Molecular Breeding for Improving Nitrogen Use Efficiency in Rice: Progress and Perspectives

Neeraja, C. N.; Voleti, S. R.; Subrahmanyam, D.; Kuchi, Surekha; Bej, Sonali; Talapanti, Krishnakanth; Puskur, Raghuveer R.

doi:10.1002/9781119633174.ch12

Cited by 3 publications

(2 citation statements)

References 61 publications

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“…Since the green revolution, fertilizer application is essential due to the unintentional emergence of fertilizer-responsive, high-yielding semi-dwarf rice cultivars ( Neeraja et al., 2021 ). Reported poor nutrient use efficiencies in rice, with 30−50% for nitrogen, 30% for phosphorous, and 26% for potassium.…”

Section: Physiological and Molecular Implications Of Individual Stres...mentioning

confidence: 99%

Physiological and molecular implications of multiple abiotic stresses on yield and quality of rice

et al. 2023

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Abiotic stresses adversely affect rice yield and productivity, especially under the changing climatic scenario. Exposure to multiple abiotic stresses acting together aggravates these effects. The projected increase in global temperatures, rainfall variability, and salinity will increase the frequency and intensity of multiple abiotic stresses. These abiotic stresses affect paddy physiology and deteriorate grain quality, especially milling quality and cooking characteristics. Understanding the molecular and physiological mechanisms behind grain quality reduction under multiple abiotic stresses is needed to breed cultivars that can tolerate multiple abiotic stresses. This review summarizes the combined effect of various stresses on rice physiology, focusing on grain quality parameters and yield traits, and discusses strategies for improving grain quality parameters using high-throughput phenotyping with omics approaches.

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Section: Physiological and Molecular Implications Of Individual Stres...mentioning

confidence: 99%

Physiological and molecular implications of multiple abiotic stresses on yield and quality of rice

et al. 2023

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“…The number of productive tillers is influenced by environmental factors, particularly soil N concentrations during the early phases of tiller bud formation [ 36 ]. Adequate N supply is crucial for the grain development of rice and the increase in filled grains per panicle [ 37 ].…”

Section: Nitrogen Functions and Nitrogen Deficiency Symptomsmentioning

confidence: 99%

Improving Nitrogen Use Efficiency in Rice for Sustainable Agriculture: Strategies and Future Perspectives

Wang¹,

Zhou²,

Guo

et al. 2022

Life

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Nitrogen (N) is an important nutrient for the growth and development of rice. The application of N fertilizer has become one of the inevitable ways to increase rice yield due to insufficient soil N content. However, in order to achieve stable and high yield, farmers usually increase N fertilizer input without hesitation, resulting in a series of problems such as environmental pollution, energy waste and low production efficiency. For sustainable agriculture, improving the nitrogen use efficiency (NUE) to decrease N fertilizer input is imperative. In the present review, we firstly demonstrate the role of N in mediating root architecture, photosynthesis, metabolic balance, and yield components in rice. Furthermore, we further summarize the current agronomic practices for enhancing rice NUE, including balanced fertilization, the use of nitrification inhibitors and slow-release N fertilizers, the split application of N fertilizer, root zone fertilization, and so on. Finally, we discuss the recent advances of N efficiency-related genes with potential breeding value. These genes will contribute to improving the N uptake, maintain the N metabolism balance, and enhance the NUE, thereby breeding new varieties against low N tolerance to improve the rice yield and quality. Moreover, N-efficient varieties also need combine with precise N fertilizer management and advanced cultivation techniques to realize the maximum exploitation of their biological potential.

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Genes for NUE in rice: a way forward for molecular breeding and genome editing

Neeraja

Barbadikar

Mangrauthia

et al. 2021

Plant Physiol. Rep.

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Molecular Breeding for Improving Nitrogen Use Efficiency in Rice: Progress and Perspectives

Cited by 3 publications

References 61 publications

Physiological and molecular implications of multiple abiotic stresses on yield and quality of rice

Physiological and molecular implications of multiple abiotic stresses on yield and quality of rice

Improving Nitrogen Use Efficiency in Rice for Sustainable Agriculture: Strategies and Future Perspectives

Genes for NUE in rice: a way forward for molecular breeding and genome editing

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