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水稻种子消毒处理意见
信息来源: 发部日子:2024-03-17 阅读次数:

水(shui)(shui)稻(dao)(dao)恶苗病是我(wo)区水(shui)(shui)稻(dao)(dao)上(shang)最(zui)主要的种(zhong)(zhong)(zhong)传(chuan)病害(hai),由区农(nong)技(ji)中(zhong)心抽样送检经市(shi)农(nong)技(ji)中(zhong)心检测,今年(nian)我(wo)区水(shui)(shui)稻(dao)(dao)主要种(zhong)(zhong)(zhong)植品种(zhong)(zhong)(zhong)稻(dao)(dao)种(zhong)(zhong)(zhong)恶苗病平均(jun)带(dai)菌率为(wei)3.6%,最(zui)高8%,带(dai)菌率较去年(nian)略低。但鉴于去年(nian)田间发病普遍(bian),今年(nian)恶苗病仍存在较大(da)流行风险。稻(dao)(dao)种(zhong)🍨(zhong)(zhong)药剂处(chu)理(li)是控制水(shui)(shui)稻(dao)(dao)种(zhong)(zhong)(zhong)传(chuan)病害(hai)最(zui)经济(ji)有效的措(cuo)施,为(wei)此希望各街(jie)镇(zhen)及广大(da)种(zhong)(zhong)(zhong)植户(hu)引起高度重视,认真做(zuo)好(hao)水(shui)(shui)稻(dao)(dao)种(zhong)(zhong)(zhong)子处(chu)理(li)工(gong)作,为(wei)今年(nian)水(shui)(shui)稻(dao)(dao)高产丰收(shou)打下良好(hao)的基础。具体技(ji)术要求如(ru)下:

一、晒种选种

播前(qian)选晴好天气晒(shai)种(zhong𝔉)1~2天,并精选种(zhong)子(zi),除去秕粒(li)病粒(li)、减(jian)少(shao)菌源,以提高种(zhong)子(zi)的发芽势(shi),增(zeng)强(qiang)秧苗(miao)抗病能力。

二、去除(chu)剂的计量(liang)解决(jue)杀菌消毒枝术

1、办理办法:

每(mei)4kg稻种(亩用(yong)(yong)种量)用(yong)(yong)浸(jin)种药(yaoও)(yao)剂9ml,采用(yong)(yong)二(er)次稀释法,先(xian)加(jia)少量水调成浆糊状,然后再加(jia)清水6kg稀释,配成药(yao)(yao)液。将选过的稻种4kg(亩用(yong)(yong)种量)浸(jin)入配成的药(yao)(yao)液中(zhong)搅拌均匀,以药(yao)(yao)液高出种子2-3cm为(wei)宜。(若稻种数(shu)量多可按(an)上述相(xiang)应比例配制(zhi))

2、浸(jin)(jin)(jin)种时(shi)(shi)间:日(ri)平均气温(wen)低于20℃,浸(jin)(jin)(jin)种时(shi)(shi)间应为60小(xiao)时(shi)(shi),20℃以上,浸(jin)(jin)(jin)种时(shi)(shi)间应在48小(xiao)时(shi)(shi)左右(you),具体(ti)根据气温(🦋wen)变(bian)化(hua)掌握(wo)好时(shi)(shi)间,但(dan)🔥浸(jin)(jin)(jin)足时(shi)(shi)间是保证药效的关(guan)键。

三、特别留意法定程序

1、浸种(zhong)(zhong)场所(suo)用(yong)加盖,并(bing)放置荫凉遮光处。严不(bu)可(ke)用(yong)蛇皮袋简(jian)(jian)单(dan)浸种(zhong)(zhong),如不(bu)应(ying)响使(shi)用(yong)效果。稻(dao)种(zhong)(zhong)清洁后(hou)不(bu)必须要水冲♛冼,可(ke)简(jian)(jian)单(dan)沥干催芽载种(zhong)(zho🌳ng)。

2、药(꧙yao)液(ye)正确处理(li)过的(de)種子,勿与食物营养、饲(si)(si)草(cao)置于一齐,不宜喂食禽畜,更不宜当做生产(chan)(chan)制造(zao)饲(si)(s✅i)草(cao)或(huo)产(chan)(chan)品。

3、用药量后应以免药液(ye)等进行直排到养鱼塘、虾(ℱxia)塘等海产品养殖厂的区域,以免引致鱼、虾(xia)、蟹身故。

4、药剂(ji)进行(xing)💃包(bao)装方式(shi)丟弃(♋qi)物不得不简单丟弃(qi)或随(sui)意(yi)救(jiu)治,立即归还各部药剂(ji)进行(xing)包(bao)装方式(shi)丟弃(qi)物收(shou)回(hui)点。

    浸种药物制剂品类等详请顾问地方值保行政部门。
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