仲丁靈又名丁樂靈、地di樂le胺an,為wei選xuan擇ze性xing萌meng芽ya前qian除chu草cao劑ji,藥yao劑ji進jin入ru植zhi物wu體ti內nei後hou主zhu要yao抑yi製zhi分fen生sheng組zu織zhi的de細xi胞bao分fen裂lie,從cong而er抑yi製zhi雜za草cao幼you芽ya及ji幼you根gen的de生sheng長chang,導dao致zhi雜za草cao死si亡wang。使shi用yong地di樂le胺an一yi般ban要yao混hun土tu,以yi提ti高gao藥yao效xiao,混hun土tu深shen度du3~5limi。zaidiwenjijiehuoyongyaohoujiaoshui,buhuntuyeyoujiaohaodexiaoguo。jingyechulifangzhitusizishi,penwuliqiuxiweijunyun,shitusizichanraodejingjianjunnengjiechudaoyaoji。zhongdinglingduipifu、眼睛及黏膜有輕度刺激作用,施藥時應注意安全防護。
菟tu絲si子zi為wei旋xuan花hua科ke一yi年nian生sheng草cao本ben植zhi物wu,是shi大da豆dou田tian惡e性xing寄ji生sheng性xing雜za草cao,與yu大da豆dou同tong時shi成cheng熟shu或huo稍shao早zao成cheng熟shu。成cheng熟shu後hou落luo入ru土tu中zhong的de種zhong子zi以yi及ji混hun雜za在zai大da豆dou種zhong子zi和he有you機ji肥fei中zhong的de種zhong子zi,是shi主zhu要yao的de初chu侵qin染ran來lai源yuan。菟tu絲si子zi常chang比bi大da豆dou遲chi出chu苗miao20多天,種子發芽適宜的土溫為25℃左右,適宜的土壤含水量為15%~30%。
fangzhitusizi,yingyindizhiyidicaiquzonghexingdecuoshi。boqianshaixuanhuofengxuanqingchudouzhongzhongdetusizizhongzi。fashengzhongdetiankuaiyilunzuohuancha,yuhebenkezuowulunzuo3年以上,與水稻輪作1~2年就可以。深耕10厘li米mi以yi上shang,將jiang菟tu絲si子zi種zhong子zi深shen埋mai,可ke以yi減jian少shao發fa生sheng量liang。菟tu絲si子zi種zhong子zi經jing過guo畜chu禽qin消xiao化hua道dao後hou仍reng有you生sheng命ming力li,帶dai菟tu絲si子zi的de畜chu禽qin糞fen肥fei充chong分fen腐fu熟shu後hou才cai能neng入ru田tian。菟tu絲si子zi出chu苗miao後hou2~3tianneizhaobudaoheshidejizhujiuhuisiwang,dadoukuanxingtiaobozhongzhikeyijiangditusiziyoumiaochenghuolv,jianqingweihai。jingchangtatianjianzha,jishijiangshoutusiziqinrandedouzhubachu,bingjiangtusizicantiqingchubingdaichutianwai。
用地樂胺、乙草胺進行土壤封閉處理,對菟絲子均有良好的防效,關鍵是要適墒用藥,在田麵形成嚴密的藥層。另有資料介紹,每畝用43%甲草胺250毫升,或72%異丙甲草胺150毫升,或50%利穀隆150毫升,加水30~50公斤噴施進行土壤封閉處理,也是防除菟絲子的有效方法。
大豆對草甘膦的耐藥性較強,而菟絲子對草甘膦很敏感。據有關資料介紹,可以用41%農達400倍液,或10%草甘膦100beiye,duizhunshoutusiziqinrandedadouzhizhupenshi。yaoyebuyaopendaoqitazhizhushang,yimianchanshengyaohai。jingyechulifangchutusizi,yingzaitusizizhuanzhuweihaiqianshiyao,ge10~15天查治一次,共治2~3次。大豆田施用草甘膦,技術要求高,在小麵積試用成功並取得經驗後再擴大應用麵積。
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