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咪唑乙烟酸对大豆根瘤菌、根瘤生长及产量的影响 被引量:1

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摘要 在室内纯培养和田间条件下研究了咪唑乙烟酸对大豆根瘤菌和根瘤生长及大豆产量的影响。结果表明:在培养基中咪唑乙烟酸含量500μg/kg条件下,对大豆根瘤菌生长无明显抑制作用,但咪唑乙烟酸≥1000μg/kg时,根瘤菌生长受到显著抑制。咪唑乙烟酸土壤和茎叶处理均会造成大豆根瘤数和干重的显著降低。土壤处理后使大豆根瘤数和干重的增长受到较长时间的抑制,茎叶处理在短时间内大豆根瘤数和干重即可恢复正常。咪唑乙烟酸茎叶处理后大豆产量未受到显著影响。咪唑乙烟酸62.5gai/hm2土壤处理后大豆产量未受到显著影响,但咪唑乙烟酸高剂量125.0gai/hm2和250.0gai/hm2土壤处理可造成大豆产量的显著降低。
出处 《科技信息》 2010年第09X期23-24,共2页 Science & Technology Information
基金 转基因生物新品种培育重大专项(项目编号为2009ZX08011-023B) 哈尔滨市人才专项基金(项目编号为2007RFQXN012) 黑龙江省青年科学基金项目(项目编号为QC07C45)
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同被引文献17

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