ArticleFrontiers in plant science2026
Effects of foliar nitrogen application on morphological and physiological characteristics in newly emerged leaves of
Article in Frontiers in plant science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Bamboo growth is highly nitrogen-dependent, particularly during the branch and leaf extension phase. Foliar nitrogen application offers a precise and efficient alternative to soil fertilization. However, little is known about its effects on the growth and physiology of developing leaves in bamboos. Methods: In this study, different concentrations of urea (1%, 2%, 3%, 4%, and 5%) were applied to the newly emerged leaves of Results: The foliar application of 0.3% urea significantly enhanced leaf development, as evidenced by increased leaf length, width, and thickness. It also boosted the content of photosynthetic pigments and the activities of sugar-metabolizing enzymes, leading to greater photoassimilate accumulation. Concurrently, it elevated the activities of antioxidant enzymes (superoxide dismutase, catalase, and peroxidase), which reduced the levels of hydrogen peroxide and malondialdehyde. Discussion: These findings indicate that moderate foliar urea application enhances leaf development and stress tolerance in
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