Mineral Nutrient Acquisition and Metabolism

Brouder, Sylvie M.; Volenec, Jeffrey J.

doi:10.1002/9781119436669.ch5

Cited by 5 publications

(2 citation statements)

References 80 publications

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“…The longer leaf length of accessions 62F and 19D (Table 2) might require higher nutrient or photoassimilate availability. These plants, under inadequate supply of any required nutrients can severely restrict normal plant growth and development (Brouder & Volenec, 2020), Still, they may also provide greater leaf area for increased light capture. According to Mitchell et al (2020), the increase in leaf length is accompanied by reduced growth in leaf width and thickness.…”

Section: Morphological Characteristicsmentioning

confidence: 99%

Morphological and productive characterization of Macroptilium lathyroides (L.) Urb. native to the semi-arid region of Brazil

Albuquerque,

Santos,

Angulo

et al. 2024

Agraria

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Fifteen accessions of Macroptilium lathyroides (L.) Urb. were collected in three semi-arid Brazilian municipalities and evaluated to characterize their morphology and yield in a greenhouse for three 60-day growth cycles. In the first two cycles, chlorophyll a and b, carotenoids, and soil plant analysis development index (SPAD) were estimated, and root dry mass was determined in the third cycle. Data were analyzed by analysis of variance and Kruskall-Wallis test when appropriate. Principal component analysis and clustering were performed for all accessions. Leaf length, leaf number, leaf mass and total aerial mass production differed between accessions and growth cycles. Root dry mass differed between accessions and SPAD index and stem dry mass between growth cycles. The first two principal components (representing 67% of the variation) generated three clusters based on leaf and leaflet length, plant height, and total aerial mass. The variation in plant height, leaf number, and leaf and total aerial mass in all accessions of M. lathyroides indicates that there is merit in collecting further germplasm of this species to support future breeding programs. Access 62F (Bom Jardim) stands out considering most of the morphological and productive.

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Section: Morphological Characteristicsmentioning

confidence: 99%

Morphological and productive characterization of Macroptilium lathyroides (L.) Urb. native to the semi-arid region of Brazil

Albuquerque,

Santos,

Angulo

et al. 2024

Agraria

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“…Legumes are able to fix atmospheric N due to their symbiotic relationship with Rhizobium bacteria and other pathways (Bottomley & Myrold, 2015). Nitrogen can be transferred from legumes to the soil through excreta of grazing herbivores (dos Santos et al., 2023), root exudates (rhizosphere enrichment; Brouder & Volenec, 2020), and by decomposition of aboveground litter and roots (da Silva et al., 2012). Legume litter often has lesser C:N ratio and greater N concentration than grasses and is often associated with a greater litter decomposition rate and N release (Kohmann et al., 2018).…”

Section: Introductionmentioning

confidence: 99%

Aeschynomene overseeding and nitrogen fertilization effects in bahiagrass litter decomposition

Garzon,

Vendramini,

Silveira

et al. 2024

Agronomy Journal

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Productivity of tropical and subtropical grasslands is often limited by inadequate nitrogen (N) supply. Aeschynomene (Aeschynomene americana L.) is a warm‐season legume that may contribute as N input in grazing systems, but there is limited information about aeschynomene litter decomposition and N dynamics on pastures. The objective of this study was to quantify the effect of overseeding aeschynomene or applying N fertilizer to existing bahiagrass (Paspalum notatum Flüggé) on litter disappearance and decomposition rates. The study was conducted in Ona, FL, from October 2019 to May 2020 and October 2020 to May 2021. Treatments were the split‐plot arrangement of bahiagrass‐aeschynomene or bahiagrass monoculture (main plot) and N fertilization level, (0 [control] or 60 kg N ha−1) as subplot, distributed in a randomized complete block design with four replicates. The nylon bag technique was used to estimate organic matter (OM), N and carbon (C) disappearance, and lignin concentration for 184 days of incubation. Bahiagrass‐aeschynomene had greater OM disappearance (from 330 to 356 g kg−1 OM) and was driven by C disappearance. Nitrogen fertilization did not impact litter decomposition responses, except for C:N ratio. Overseeding aeschynomene is an effective management practice to increase OM decomposition and optimize nutrient cycling in warm‐season pastures.

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Factors Influencing Yield and Quality in Alfalfa

Putnam

2021

The Alfalfa Genome

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Mineral Nutrient Acquisition and Metabolism

Cited by 5 publications

References 80 publications

Morphological and productive characterization of Macroptilium lathyroides (L.) Urb. native to the semi-arid region of Brazil

Morphological and productive characterization of Macroptilium lathyroides (L.) Urb. native to the semi-arid region of Brazil

Aeschynomene overseeding and nitrogen fertilization effects in bahiagrass litter decomposition

Factors Influencing Yield and Quality in Alfalfa

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