WANG Mingxin,LI Yonghui,CHEN Shaofeng,et al.Effects of Nicotinuron Soil Residues on Growth and Development of Subsequent Tobacco and Soil Microorganism[J].HEILONGJIANG AGRICULTURAL SCIENCES,2026,(07):20-25.[doi:10.11942/j.issn1002-2767.2026.07.0020]
烟嘧磺隆土壤残留对下茬烟草生长发育及土壤微生物的影响
- Title:
- Effects of Nicotinuron Soil Residues on Growth and Development of Subsequent Tobacco and Soil Microorganism
- 文章编号:
- 3
- Keywords:
- nicosulfuron; residue; tobacco; growth and development; soil microorganisms
- 文献标志码:
- A
- 摘要:
- 为促进玉米后茬烟草安全生长,于2023年分别在河南省平顶山市各县(市)烟田采集土壤样品,测定土壤中烟嘧磺隆的残留量,并分析了其不同残留浓度对烟草生长及根际土壤微生物的影响。结果表明,调查的4个县(市)中,共采集14份土样进行检测,其中有5份土样未检测出药剂残留,其余9份土样检测出烟嘧磺隆的残留量为7.290×10-3~6.032×10-2 mg·kg-1;在烟嘧磺隆残留浓度高的土壤中,下茬烟草的生长发育受到显著抑制,当烟嘧磺隆的浓度为6.4×10-2 mg·kg-1时,其对烟草的最大叶长、最大叶宽、最大叶面积、根长、地上、地下鲜重及根活力抑制率分别为44.83%、47.97%、71.69%、48.66%、70.59%、52.03%和41.38%,且经过烟嘧磺隆的处理后,土壤中的微生物结构发生变化。其中真菌和放线菌的生长受到抑制,细菌的生长受到促进,其对真菌和放线菌的生长的抑制效果分别为90.42%和53.51%。
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备注/Memo
收稿日期:2026-01-24 基金项目:河南省烟草公司平顶山市公司科技重点项目(PYKJ202209);河南省科协托举项目(2024HYTP037);中国烟草总公司河南省公司创新项目(2024410000240047)。 第一作者:王明鑫(1989—), 男, 硕士, 助理农艺师, 从事烟草植保和栽培相关研究。E-mail: minxing89@163.com。 通信作者:孟颢光(1969—), 男, 博士, 副教授, 从事烟草病害生态防控研究。E-mail:menghaoguang@henau.edu.cn。
