Effects of equal nitrogen applied with urease inhibitor on cotton growth, yield, and quality under mulched drip irrigation

doi:10.6048/j.issn.1001-4330.2024.09.004

Xinjiang Agricultural Sciences ›› 2024, Vol. 61 ›› Issue (9): 2103-2111.DOI: 10.6048/j.issn.1001-4330.2024.09.004

• Crop Genetics and Breeding·Germplasm Resources·Molecular Genetics·Cultivation Physiology·Physiology and Biochemistry • Previous Articles Next Articles

Effects of equal nitrogen applied with urease inhibitor on cotton growth, yield, and quality under mulched drip irrigation

ZHANG Zehua(), YE Hanchun(), WANG Zhenhua, LI Wenhao, LI Haiqiang, LIU Jian

College of Water Conservancy and Architecture Engineering, Shihezi University / Key Laboratory of Modern Water-Saving Irrigation of Xijiang Production and Construction Corps / Key Laboratory of Northwest Oasis Water-Saving Agriculture, Ministry of Agriculture and Rural Affairs, Shihezi Xinjiang 832000, China

Received:2024-03-07 Online:2024-09-20 Published:2024-10-09
Correspondence author: YE Hanchun
Supported by:
Corps major scientific and technological projets(2021AA003-1);National‘14th Five-Year’key research and development plan project(2022YFD1900405);Shihezi University high-level talent research start-up project(2022CK009);National‘14th Five-Year’key R & D plan project(2021YFD1900802-2);Shihezi University Science and Technology Commissioner Team Service Project(KJTP202310)

等氮配施脲酶抑制剂对滴灌棉花生长发育和产量及品质的影响

张泽华(), 叶含春(), 王振华, 李文昊, 李海强, 刘健

石河子大学水利建筑工程学院/现代节水灌溉兵团重点实验室/农业农村部西北绿洲节水农业重点实验室,新疆石河子 832000

通讯作者: 叶含春
作者简介:张泽华(1996-),男,辽宁人,硕士研究生,研究方向为干旱区水肥调控方向,(E-mail)luckyzzh2022@163.com
基金资助:
新疆生产建设兵团重大科技项目(2021AA003-1);“十四五”国家重点研发计划课题(2022YFD1900405);石河子大学高层次人才科研启动项目(2022CK009);“十四五”国家重点研发计划专题(2021YFD1900802-2);石河子大学科技特派员团队服务项目(KJTP202310)

Abstract

Abstract:

【Objective】 The aim of this study is to clarify the response of equal nitrogen applied with urease inhibitor Acetohydroxamic acid (AHA) on cotton growth, development, yield, and quality mulched drip irrigation in order to provide a theoretical basics for efficient and reasonable nitrogen management of cotton. 【Methods】 Field experiments were conducted by using Xinluzao 42 under four kinds of AHA addition ratios (the addition amount was 0% of the nitrogen application amount (U), the addition amount was 1% of the nitrogen application amount (U + UI_1%), the addition amount was 2% of the nitrogen application amount (U + UI_2%) and the addition amount was 5% of the nitrogen application amount (U + UI_5%). 【Results】 Compared with U, AHA significantly improved the physiological growth of cotton at flowering stage, bolling stage and full boll stage. Plant height, stem diameter, leaf area index, net photosynthetic rate, transpiration rate and stomatal conductance in the key period (flowering stage, bolling stage and full boll stage) was U + UI_2% > U + UI_1% > U + UI_5% treatment. The seed cotton yield of U + UI_1%, U + UI_2% and U + UI_5% treatments was significantly higher than that of U by 4.59%, 9.18% and 4.65%, and there was significant difference between U + UI_2% and other treatments (P < 0.05). There was no significant difference in cotton quality among different treatments (P > 0.05). Correlation analysis showed that there was the largest positive correlation between net photosynthetic rate of leaves and seed cotton yield, and there was a negative correlation between single boll weight and seed cotton yield. 【Conclusion】 The U + UI_2% treatment of urea combined with 2 % nitrogen application AHA shows the best performance in cotton growth, physiology and yield, which is the best choice for high stability nitrogen application of drip irrigation cotton. The results will provide data support and theoretical reference for efficient management of drip irrigation cotton nitrogen fertilizer in Xinjiang.

Key words: cotton; urease inhibitor; physiological growth; yield; quality

摘要：

【目的】研究滴灌棉花生长发育及产量品质对等氮配施脲酶抑制剂乙酰氧肟酸(AHA)的响应特征,为滴灌棉花高效合理的氮肥管理提供依据。【方法】以新陆早42号为材料,设置施氮量0%(U)、施氮量1%(U+UI_1%)、施氮量2%(U+UI_2%)和施氮量5%(U+UI_5%),4种AHA添加比例进行棉花田间试验。【结果】与U处理相比,添加AHA显著提高了棉花在花期、结铃期、盛铃期的生理生长,株高、茎粗、叶面积指数(LAI)、净光合速率、蒸腾速率和气孔导度总体表现为U+UI_2%>U+UI_1%>U+UI_5%。U+UI_1%、U+UI_2%、U+UI_5%处理的籽棉产量较U处理分别显著提高4.59%、9.18%和4.65%,且U+UI_2%处理与其他处理均有显著差异(P<0.05)。不同处理棉花品质均无显著差异(P>0.05)。叶片净光合速率与棉花籽棉产量间呈最大正相关,棉花单铃重与籽棉产量呈负相关。【结论】尿素配施2%施氮量AHA的U+UI_2%处理在棉花生长、生理和产量方面均表现最优,为滴灌棉花高稳定性氮素施配的最佳选择。

关键词: 棉花, 脲酶抑制剂, 生理生长, 产量, 品质

CLC Number:

S562

ZHANG Zehua, YE Hanchun, WANG Zhenhua, LI Wenhao, LI Haiqiang, LIU Jian. Effects of equal nitrogen applied with urease inhibitor on cotton growth, yield, and quality under mulched drip irrigation[J]. Xinjiang Agricultural Sciences, 2024, 61(9): 2103-2111.

张泽华, 叶含春, 王振华, 李文昊, 李海强, 刘健. 等氮配施脲酶抑制剂对滴灌棉花生长发育和产量及品质的影响[J]. 新疆农业科学, 2024, 61(9): 2103-2111.

Figures/Tables 8

References 28

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深度 Depth (cm)	田间持水率 Soil field capacity (g/g)	全氮 Total nitrogen (g/kg)	全磷 Total phosphorus (g/kg)	全钾 Soil total potassium (g/kg)	速效磷 Available phosphorus (mg/kg)	速效钾 Available potassium (mg/kg)	pH值 pH value
0~20	18.21%	0.80	0.96	7.6	33.42	422.13	7.66
20~40	18.84%	0.91	0.95	8.7	28.14	401.89	7.67

深度 Depth (cm)	田间持水率 Soil field capacity (g/g)	全氮 Total nitrogen (g/kg)	全磷 Total phosphorus (g/kg)	全钾 Soil total potassium (g/kg)	速效磷 Available phosphorus (mg/kg)	速效钾 Available potassium (mg/kg)	pH值 pH value
0~20	18.21%	0.80	0.96	7.6	33.42	422.13	7.66
20~40	18.84%	0.91	0.95	8.7	28.14	401.89	7.67

处理 Treatments	收获株数 Number of harvesteplants (10⁴ plant/hm²)	单株结铃数 Number of bolls per plant	单铃重 Boll weight (g/boll)	衣分 Lint Percentage (%)	籽棉产量 Seed cotton yield (kg/hm²)
U	23.25±0.50^a	5.54±0.13^c	5.29±0.06^a	44.61±1.27^a	5 090.15±43.69^c
U+UI_1%	23.33±0.52^a	5.74±0.05^b	5.26±0.11^a	45.42±2.52^a	5 323.75±53.25^b
U+UI_2%	23.75±0.50^a	6.08±0.10^a	5.29±0.03^a	45.56±1.20^a	5 557.23±61.42^a
U+UI_5%	23.25±0.66^a	5.81±0.07^b	5.15±0.09^a	43.61±1.45^a	5 326.60±73.76^b

处理 Treatments	收获株数 Number of harvesteplants (10⁴ plant/hm²)	单株结铃数 Number of bolls per plant	单铃重 Boll weight (g/boll)	衣分 Lint Percentage (%)	籽棉产量 Seed cotton yield (kg/hm²)
U	23.25±0.50^a	5.54±0.13^c	5.29±0.06^a	44.61±1.27^a	5 090.15±43.69^c
U+UI_1%	23.33±0.52^a	5.74±0.05^b	5.26±0.11^a	45.42±2.52^a	5 323.75±53.25^b
U+UI_2%	23.75±0.50^a	6.08±0.10^a	5.29±0.03^a	45.56±1.20^a	5 557.23±61.42^a
U+UI_5%	23.25±0.66^a	5.81±0.07^b	5.15±0.09^a	43.61±1.45^a	5 326.60±73.76^b

项目 Items	籽棉产量 Seed cotton yield	净光合速率 Pn	单铃重 Signal Boll weight	铃数 Number of bolls	株高 Plant height	地上部生物量 Above-ground biomass	叶面积指数 LAI	茎粗 Stem diameter
籽棉产量 Seed cotton yield	1
净光合速率Pn	0.882^**	1
单铃重 Signal Boll weight	-0.158	0.175	1
铃数Number of bolls	0.860^**	0.896^**	0.137	1
株高Plant height	0.871^**	0.798^**	0.013	0.845^**	1
地上部生物量 Above-ground biomas	0.712^**	0.777^**	0.227	0.859^**	0.744^**	1
叶面积指数LAI	0.603^*	0.687^*	0.041	0.652^*	0.415	0.483	1
茎粗Stem diameter	0.758^**	0.785^**	-0.109	0.814^**	0.796^**	0.680^*	0.680^*	1

Effects of equal nitrogen applied with urease inhibitor on cotton growth, yield, and quality under mulched drip irrigation

等氮配施脲酶抑制剂对滴灌棉花生长发育和产量及品质的影响

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References 28

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Metrics

处理 Treat- ments	马克隆值 Macronaire	整齐度 Evenness degree (%)	断裂比强度 Fiber strength (cN/tex)	伸长率 Elongation (%)
U	5.0±0.13^a	81.0±4.2^a	29.1±1.5^a	5.4±0.12^a
U+UI_1%	4.9±0.03^a	82.6±5.6^a	32.1±2.1^a	5.5±0.10^a
U+UI_2%	5.0±0.21^a	81.5±5.7^a	29.4±1.1^a	5.5±0.11^a
U+UI_5%	4.9±0.11^a	81.5±6.3^a	29.0±1.6^a	5.5±0.21^a

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