Competition for Light Interception in Different Plant Canopy Characteristics of Diverse Cotton Cultivars
文献类型: 外文期刊
第一作者: Sultana, Fahmida
作者: Sultana, Fahmida;Dev, Washu;Xin, Minghua;Han, Yingchun;Feng, Lu;Lei, Yaping;Yang, Beifang;Wang, Guoping;Li, Xiaofei;Wang, Zhanbiao;Xing, Fangfang;Xiong, Shiwu;Li, Yabing;Feng, Lu;Wang, Zhanbiao;Li, Yabing
作者机构:
关键词: cotton cultivars; cotton canopy structures; light interception; yield
期刊名称:GENES ( 影响因子:3.5; 五年影响因子:3.9 )
ISSN:
年卷期: 2023 年 14 卷 2 期
页码:
收录情况: SCI
摘要: Identifying the ideal plant nature and canopy structure is of great importance for improving photosynthetic production and the potential action of plants. To address this challenge, an investigation was accomplished in 2018 and 2019 at the Institute of Cotton Research (ICR) of the Chinese Academy of Agricultural Science (CAAS), Henan Province, China. Six cotton varieties with diverse maturities and plant canopy structures were used to evaluate the light interception (LI) in cotton, the leaf area index (LAI), the biomass, and the yield throughout the two years of study. The light spatial distribution in the plant canopy was evaluated using a geographic statistical method, following the increasing quantity of radiation intercepted, which was determined using the rules of Simpson. Compared to the cotton plants with a compact structure, varieties with both a loose and tower design captured a comparatively higher amount of light (average 31.3%) and achieved a higher LAI (average 32.4%), eventually achieving a high yield (average 10.1%). Furthermore, the polynomial correlation revealed a positive relationship between the biomass accumulation in the reproductive parts and canopy-accrued light interception (LI), signifying that light interception is critical for the yield development of cotton. Furthermore, when the leaf area index (LAI) was peaked, radiation interception and biomass reached the highest during the boll-forming stage. These findings will provide guidance on the light distribution in cotton cultivars with an ideal plant structure for light capture development, providing an important foundation for researchers to better manage light and canopies.
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