2017
DOI: 10.1017/s0021859617000600
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Nitrogen use efficiency in spring wheat: genotypic variation and grain yield response under sandy soil conditions

Abstract: SUMMARYAgricultural practices are likely to lower nitrogen (N) fertilization inputs for economic and ecological limitation reasons. The objective of the current study was to assess genotypic variation in nitrogen use efficiency (NUE) and related parameters of spring wheat (Triticum aestivum L.) as well as the relative grain yield performance under sandy soil conditions. A sub-set of 16 spring wheat genotypes was studied over 2 years at five N levels (0, 70, 140, 210 and 280 kg N/ha). Results indicated signific… Show more

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Cited by 36 publications
(45 citation statements)
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“…The various components of NUE are N uptakes by root, assimilation, and remobilization in the shoot. Reports in the literature suggest genetic variability in NUE in spring wheat [41]. In the present study, the nitrogen use efficient genotypes were HD 2967, DBW 39, RAJ 4037, and MACS 6478.…”
Section: Selection Of Promising Cultivars Based On Selection Indicessupporting
confidence: 55%
“…The various components of NUE are N uptakes by root, assimilation, and remobilization in the shoot. Reports in the literature suggest genetic variability in NUE in spring wheat [41]. In the present study, the nitrogen use efficient genotypes were HD 2967, DBW 39, RAJ 4037, and MACS 6478.…”
Section: Selection Of Promising Cultivars Based On Selection Indicessupporting
confidence: 55%
“…Screening breeding lines under low-N and high-N environments are critical to identifying N-efficient genotypes that will perform well under the lower N levels required to satisfy environmental concerns and prohibitive input costs. Cultivars with low N fertilizer requirements and high N absorption levels are needed for efficient N utilization (Le Gouis et al 2000;Mansour et al 2017). According to the different capacity of tolerance to low N fertilizers, genotypes can be defined as low-N sensitive, intermediate, and low-N tolerant types.…”
Section: The Classification Of N-efficient Genotypesmentioning
confidence: 99%
“…Furthermore, nitrogen as an essential nutrient needed by plants is much required for improved agronomy of Sudan grass under the agroclimatic and deprived soil conditions in dry areas [13]. Egypt agricultural soils are known for acute deficit in nitrogen content [14]. us, provision of the most adequate levels of N can be of great importance to profuse the growth and maximize the yield and quality components in Sudan grass.…”
Section: Introductionmentioning
confidence: 99%