Effects of chemical regulation on the growth, yield and fiber quality of cotton varieties with different plant architectures

Authors

  • Sihong YE Institute of Industrial Crops, Anhui Academy of Agricultural Sciences, Hefei 230001 (CN)
  • Jin GAO Jiangsu Coastal Area Institute of Agricultural Sciences/State Key Laboratory of Cotton Biology/Collaborative Innovation Center for Modern Crop Production Co-sponsored by Province and Ministry, Yancheng 224002 (CN)
  • Jiangxiong SUN Jiangsu Coastal Area Institute of Agricultural Sciences/State Key Laboratory of Cotton Biology/Collaborative Innovation Center for Modern Crop Production Co-sponsored by Province and Ministry, Yancheng 224002 (CN)
  • Zongjin PAN Jiangsu Coastal Area Institute of Agricultural Sciences/State Key Laboratory of Cotton Biology/Collaborative Innovation Center for Modern Crop Production Co-sponsored by Province and Ministry, Yancheng 224002 (CN)
  • Fei LIU Institute of Industrial Crops, Anhui Academy of Agricultural Sciences, Hefei 230001 (CN)
  • Xiaonan DENG Institute of Industrial Crops, Anhui Academy of Agricultural Sciences, Hefei 230001 (CN)
  • Wenbing HAN Institute of Industrial Crops, Anhui Academy of Agricultural Sciences, Hefei 230001 (CN)
  • Hua YANG Jiangsu Coastal Area Institute of Agricultural Sciences/State Key Laboratory of Cotton Biology/Collaborative Innovation Center for Modern Crop Production Co-sponsored by Province and Ministry, Yancheng 224002 (CN)
  • Baohua WANG Nantong University, School of Life Sciences, Nantong 226019 (CN)
  • Wei Wang Institute of Industrial Crops, Anhui Academy of Agricultural Sciences, Hefei 230001; Jiangsu Coastal Area Institute of Agricultural Sciences/State Key Laboratory of Cotton Biology/Collaborative Innovation Center for Modern Crop Production Co-sponsored by Province and Ministry, Yancheng 224002 (CN)

DOI:

https://doi.org/10.15835/nbha52313393

Keywords:

cotton, chemical regulation, fiber quality, growth, yield

Abstract

Chemical regulation has beneficial effects on the growth, yield, and fiber quality of cotton with different plant architectures. This study aimed to investigate the combined effects of chemical regulators such as mepiquat chloride (1,1-dimethyl-piperidiniuchloride, DPC), chlormequat chloride (CCC), thidiazuron (TDZ), and ethephon (ETH) during the growth period of cotton. Different combinations of chemical regulators were applied to examine the growth, development, yield, and quality of cotton. The results showed that the application of different chemical regulators had varying effects on the yields of the two cotton varieties with distinct plant architecture. Specifically, K1C1 (before and after topping with 1:1 25% DPC, 50% TDZ, and 40% ETH) and K2C2 (before topping with 25% DPC and after topping with 50% CCC, 50% TDZ, and 40% ETH) were sprayed on ‘Wankemian-1’ and ‘Wanmian-191’, thereby increasing the cotton yield. The K2C2 treatment increased the upper half mean length and fiber strength of the two varieties but decreased the fiber length uniformity index. The fiber strength, fiber length uniformity index, and spinning consistency index of ‘Wankemian-1’ were higher than those of ‘Wanmian-191’. Based on comprehensive yield, quality, and economic benefits, K1C1 and K2C2 were determined to be the most effective chemical regulators of ‘Wankemian-1’ and ‘Wanmian-191’, respectively.

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Published

2024-09-06

How to Cite

YE, S., GAO, J., SUN, J., PAN, Z., LIU, F., DENG, X., HAN, W., YANG, H., WANG, B., & Wang, W. (2024). Effects of chemical regulation on the growth, yield and fiber quality of cotton varieties with different plant architectures. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 52(3), 13393. https://doi.org/10.15835/nbha52313393

Issue

Vol. 52 No. 3 (2024)

Section

Research Articles
CITATION
DOI: 10.15835/nbha52313393

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Copyright (c) 2024 Sihong Ye, Zongjin Pan, Jiangxiong Sun, Jin Gao, Fei Liu, Xiaonan Deng, Wenbing Han, Hua Yang, Baohua Wang, Wei Wang

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