong)心抽样送检经市农技中(zhong)心检测,今(jin)年我(wo)区(qu)(qu)(qu)水(shui)稻(dao)主(zhu)要(yao)种(zhong)(zhong)(zhong)植(zhi)品种(z❀hong)(zhong)(zhong)稻(dao)种(zhong)(zhong)(zhong)恶(e)(e)苗病(bing)(bing)平均带菌(jun)(jun)率为(wei)3.6%,最(zui)高(gao)8%,带菌(jun)(jun)率较(jiao)去年略低。但鉴于去年田间(jian)发病(bing)(bing)普遍,今(jin)年恶(e)(e)苗病(bing)(bing)仍存在(zai)较(jiao)大流行(xing)风险。稻(dao)种(zhong)(zhong)(zhong)药(yao)剂处理是(shi)(shi)控(kong)制(zhi)水(shui)稻(dao)种(zhong)(zhong)(zhong)传(chuan)(chuan)病(bing)(bing)害最(zui)经济有效的措(cuo)施(shi),为(wei)此(ci)希望各(ge)街镇及广大种(zhong)(zhong)(zhong)植(zhi)户引(yin)起高(gao)度重视,认(ren)真做(zuo)好水(shui)稻(dao)种(zhong)(zhong)(zhong)子(zi)处理工(g🦂ong)作(zuo),为(wei)今(jin)年水(shui)稻(dao)高(gao)产丰收打(da)下良(liang)好的基础。具体技术要(yao)求如下:
一、晒种选种
播(bo)前🎉选(xuan)晴好(hao)天气晒种1~2天,并(bing)精(jing)选(xuan)种子(zi),🎃除去(qu)秕粒病(bing)粒、减少菌源,以提高种子(zi)的发芽势,增强秧苗抗病(bing)能力。
二(er)、的(de)🔴药剂(ji)(ji)办理(li)消(xia⛎o)毒剂(ji)(ji)能(neng)力(li)
1、工作方式方法:
每4kg稻种(zhong)(zhong)(zhong)(亩用种(zhong)(zhong)(zhong)量)用浸(jin)种(zhong)(zhong)(zhong)药剂9ml,采用二次稀释(shi)法,先(xian)加(jia)少量水(shui)调成浆(jiang)糊(hu)状,然后再加(jia)清水(shui)6kg稀释(shi),配成药液(ye)。将选(xuan)过的(de)稻种(zhong)(zhong)(zhong)4kg(亩用种(zhong)(zhong)(zhong)量)浸(jin)入配成的(de)药液(ye)中搅拌均匀,🌸以药液(ye)高(gao)出种(zhong)(zhong)(zhong)子2-3cm为🦩宜(yi)。(若稻种(zhong)(zhong)(zhong)数量多可按上述(shu)相应比例(li)配制)
2、浸种时间:日平(ping)均꧑气温低(di)于20℃,浸种时间应为60小时,20℃以上,浸种时间应在48小时左右,具体根据气温变化掌握好时间,但浸足时间是(shi)保(bao)证(zheng)药(yao)效的关(guan)键(jian)。
三、需要注意事宜
1、浸种(zhong)金属罐须得盖,并处෴于阴冷背光处。严禁止蛇皮袋可(ke)以(yi)浸种(zhong),为(wei)了避免作用的效果(guo)。稻种(zhong)杀菌消毒后不须得江水(shu꧙i)冲冼,可(ke)可(ke)以(yi)沥(li)干催芽采收。
2、药(yao)水处(chu)꧋里过的(de)种子(zi)视频,勿与粮食、青猪(zhu)饲料(liao)放置一(yi)起去(qu),允许(xu)喂饲禽畜(chu),更(geng)允许(xu)把(ba)他们(men)拿来(lai)手工(gong)加工(gong)青猪(zhu)饲料(liao)或物品。
3、用(yong)药(yao)治疗后应尽量避(bi)(bi)免(mian)出(chu)(chu)现(xian)药(yao)液等立(li)即污水排放渔(yu)塘、虾塘等渔(yu)业养(yang)殖厂(chang)的部分,尽量避(bi)(bi)免(mian)出(c🅷hu)(chu)现(xian)产生鱼、🦩虾、蟹阵亡。
4、药(yao)𝓀剂(ji)外(wai)包装箱废💙料(liao)物禁止随着扔掉或自(zi)主应急处置,马上交还(hai)派(pai)出机关药(yao)剂(ji)外(wai)包装箱废料(liao)物回收利(li)用(yong)点(dian)。
浸种药品木种等详请咨询中心是时间植物保护相关部门。