油(you)菜(cai)等(deng)闊(kuo)葉(ye)作(zuo)物(wu)對(dui)苄(bian)嘧(mi)磺(huang)隆(long)敏(min)感(gan),誤(wu)用(yong)後(hou)會(hui)出(chu)現(xian)不(bu)同(tong)程(cheng)度(du)藥(yao)害(hai)症(zheng)狀(zhuang)。如(ru)果(guo)使(shi)用(yong)劑(ji)量(liang)小(xiao),而(er)且(qie)噴(pen)藥(yao)後(hou)及(ji)時(shi)用(yong)清(qing)水(shui)洗(xi)藥(yao),僅(jin)發(fa)生(sheng)輕(qing)微(wei)藥(yao)害(hai)時(shi),及(ji)時(shi)噴(pen)施(shi)萘(nai)二(er)酸(suan)酐(gan)、芸(yun)薹(tai)素(su)內(nei)酯(zhi)等(deng)藥(yao)物(wu)能(neng)提(ti)高(gao)油(you)菜(cai)的(de)抗(kang)逆(ni)能(neng)力(li),緩(huan)解(jie)藥(yao)害(hai)。但(dan)從(cong)許(xu)立(li)康(kang)反(fan)映(ying)的(de)情(qing)況(kuang)看(kan),用(yong)藥(yao)量(liang)較(jiao)大(da),油(you)菜(cai)已(yi)經(jing)受(shou)到(dao)了(le)苄(bian)嘧(mi)磺(huang)隆(long)的(de)嚴(yan)重(zhong)藥(yao)害(hai),而(er)且(qie)苄(bian)嘧(mi)磺(huang)隆(long)殘(can)效(xiao)期(qi)較(jiao)長(chang),黏(nian)土(tu)中(zhong)半(ban)衰(shuai)期(qi)4~20周,水中半衰期約4~6天(tian),在(zai)以(yi)後(hou)一(yi)段(duan)時(shi)間(jian)油(you)菜(cai)會(hui)持(chi)續(xu)不(bu)斷(duan)地(di)從(cong)土(tu)壤(rang)中(zhong)吸(xi)收(shou)藥(yao)物(wu),受(shou)害(hai)程(cheng)度(du)會(hui)加(jia)重(zhong)。即(ji)使(shi)受(shou)害(hai)植(zhi)株(zhu)以(yi)後(hou)能(neng)逐(zhu)漸(jian)恢(hui)複(fu)生(sheng)長(chang),對(dui)油(you)菜(cai)的(de)最(zui)終(zhong)產(chan)量(liang)也(ye)會(hui)有(you)很(hen)大(da)影(ying)響(xiang)。
對(dui)受(shou)苄(bian)嘧(mi)磺(huang)隆(long)嚴(yan)重(zhong)藥(yao)害(hai)的(de)油(you)菜(cai),沒(mei)有(you)有(you)效(xiao)的(de)辦(ban)法(fa)補(bu)救(jiu),應(ying)盡(jin)早(zao)毀(hui)耕(geng)重(zhong)種(zhong)。繼(ji)續(xu)種(zhong)油(you)菜(cai)等(deng)闊(kuo)葉(ye)作(zuo)物(wu)仍(reng)可(ke)能(neng)發(fa)生(sheng)藥(yao)害(hai),應(ying)改(gai)種(zhong)小(xiao)麥(mai)等(deng)對(dui)苄(bian)嘧(mi)磺(huang)隆(long)不(bu)敏(min)感(gan)的(de)作(zuo)物(wu)。
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