水(shui)(shui)稻(dao)恶(e)(e)苗病(bing)(bing)(bing)(bing)是我区(qu)水(shui)(shui)稻(dao)上最主(zhu)(zhu)要(yao)的种(zhong)(zhong)(zhong)传病(bing)(bing)(bing)(bing)害(hai),由区(qu)农技(ji)中心(xin)抽样送检经市农技(ji)中心(xin)检测,今(jin)年我区(qu)水(shui)(shui)稻(dao)主(zhu)(zhu)要(yao)种(zhong)(zhong)(zhong)植品种(zhong)(zhong)(zhong)稻(dao)种(zhong)(zhong)(zhong)恶(e)(e)苗病(bing)(bing)(bing)(bing)平(ping)均带菌率为(wei)3.6%,最高(gao)(gao)8%,带菌率较去年略低。但鉴(jian)于去年田(tian)间发病(bing)(bing)(bing)(bing)普遍(bian),今(jin)年恶(e)(e)苗病(bing)(bing)(bing)(bing)仍存在较大流行风险。稻(dao)种(zhong)(zhong)(zhong)药剂处(chu)理(li)是控制水(shui)(shui)稻(dao)种(zhong)(zhong)(zhong)传病(bing)(bing)(bing)(bing)害(hai)最经济有效(xiao)的措施,为(wei)此(ci)希(🦂xi)望各(ge)街镇及广大种(zhong)(zhong)(zhong)植户引(yin)起高(gao)(gao)度重视,认真(zhen)做好水(shui)(shui)稻(dao)种(zhong)(zhong)(zhong)子处(chu)理(li)工作,为(wei)今(jin)年水(shui)(shui)稻(dao)高(gao)(gao)产(chan)丰(feng)收打(da)下良好的基础。具体(ti)技(ji)术要(yao)求(qiu)如下:
一、晒种选种
播前(qian)选晴好天气晒种(zho🐽ng)1~2天,并精选种(zhong)子,除去秕粒(li💞)病(bing)粒(li)、减少菌源,以提(ti)高(gao)种(zhong)子的(de)发芽势,增(zeng)强秧(yang)苗抗(kang)病(bing)能力。
二、中和(he)剂进行处理清洗(xi)技术工艺(yi)
1、清理策略:
每(mei)4kg稻种(zhong)(zhong)(亩(mu)用(yong)种(zhong)(zhong)量(liang)(liang))用(yong)浸种(zhong)(zhong)药剂(ji)9ml,采用(yong)二次稀(xi)释法,先加少量(liang)(liang)水调成浆糊状,然后(hou)再加清水6kg稀(xi)释,配成药液。将选过的(de)稻种(zhong)(zhong)4kg(亩(mu)用(yong)种(zhong)(zhong)量(liang)(liang))浸入(ru)配成的(de)药液中搅拌均匀(yun),以药液高出种ꦏ(zhong)(zhong)子(zi)2-3cm为宜。(若稻种(zhong)(zhong)数量(liang)(liang)多可按(an)上述相应比例配制)
2、浸(jin)种时间(jian)(jian):日平均气温低(di)于20℃,浸(jin)种时间(jian📖)(jian)应为60小时,20℃以上,浸(jin)种时间(jian)(jian)应在48小时左右,具体根据气温变(bian)化掌握(wo)好(hao)时间(jian)(jian),♊但浸(jin)足时间(jian)(jian)是保证药效的(de)关键。
三、提前准备事情
1、浸种烧杯(bei)要加盖(gai),并(bing)放置(zhi)背阴阴凉处。严不可用(yong)蛇皮袋(dai)会(hui)(hui)随便浸种,防止影响力使用(yong)效๊果(guo)。稻种紫外线(xian)灯消毒后不要自来ꦡ水冲冼,可会(hui)(hui)随便沥干(gan)催芽(ya)施肥。
2、药品除(chu)理过的种子视频,勿与的食(shi)物、伺料(liao)厂(chang)放𝕴到来,不(bu)容许喂(wei)饲禽畜,更(geng)不(bu)容许用到加工厂(chang)伺料(liao)厂(chang)或面制品。
3、药(yao)物(wu)治疗后(hou)应逃避(bi)药(yao)液(ye)等(deng)会(hui)直接排至水塘(tang)、虾塘(tang)等(deng)鱼业(ye)种(zhong)植(zhi)的平(ping)台(tai),逃避(bi🐻)会(hui)造(zao)成鱼、虾、蟹身🔴亡。
4、农(nong)约纸(zhi)盒(he)(he)礼品盒(he)(he)废品物(wu)꧋不可隨便放弃或立刻防范(fan),适(shi)时交给地(di)方党(dang)委农(nong)约纸(zhi)盒(he)(he)礼品盒(he)(he)废品物(wu)二手(shou)回收点。
浸种的药剂平种等详请咨询公司是时间值保部位。