ArticleFrontiers in plant science2025
Nitrogen fertilization rates affect quality and curing characteristics of tobacco during the harvesting period under field chilling stress.
Article in Frontiers in plant science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Fertilizer placement modulates the effects of soil metabolite formulations on nutrient status, phenylpropanoid-flavonoid metabolism, and sensory quality in flue-cured tobacco.Frontiers in plant science · 2026Article
- Spatial distribution and driving factors of scalding tobacco risk in K326 flue-cured tobacco in Yunnan Province, China.Frontiers in plant science · 2026Article
- Dynamic transcriptome unveils transcriptional network associated with chlorophyll degradation in tobacco leaves under high humidity and temperature.Frontiers in plant science · 2026Article
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11 authors.
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Abstract
Introduction: Field chilling stress during the maturation phase significantly impairs tobacco productivity and leaf quality. Nitrogen (N) management is a crucial agronomic approach for enhancing leaf quality and curing attributes; however, its specific role under chilling stress conditions remains poorly understood. Methods: Field demonstrations employed 'Honghuadajinyuan' tobacco cultivar under varying N fertilization rates, i.e., T1 (18.9 kg N ha Results: Fresh tobacco quality, such as leaf tissue integrity, chloroplast pigment content, and antioxidant enzyme activities as well as curing characteristics (leaf moisture regulation capacity, pigment conversion efficiency, and antioxidant system stability) exhibited gradient pattern of T3 > T2 > T1, respectively. This trend was also reflected in carbon-nitrogen metabolic accumulation, economic traits, and sensory quality of cured tobacco leaves. T3 treatment application enhanced tobacco yield (7.35%) and economic value (43.97%) as compared to T2 treatment. Principal component analysis and multiple linear stepwise regressions revealed covariance structures among economic traits, sensory quality, and principal components Conclusions: Increasing N fertilization by 30% above the conventional rate mitigates the adverse effects of field chilling stress, leading to significant improvements in yield and quality of mature tobacco.
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