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

文献类型： 外文期刊

第一作者： Ye, Sihong

作者： Ye, Sihong;Liu, Fei;Deng, Xiaonan;Han, Wenbing;Wang, Wei;Gao, Jin;Sun, Jianxiong;Pan, Zongjin;Yang, Hua;Wang, Wei;Wang, Baohua

作者机构：

关键词： cotton; chemical regulation; fiber quality; growth; yield

期刊名称：NOTULAE BOTANICAE HORTI AGROBOTANICI CLUJ-NAPOCA （ 影响因子：1.3； 五年影响因子：1.5 ）

ISSN： 0255-965X

年卷期： 2024 年 52 卷 3 期

页码：

收录情况： SCI

摘要： 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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