TENG Siyuan,GAO Pan,ZHANG Gongliang,et al.Effects of Chloromequat on the Growth, Development and Yield of Maize Under Shallow Buried Drip Irrigation[J].HEILONGJIANG AGRICULTURAL SCIENCES,2026,(08):17-23.[doi:10.11942/j.issn1002-2767.2026.08.0017]
浅埋滴灌下矮壮素对玉米生长发育和产量的影响
- Title:
- Effects of Chloromequat on the Growth, Development and Yield of Maize Under Shallow Buried Drip Irrigation
- 文章编号:
- 3
- 文献标志码:
- A
- 摘要:
- 针对黑龙江省西部半干旱地区玉米生产中长期存在的季节性干旱、水肥利用率低及倒伏风险增加等问题，于2025年在黑龙江省农业科学院齐齐哈尔分院试验基地开展田间试验。在浅埋滴灌水肥一体化条件下，以玉米品种DY009为材料，设置对照（CK,不喷施矮壮素）与喷施矮壮素(CCC)两大处理，系统研究矮壮素化控措施对浅埋滴灌条件下玉米生长发育、氮代谢关键酶活性及产量形成的影响。结果表明，CCC可显著降低玉米株高（成熟期降幅19.74%）和穗位高（成熟期降幅19.84%），增强茎秆强度（茎粗增加1.60%~4.29%），提高抗倒伏能力；同时提升大喇叭口期氮代谢关键酶活性（如谷氨酰胺合成酶活性提升11.09%），促进氮素吸收与利用，并显著维持后期冠层光合能力（叶面积指数提高18.08%）,在稳定穗部性状的基础上，使玉米产量提高612.60 kg·hm-2。
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备注/Memo
收稿日期：2026-01-28 基金项目：黑龙江省农业科技创新跨越工程农业基础数据监测项目（CX23JC06）；农业农村部农业环境齐齐哈尔野外科学观测研究站（NAES058AE10）。 第一作者：滕思远（1998—）,男,硕士,研究实习员,从事作物栽培和秸秆还田研究。E-mail：1836027025@qq.com。 通信作者：王宇先（1982—）,男,硕士,副研究员,从事作物栽培和秸秆还田研究。E-mail：13836209470@163.com。