[1]马幸康,高玉红,吴兵,等.种植密度对胡麻籽粒产量及品质形成的影响[J].江苏农业学报,2026,42(01):51-58.[doi:doi:10.3969/j.issn.1000-4440.2026.01.006]
　MA Xingkang,GAO Yuhong,WU Bing,et al.Effects of planting density on seed yield and quality formation of oilseed flax[J].,2026,42(01):51-58.[doi:doi:10.3969/j.issn.1000-4440.2026.01.006]
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种植密度对胡麻籽粒产量及品质形成的影响()

江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
42
期数:
2026年01期
页码:
51-58
栏目:
耕作栽培·资源环境
出版日期:
2026-01-31

文章信息/Info

Title:
Effects of planting density on seed yield and quality formation of oilseed flax
作者:
马幸康1; 2; 高玉红1; 2; 吴兵1; 3; 王一帆1; 剡斌1; 2; 文明1; 2; 王海娣1; 2; 姜雪1; 2; 韩静1; 2
(1.干旱生境作物学国家重点实验室,甘肃兰州730070;2.甘肃农业大学农学院,甘肃兰州730070;3.甘肃农业大学生命科学技术学院,甘肃兰州730070)
Author(s):
MA Xingkang1; 2; GAO Yuhong1; 2; WU Bing1; 3; WANG Yifan1; YAN Bin1; 2; WEN Ming1; 2; WANG Haidi1; 2; JIANG Xue1; 2; HAN Jing1; 2
(1.State Key Laboratory of Aridland Crop Science, Lanzhou 730070, China;2.College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China;3.College of Life Science and Technology, Gansu Agricultural University, Lanzhou 730070, China)
关键词:
胡麻; 种植密度; 品种; 灌浆特性; 产量; 品质
Keywords:
oilseed flax; planting density; variety; seed filling characteristics; yield; quality
分类号:
S565.3
DOI:
doi:10.3969/j.issn.1000-4440.2026.01.006
文献标志码:
A
摘要:
为探索西北干旱半干旱区胡麻(Linum usitatissimum L.)优质高产栽培技术,通过田间二因素随机区组试验,比较分析了不同品种胡麻在不同种植密度下籽粒灌浆特性、产量及品质的差异。结果表明:胡麻分茎数、分枝数、每果籽粒数及单株粒重均随密度增加呈降低趋势,千粒重是籽粒产量形成的主要贡献因子,每1 hm25.4×106 株密度处理(D3)千粒重和籽粒产量较每1 hm23.0×106 株密度处理(D1)分别高3.20%和7.83%,这归因于较高密度种植提高了胡麻花后籽粒平均灌浆速率、最大灌浆速率。亚油酸和亚麻酸含量随种植密度增加而逐渐提升,改善了籽粒品质。本试验条件下晋亚10号具有灌浆优势,但籽粒库小是其限制因素,而定亚23号和轮选3号增加密度的潜力较大。
Abstract:
To explore high-yield and high-quality cultivation techniques for oilseed flax (Linum usitatissimum L.) in the arid and semi-arid regions of northwest China, a two-factor randomized block field experiment was conducted. This study analyzed the differences in seed filling characteristics, yield, and quality among different flax varieties under varying planting densities. The results showed that the number of stems, branches, seeds per boll, and seed weight per plant all decreased with increasing planting density. The 1 000-seed weight was the main contributing factor to seed yield formation. Compared with the density treatment of 3.0×106 plants per hectare (D1), the treatment with 5.4×106 plants per hectare (D3) exhibited a 3.20% higher 1 000-seed weight and a 7.83% higher seed yield. This was attributed to the higher planting density enhancing the average seed filling rate and the maximum filling rate after flowering. The contents of linoleic acid and linolenic acid gradually increased with higher planting density, improving seed quality. Under the experimental conditions, the variety Jinya 10 showed advantages in seed filling, but its small seed sink capacity was a limiting factor. In contrast, the varieties Dingya 23 and Lunxuan 3 demonstrated greater potential for yield increase under higher planting densities.

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备注/Memo

备注/Memo:
收稿日期:2025-02-16基金项目:甘肃省重大科技专项(23ZDNA008);技术创新引导计划-科技特派团专题(23CXNA0035);甘肃省教育科技创新产业支撑计划项目(2021CYZC-38);现代农业产业技术体系建设专项(CARS-14-1-16)作者简介:马幸康(1998-),男,甘肃张掖人,博士研究生,研究方向为作物栽培与生态生理。(E-mail)2642191954@qq.com通讯作者:高玉红,(E-mail)gaoyh@gsau.edu.cn
更新日期/Last Update: 2026-02-09