Effects of Different Row-Plant Spacing Configurations on Lodging Resistance of Forage Sorghum

doi:10.11733/j.issn.1007-0435.2026.09.034

Acta Agrestia Sinica ›› 2026, Vol. 34 ›› Issue (9): 3505-3516.DOI: 10.11733/j.issn.1007-0435.2026.09.034

Effects of Different Row-Plant Spacing Configurations on Lodging Resistance of Forage Sorghum

GUO Peng-hui¹, KURBAN ZaiTuniGulir², GAO Jin-lan¹, GAO Wang¹, YU Yi¹, SAYIMU Nueraila¹, GAO Wang¹

1. College of Grassland Science, Xinjiang Agricultural University/Key Laboratory of Grassland Resources and Ecology in the Western Arid Desert Region, Ministry of Education, Urumqi, Xinjiang 830052, China;
2. Crop Research Institute, Xinjiang Academy of Agricultural Sciences, Urumqi, Xinjiang 830091, China

Received:2026-01-26 Revised:2026-03-23 Published:2026-09-11

不同株行配置对饲用甜高粱抗倒伏性能的影响

郭鹏辉¹, 再吐尼古丽·库尔班², 高金兰¹, 余亿¹, 努尔艾拉·萨依木¹, 高旺¹, 伊斯拉依·达吾提¹

1. 新疆农业大学草业学院/西部干旱荒漠区草地资源与生态教育部重点实验室, 新疆乌鲁木齐 830052;
2. 新疆维吾尔自治区农业科学院作物研究所, 新疆乌鲁木齐 830091

通讯作者: 伊斯拉依·达吾提, E-mail: 345589395@qq.com
作者简介:郭鹏辉(2000-),男,汉族,山西翼城人,硕士研究生,主要从事草产品加工与功能饲料开发研究,E-mail:19239990735@163.com
基金资助:
新疆维吾尔自治区重点研发项目“新疆特色杂粮绿色高产轻简化栽培技术研究与示范”（2025B02016-2）；2026年自治区高校基本科研业务费科研项目“同/异型乳酸菌调控甜高梁青贮有氧稳定性的机制研究”（XJEDU2026J054）资助

Abstract

Abstract: To optimize the lodging-resistant cultivation scheme for forage sweet sorghum （Sorghum bicolor （L.） Moench cv. ‘Jingxi’） in Kashi， Xinjiang， a split-plot design was used with two plant spacings （Z₁： 10 cm， Z₂： 20 cm） and six row spacing configurations （equal row spacing： 30， 40， 50 cm； wide-narrow row spacing： 20+40， 30+50， 40+60 cm）， resulting in 12 plant-row configuration treatments. Agronomic traits， stem chemical composition， stem mechanical strength， and field lodging rate were measured over two harvests. The results showed that plant–row configuration significantly affected lodging-related traits. Across both harvest s， equal row spacing of 50 cm and wide-narrow row spacing of 40+60 cm exhibited lower lodging rates. Among these， the equal row spacing of 50 cm （H₅） treatment produced the highest stem mechanical strength and the best accumulation of fiber components. Correlation analysis revealed fundamentally different lodging resistance mechanisms between the two stubbles： lodging resistance in the first stubble depended on the synergistic enhancement of stem diameter， wall thickness， and mechanical strength， whereas that in the second stubble relied on the accumulation of stem fiber components （acid detergent fiber， neutral detergent fiber， lignin） to maintain strength. Comprehensive evaluation of both stubbles indicated that the H5 configuration （equal row spacing of 50 cm）， whether combined with Z₁ or Z₂ plant spacing， significantly improved the overall lodging resistance of ‘Jingxi’ and was the optimal pattern under the experimental conditions. These findings provide a specific technical scheme and theoretical basis for lodging-resistant cultivation of forage sweet sorghum in arid regions.

Key words: Forage sorghum, Row-plant spacing configuration, Lodging resistance, Stem mechanical characteristics, Fiber components

摘要： 为优化新疆喀什地区饲用甜高粱（Sorghum bicolor （L.） Moench）抗倒伏栽培方案，本研究以品种‘惊喜’为材料，采用裂区设计，设置2种株距（Z₁：10 cm，Z₂：20 cm）与6种行距处理（等行距：30，40，50 cm，宽窄行：20+40，30+50，40+60 cm）共构成12种株行配置。测定两茬农艺性状、茎秆化学组成、茎秆机械强度及倒伏率。结果表明，株行配置显著影响甜高粱抗倒伏相关性状。在两茬处理中，等行距（50 cm）和宽窄行（40+60 cm）处理田间倒伏率较低；其中等行距50 cm（H₅）处理机械强度最高、纤维组分积累最优。相关性分析表明，第一茬抗倒伏主要依赖茎粗、壁厚与机械强度协同增强，第二茬则依靠纤维组分（ADF、NDF、木质素）积累。综合两茬评价得出：等行距H₅配置，无论是搭配Z₁还是Z₂株距，均可显著提升抗倒伏性能，是该试验条件下最优模式。本研究结果为干旱区饲用甜高粱抗倒栽培提供了具体的技术方案与理论依据。

关键词: 饲用甜高粱, 株行配置, 抗倒伏性能, 茎秆力学特性, 纤维组分

CLC Number:

S544.9

GUO Peng-hui, KURBAN ZaiTuniGulir, GAO Jin-lan, GAO Wang, YU Yi, SAYIMU Nueraila, GAO Wang. Effects of Different Row-Plant Spacing Configurations on Lodging Resistance of Forage Sorghum[J]. Acta Agrestia Sinica, 2026, 34(9): 3505-3516.

郭鹏辉, 再吐尼古丽·库尔班, 高金兰, 余亿, 努尔艾拉·萨依木, 高旺, 伊斯拉依·达吾提. 不同株行配置对饲用甜高粱抗倒伏性能的影响[J]. 草地学报, 2026, 34(9): 3505-3516.

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Effects of Different Row-Plant Spacing Configurations on Lodging Resistance of Forage Sorghum

不同株行配置对饲用甜高粱抗倒伏性能的影响

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