ArticlePlants (Basel, Switzerland)2024
The Physiological Basis of Alfalfa Plant Height Establishment.
Article in Plants (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Integrating morphological and molecular characterization to reveal genetic diversity and breeding potential in Turkish local alfalfa (Medicago sativa L.) populations.Scientific reports · 2026Article
- Comparative transcriptome analysis provides insights into the dwarfing mechanism of pear trees.BMC genomic data · 2026Article
- Identification of high-yielding and stable Egyptian soybean genotypes for breeding across varied environments.BMC plant biology · 2026Article
- UAV image-derived canopy traits for predicting alfalfa fall dormancy and forage yield in Mediterranean environments.Frontiers in plant science · 2026Article
- Large-scale analysis of MYB genes in Cucurbitaceae identifies a novel gene regulating plant height.Horticulture research · 2025Article
- PCA-Driven Multivariate Trait Integration in Alfalfa Breeding: A Selection Model for High-Yield and Stable Progenies.Plants (Basel, Switzerland) · 2025Article
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Authors and funding
7 authors.
Funding
Abstract
Plant height plays an important role in crop yield, product quality, and cultivation management. However, the physiological mechanisms that regulate the establishment of plant height in alfalfa plants remain unclear. Herein, we measured plant height traits, leaf characteristics, photosynthetic physiology, cell wall composition, and endogenous hormone contents of tall- and short-stalked alfalfa materials at different reproductive periods. We analyzed the physiology responsible for differences in plant height. The results demonstrated that the number of internodes in tall- and short-stalked alfalfa materials tended to converge with the advancement of the fertility period. Meanwhile, the average internode length (IL) of tall-stalked materials was significantly higher than that of short-stalked materials at different fertility periods, with internode length identified as the main trait determining the differences in alfalfa plant height. Leaf characteristics, which are closely related to photosynthetic capacity, are crucial energy sources supporting the expression of plant height traits, and we found that an increase in the number of leaves contributed to a proportional increase in plant height. Additionally, a significant positive correlation was observed between plant height and leaf dry weight per plant during the branching and early flowering stages of alfalfa. The leaves of alfalfa affect plant height through photosynthesis, with the budding stage identified as the key period for efficient light energy utilization. Plant height at the budding stage showed a significant positive correlation with soluble sugar (SS) content and a significant negative correlation with intercellular CO
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