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Effect of Trichoderma sp. preparation on plant growth and Cu accumulation of Elsholtzia splendens
Authors
张明旭
李振高
+5 more
滕应
田晔
赵静
马文亭
骆永明
Publication date
20 June 2012
Publisher
Abstract
将里氏木霉FS10-C用苜蓿粉发酵制成固体木霉制剂.采用温室盆栽试验;研究在外源铜浓度为0;100;200;400mg/kg的土壤上;施加木霉制剂对海州香薷生长和铜吸收的影响.结果表明:施加木霉制剂后;除400mg/kg外源铜浓度土壤上地上部干重外;海州香薷生物量在各外源铜浓度土壤上均呈增加趋势.施加木霉制剂的各外源铜浓度土壤NH4OAc提取态铜含量均显著高于空白组(P<0.05);且除100mg/kg外源铜土壤上地上部外;海州香薷铜积累量均呈增加趋势.其中地上部积累量在200和400mg/kg外源铜土壤上均差异显著(P<0.05);根积累量在100mg/kg外源铜土壤上差异显著(P<0.05);总积累量在100和400mg/kg外源铜土壤上均差异显著(P<0.05).可见;里氏木霉FS10-C制剂可通过促进植物生长和提高土壤铜的植物有效性而提高海州香薷对铜的吸收能力;是一种颇具研发潜力的生物修复剂
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Last time updated on 18/09/2018