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- W794478897 abstract "以小麦（Triticum acstivnm）为供试植物,草甸棕壤为供试土壤,采用室内培养箱盆栽方法,研究了荧蒽、苯并（a）芘单一及复合污染胁迫与小麦叶片中3种植物内源激素赤霉素（gibberellic acid,GA3）、细胞分裂素类的玉米素及玉米素核苷总量（zeatinand zeatin riboside,Z＆ZR）、脱落酸（abscisic acid,ABA）的污染诱导剂量-效应关系.结果表明,荧蒽单一及与苯并（a）芘复合污染胁迫对小麦体内ABA的合成有明显的诱导作用,并且荧蒽单一污染的诱导作用较强,当荧蒽浓度为16 mg.kg-1时,ABA含量比对照增加了198%.荧蒽、苯并（a）芘复合污染对GA3的合成表现为明显的诱导抑制效应,而GA3对单一污染胁迫响应趋势不明显.荧蒽、苯并（a）芘单一及复合污染胁迫对Z＆ZR的合成均产生明显的诱导抑制效应.本研究表明,3种内源激素对土壤低剂量多环芳烃污染指示具有重要作用,其对荧蒽、苯并（a）芘单一及复合污染响应的敏感性顺序为：Z＆ZR〉ABA〉GA3." @default.
- W794478897 created "2016-06-24" @default.
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- W794478897 date "2007-01-01" @default.
- W794478897 modified "2023-09-23" @default.
- W794478897 title "高等植物内源激素与土壤荧蒽、苯并（a）芘污染诱导的剂量-效应关系" @default.
- W794478897 hasPublicationYear "2007" @default.
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