水(shui)稻(dao)恶(e)苗(miao)(miao)病(bing)是我区水(shui)稻(dao)上最主要(yao)(yao)的(de)种(zhong)(zhong)传病(bing)害,由区农技中(zhong)心抽(chou)样送(son🥃g)检经(jing)市农技中(zhong)心检测,今(jin)(jin)年我区水(shui)稻(dao)主要(yao)(yao)种(zhong)(zhong)植品种(zhong)(zhong)稻(dao)种(zhong)(zhong)恶(e)苗(miao)(miao)病(bing)平均带(dai)菌率为(wei)(wei)3.6%,最高8%,带(dai)菌率较去(qu)年略低。但鉴于去(qu)年田间发病(bing)普遍,今(jin)(jin)年📖恶(e)苗(miao)(miao)病(bing)仍存在较大流行(xing)风(feng)险。稻(dao)种(zhong)(zhong)药(yao)剂处理(li)是控制水(shui)稻(dao)种(zhong)(zhong)传病(bing)害最经(jing)济有效的(de)措施,为(wei)(wei)此希望各街(jie)镇及广大种(zhong)(zhong)植户引(yin)起高度重视,认真做好(hao)水(shui)稻(dao)种(zhong)(zhong)子处理(li)工作,为(wei)(wei)今(jin)(jin)年水(shui)稻(dao)高产丰收打下(xia)良好(hao)的(de)基础。具体技术要(yao)(yao)求(qiu)如下(xia):
一、晒种选种
播前(qian)选晴好天(tian)气🃏(qi)晒种(zhong)1~2天(tian),并精选种(zhong)子(zi),除去秕(bi)粒病粒、减少菌(jun)源,以(yi)提高种(zhong)子(zi)的发芽势,增强(qiang)秧苗抗病能力。
二、药(yao)物制剂(ji)外(wai)理酒精消(xiao)毒(du)科技
1、整理策略:
每4kg稻(dao)种(zho🐬ng)(zhong)(zhong)(zhong)(亩用种(zhong)(zhong)(zhong)(zhong)量(liang))用浸种(zhong)(zhong)(zhong)(zhong)药剂9ml,采用二次稀释(shi)(shi)法,先加(jia)少量(liang)水调成浆糊状(zhuang),然后再加(jia)清水6kg稀释(shi)(shi),配成药液。将选过的稻(dao)种(zhong)(zhong)(zhong)(zhong)4kg(亩用种(zhong)(zhong)(zhong)(zhong)量(liang))浸入配成的药液中搅拌均匀,以(yi)药液高出种(zhong)(zhong)(zhong)(zhong)子2-3cm为宜。(若稻(dao)种(zhong)(zhong)(zhong)(zhong)数量(liang)多可按上述(shu)相(xiang)应(ying)比例配制)
2、浸(jin)种(zhong)时(shi)间(jian):日平均(jun)气温低(di)于(yu)20℃,浸(jin)种(zhong)时(shi)间(jian)应为60小(xiao)时(shi),20℃以(ꦰyi)上,浸(jin)种(zhong)时(shi)间(jian)应在(zai)48小(xiao)时(shi)左右,具体(ti)根据气温变化掌握好时(shi)间(jian),但浸(jin)足(zu)时(shi)间(jian)是保证(zheng)药效的关键(jian)。
三、提前准备方(fang)式方(fang)法
1、浸(jin)(jin)种烧(shao)杯(bei)需要盖,并放入阴冷背光处(chu)。严不(bu)可用(yong)蛇(she)皮(pi)袋立即浸(jin)(jin)种,尽量的影响效用(yong)。ꩵ稻种清洁消毒后不(bu)能(neng)用(yong)水(shui)冲冼,可立即沥干催(cui)芽(ya)秋(qiu)播。
2、除(chu)甲醛(quan)药剂处置过的(de)种(zhong)子资源,勿与吃物(wu)、预(yu)混(hun)料(liao)放至一齐(qi),严(yan)禁(jin)喂养禽畜(chu),更严(yan)禁(jin)也可(ke)以(yi)加工工艺预(yu)混(h🦹un)料(liao)或美食。
3、用药指导后应应对ও药液等可(ke)以直接污水(shui)排放渔塘(tang)(tang)、虾(xia)塘(tang)(tang)等渔꧅业养殖猪养殖猪的部分,应对会造成鱼(yu)、虾(xia)、蟹生亡。
4、药剂纸盒(he)(he)包装设(she)计(ji)废品(pin)物不得不随♛便舍弃或立(li)即应急处置,要(yao)及(ji)时交还派出机关药剂纸盒(he)(he)包装设(she)计(ji)废品(pin)物回收公(gong)司点。
浸种去除剂的计量品系等详请服务咨询场地飞防部门乃至每一位员工。