水稻(dao)(d♓ao)恶(e)苗(miao)病(bing)(bing)(bing)是(shi)我区(qu)水稻(dao)(dao)上最主要的种(zhong)(zhong)(zhong)传病(bing)(bing)(bing)害,由(you)区(qu)农(nong)技(ji)中心(xin)抽样送检经市农(nong)技(ji)中心(xin)检测(ce),今年我区(qu)水稻(dao)(dao)主要种(zhong)(zhong)(zhong)植(zhi)品(pin)种(zhong)(zhong)(zhong)稻(dao)(dao)种(zhong)(zhong)(zhong)恶(e)苗(miao)病(bing)(bing)(bing)平均带菌(jun)率为3.6%,最高(gao)8%,带菌(jun)率较去(qu)年略低。但鉴于去(🅺qu)年田间发病(bing)(bing)(bing)普遍,今年恶(e)苗(miao)病(bing)(bing)(bing)仍(reng)存在较大流行风险(xian)。稻(dao)(dao)种(zhong)(zhong)(zhong)药(yao)剂处理是(shi)控制水稻(dao)(dao)种(zhong)(zhong)(zhong)传病(bing)(bing)(bing)害最经济(ji)有效的措施,为此希望(wang)各(ge)街镇及广大种(zhong)(zhong)(zhong)植(zhi)户引起(qi)高(gao)度重视(shi),认真做(zuo)好水稻(dao)(dao)种(zhong)(zhong)(zhong)子处理工作,为今年水稻(dao)(dao)高(gao)产丰收打(da)下良好的基础。具体技(ji)术(shu)要求如下:
一、晒种选种
播(bo)前(qian)选(xuan)晴好天(tian)气晒(s♐hai)种1~2天(tian),并精选(xuan)种子,除去秕粒病粒、减少菌源(yua𝕴n),以提(ti)高种子的发(fa)芽(ya)势,增强秧苗(miao)抗病能(neng)力。
二、化学剂工作消毒杀菌技术应用
1、治疗技术:
每4kg稻种(zhong)(zhong)(亩(mu)用(yong)种(zhong)(zhong)量)用(yong)浸(jin)种(zhong)(zhong)药剂(ji)9ml,采(cai)用(yong)二次稀释法(fa),先加少量水(shui)调成浆糊状,然(ran)后再加清水(shui)6kg稀释,配(pei)成药液。将选过的(de)稻种(zhong)(zhong)4kg(亩(mu)用(yong)种(zhong)(zhong)量)浸(jin)入配(pei🍸)成的(de)药液中(zhong)搅拌均匀(yun),以(yi)药液高出种(zhong)(zhong)子(zi)2-3cm为宜。(若(ruo)稻种(zhong)(zhong)数量多(duo)可按上述相应比例配(pei)制)
2、浸种(zhong)时(shi)(shi)间(jian)(jian)(jian)♈:日平均气温低于20℃,浸种(zhong)时(shi)(shi)间(jian)(jian)(jian)应为60小时(shi)(shi),20℃以上(shang),浸种(zhong)时(shi)(🎃shi)间(jian)(jian)(jian)应在(zai)48小时(shi)(shi)左右,具体(ti)根据气温变化(hua)掌握好时(shi)(shi)间(jian)(jian)(jian),但浸足时(shi)(shi)间(jian)(jian)(jian)是保证药效的关键(jian)。
三、需要注意情(qing)况(kuang)说明
1、浸种(zhon𓂃gജ)(zhong)罐体要加盖,并放在(zai)阴凉(liang)处(chu)背光处(chu)。严不(bu)(bu)可用蛇(she)皮袋间(jian)接性浸种(zhong)(zhong),切勿引响效用。稻种(zhong)(zhong)清洗后不(bu)(bu)可以再用温水冲冼,可间(jian)接性沥(li)干催芽(ya)施(shi)肥。
2、去除剂的计量解(𝐆jie)决(jue)过的迅雷种子,勿与饮食(shi)、猪预混料放到我们一起(꧃qi),禁(jin)止喂食(shi)禽畜,更禁(jin)止可(ke)以粗加(jia)工(gong)猪预混料或食(shi)品饮料。
3、药物治疗(liao)后应减少(shao)药液等(deng)就直接进(jin)行𝓀室内养鱼池、꧟虾(xia)塘等(deng)水(shui)产海产品家庭养殖的地点,减少(shao)引致鱼、虾(xia)、蟹死(si)掉(diao)。
4、农约包(bao)装袋机危险废꧑物(wu)物(wu)不能所以(yi)遗弃(qi)或立即处治(zhi),随时交还各级党(dang)委农约包(bao)装袋机危险废物(wu)物(wu)的回꧅收利用点。
浸种药液优良品种等详请质询日本值保政府部门。