ArticleFrontiers in plant science2014
Effects of high NH(+) 4 on K(+) uptake, culm mechanical strength and grain filling in wheat.
Article in Frontiers in plant science, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Ammonia as a parameter shaping habitability on icy moons.FEMS microbes · 2026Review
- Non-Invasive Micro-Test Technology in Plant Physiology Under Abiotic Stress: From Mechanism to Application.Plants (Basel, Switzerland) · 2025Review
- Nitrate Modulates Fruit Lignification by RegulatingInternational journal of molecular sciences · 2025Article
- Differences in Physicochemical Properties of Stems in Oat (Plants (Basel, Switzerland) · 2024Article
- Determination of optimal NHFrontiers in plant science · 2023Article
- Differential Effects of Ammonium (NHPlants (Basel, Switzerland) · 2022Article
- Soiltesting formula fertilization with organic fertilizer addition for target yield cannot stand long due to stem lodging of rice.Frontiers in plant science · 2022Article
- Syringic Acid Alleviates Cesium-Induced Growth Defect inInternational journal of molecular sciences · 2020Article
- Agro-Techniques for Lodging Stress Management in Maize-Soybean Intercropping System-A Review.Plants (Basel, Switzerland) · 2020Review
- Lowering Nitrogen and Increasing Potassium Application Level Can Improve the Yield and Quality ofFrontiers in plant science · 2020Article
- Article
- Improving Lodging Resistance: Using Wheat and Rice as Classical Examples.International journal of molecular sciences · 2019Review
- Growth, photosynthesis, and nutrient uptake in wheat are affected by differences in nitrogen levels and forms and potassium supply.Scientific reports · 2019Article
- Lignins: Biosynthesis and Biological Functions in Plants.International journal of molecular sciences · 2018Review
- Excessive nitrogen application dampens antioxidant capacity and grain filling in wheat as revealed by metabolic and physiological analyses.Scientific reports · 2017Article
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Authors and funding
9 authors.
Funding
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Abstract
It is well established that a high external NH(+) 4 concentration depresses many processes in plant development, but the underlying mechanisms are still not well understood. To determine whether the negative effects of high levels of NH(+) 4 are related to competitive cation uptake, wheat was grown in a field with moderate (18 g N m(-2)) and high (30 g N m(-2)) supplies of NH(+) 4 in the presence or absence of additional K(+) (6 g K2O m(-2)) to examine culm mechanical strength, the main components of the vascular bundle, nitrogen (N) remobilization and the grain-filling rate. The results indicated that an excessive supply of NH(+) 4 significantly decreased culm mechanical strength, the cellulose and lignin contents of vascular bundles, the N remobilization efficiency (NRE) and the grain-filling rate compared with a moderate level of NH(+) 4. The additional provision of K(+) considerably alleviated these negative effects of high NH(+) 4, resulting in a 19.41-26.95% increase in culm mechanical strength during grain filling and a 34.59% increase in the NRE. An assay using the scanning ion-selective electrode technique (SIET) showed that the net rate of transmembrane K(+) influx decreased by 84.62%, and measurements using flame photometry demonstrated that the K(+) content decreased by 36.13% in wheat plants subjected to high NH(+) 4. This study indicates that the effects of high NH(+) 4 on culm mechanical strength, cellulose and lignin contents, the NRE and the grain-filling rate are probably associated with inhibition of K(+) uptake in wheat.
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