[1]关方硕,陈晶,杨亮,等.不同种植密度下施加甲哌鎓对大豆产量及品质的影响[J].黑龙江农业科学,2022,(11):27-30.[doi:10.11942/j.issn1002-2767.2022.11.0027]
　GUAN Fang-shuo,CHEN Jing,YANG Liang,et al.Effects of Mepiquat Chloride on Yield and Quality of Soybean Under Different Planting Density[J].HEILONGJIANG AGRICULTURAL SCIENCES,2022,(11):27-30.[doi:10.11942/j.issn1002-2767.2022.11.0027]
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不同种植密度下施加甲哌鎓对大豆产量及品质的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2022年11 页码: 27-30 栏目: 出版日期: 2022-11-10
Title:
Effects of Mepiquat Chloride on Yield and Quality of Soybean Under Different Planting Density
作者:
关方硕1; 陈晶2; 杨亮1; 刘刚1; 姜君学1; 缪晓明3; 董守坤1
1.东北农业大学 农学院，黑龙江 哈尔滨 150030； 2.哈尔滨市呼兰区气象局，黑龙江 哈尔滨 150500； 3.河北国欣诺农生物技术有限公司，河北 河间 062450
Author(s):
GUAN Fang-shuo1; CHEN Jing2; YANG Liang1; LIU Gang1; JIANG Jun-xue1; MIAO Xiao-ming3; DONG Shou-kun1
1.College of Agronomy，Northeast Agricultural University, Harbin 150030,China； 2.Harbin Hulan District Meteorological Bureau, Harbin 150500,China; 3.Hebei Guoxinnuonong Biotechnology Limited Company, Hejian 062450,China
关键词:
大豆; 甲哌鎓; 产量; 种植密度
Keywords:
soybean;  mepiquat chloride;  yield;  planting density
DOI:
10.11942/j.issn1002-2767.2022.11.0027
文献标志码:
A
摘要:
为提高大豆产量，寻找适宜种植密度与探究甲哌鎓对大豆产量的调控效应，选用来豆2号大豆品种，设置保苗密度为20.0万株·hm-2(D20.0)、22.5万株·hm-2(D22.5)和25.0万株·hm-2(D25.0)，在大豆始荚期喷施甲哌鎓，研究了不同密度下喷施甲哌鎓对大豆产量及品质的影响。结果表明，D22.5+DPC和D25.0+DPC处理株高较相应对照组显著降低；D25.0+DPC处理单株有效荚数较对照组增加、单株粒数和百粒重较对照组显著增加；D20.0+DPC、D22.5+DPC和D25.0+DPC产量均较相应对照组显著增加，脂肪含量增加019%～0.67%，以保苗密度25.0万株〗·hm-2时喷施甲哌鎓的增产效果最佳。
Abstract:
In order to improve the yield of soybean, find the suitable planting density and explore the regulation effect of mepiquat chloride on the yield of soybean, the soybean variety Laidou 2 was selected, and the seedling density was set as 2.00×105 plants·ha-1 (D20.0), 2.25×105 plants·ha-1 (D22.5) and 2.50×105 plants·ha-1 (D25.0). The effect of spraying mepiquat chloride on the yield and quality of soybean under different densities was studied. The results showed that the plant height of D22.5+DPC and D25.0+DPC treatment was significantly lower than that of the corresponding control group. The number of effective pods per plant in D25.0+DPC treatment increased compared with the control group, and the number of grains per plant and 100-seed weight increased significantly compared with the control group. The yields of D20.0+DPC,D22.5+DPC and D25.0+DPC were significantly higher than those of the corresponding control groups, and the fat content increased by 019%-0.67%. The yield-increasing effect of spraying mepiquat chloride was the best when the seedling density was 2.50×105 plants·ha-1.

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备注/Memo

收稿日期：2022-08-22

基金项目：国家重点研发计划（2018YFD1000903）；黑龙江省“揭榜挂帅”科技攻关项目（2021ZXJ05B03）。
第一作者：关方硕（1997-），男，硕士研究生，从事大豆栽培生理研究。E-mail:13720502@qq.com。
通信作者：董守坤（1978-），男，博士，研究员，从事大豆栽培生理及保护性耕作研究。E-mail:shoukundong@163.com。

更新日期/Last Update: 2022-12-27