The concentration of bioactive compounds in Plantago lanceolata is genotype specific

Box, Lisa; Judson, H. G.

doi:10.33584/jnzg.2018.80.334

Cited by 8 publications

(6 citation statements)

References 13 publications

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“…Total herbage dry matter yields of bars with the same letters are not significantly different (p > 0.05). N. However, several studies showed that secondary metabolites with BNI capacity are produced by plantain and are present in above ground biomass and roots (Marak et al 2000;De Deyn et al 2009;Dietz et al 2013;Miehe-Steier et al 2015;Box and Judson 2018). Box and Judson (2018) reported for the plantain var.…”

Section: Mesocosm Experimentsmentioning

confidence: 99%

“…N. However, several studies showed that secondary metabolites with BNI capacity are produced by plantain and are present in above ground biomass and roots (Marak et al 2000;De Deyn et al 2009;Dietz et al 2013;Miehe-Steier et al 2015;Box and Judson 2018). Box and Judson (2018) reported for the plantain var. 'Hercules', used in our experiments, mean leaf concentrations of 39.1 mg g −1 DM verbascoside, 39.1 mg g −1 DM aucubin and <5 mg g −1 DM catalpol over a year on a silt loam soil in New Zealand.…”

Section: Mesocosm Experimentsmentioning

confidence: 99%

“…Possibly, in our experiment the level and heterogeneity of soil NO − 3 and NH + 4 concentrations were such that the potential effects of compounds with BNI capacity on these concentrations were too limited to be determined. Moreover, genotype may have played a role, since we used a different plantain variety than Dietz et al (2013) and concentrations of BNI compounds have been shown to be genotype specific (Box and Judson 2018).…”

Section: Mesocosm Experimentsmentioning

confidence: 99%

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Can the presence of plantain (Plantago lanceolataL.) improve nitrogen cycling of dairy grassland systems on peat soils?

Pijlman

Berger

Lexmond

et al. 2019

New Zealand Journal of Agricultural Research

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Reactive nitrogen (N) losses, and in particular nitrous oxide losses, from dairy grasslands on peat soils are generally high as a result of relative high soil organic matter contents, potential N mineralisation rates and shallow groundwater levels. Effects of the inclusion of the temperate forage species plantain (Plantago lanceolata L.) (PL), which produces secondary compounds with biological nitrification inhibition capacity, on the fate of soil mineral N were studied in a combined mesocosm and field experiment. The experiments comprised four treatments differing in intentional herbage share of plantain versus perennial ryegrass (Lolium perenne L.) (100%PL, 66%PL, 33%PL and 0%PL). Potential nitrification in the mesocosm experiment was significantly lower at 100%PL versus 0%PL (p = 0.018), but soil nitrate concentrations were not. Nitrous oxide fluxes reduced by 39% (p = 0.021) in the presence of plantain in the field experiment, without an obvious link to the quantity of plantain. N use efficiency of plantain tended to increase with the quantity of plantain in the sward in the mesocosm experiment (p = 0.098), but not in the field experiment. Our results suggest that the presence of plantain can affect the fate of soil mineral N of dairy grasslands on peat soils. ARTICLE HISTORY

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Section: Mesocosm Experimentsmentioning

confidence: 99%

Section: Mesocosm Experimentsmentioning

confidence: 99%

Section: Mesocosm Experimentsmentioning

confidence: 99%

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Can the presence of plantain (Plantago lanceolataL.) improve nitrogen cycling of dairy grassland systems on peat soils?

Pijlman

Berger

Lexmond

et al. 2019

New Zealand Journal of Agricultural Research

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“…The mechanisms driving increased diuresis by sheep fed both plantain breeding lines and "Ecotains" are unclear, but may be related to the presence of secondary compounds in the feed. The presence of secondary plant compounds in plantain herbage is genotype specific (Al-Mamun et al 2008;Box & Judson 2018) providing a possible explanation for the differences in urine volume among the genotypes evaluated here. These results suggest that selection of specific plantain genotypes may reduce urinary N concentration by increasing urine volume thereby diluting urinary N, and reducing the risk of N leaching from grazing systems.…”

Section: Diuretic Potencymentioning

confidence: 81%

Specific genotypes of plantain (Plantago lanceolata) vary in their impact on sheep urine volume and nitrification in the urine patch

Judson¹,

Fraser²,

Peterson³

et al. 2018

Journal of NZ Grasslands

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Plantain has the potential to reduce nitrate leaching through a number of mechanisms. In an indoor study, sheep were offered either perennial ryegrass or different plantain genotypes while aiming to achieve similar dry matter and water intakes. Supplementary water was sprayed on the feed to achieve the latter objective. Animals fed two cultivars (‘Tonic’ and ‘Agritonic’, marketed as “Ecotains” with claims around the potential to reduce nitrate leaching, and breeding lines (from a breeding program aimed at improving aspects of leaching mitigation) produced significantly more urine (4925 and 4887 ml/day, respectively) than those fed a range of commercial plantain cultivars (averaging 4333 ml/day) or perennial ryegrass (3993 ml/day). These results suggest the plantains marketed as “Ecotains” and those in the environmental breeding program may have diuretic effects on sheep, thereby reducing the concentration of nitrogen in the urine. In a soil incubation experiment, urine from sheep grazing either perennial ryegrass or ‘Agritonic’ plantain was applied to soil microcosms (70 ml vials containing 20 g of soil). Urine from sheep grazing the plantain, showed a slower overall nitrification rate (especially in the first 28 days post-application) when a significantly lower proportion of the urinary N was converted to nitrate. Both these observations support the use of specific genotypes of plantain to assist in reducing nitrate leaching.

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“…Finally, significant differences in nitrate produced in soil microcosms treated with urine from sheep grazing different PL cultivars have been observed, particularly in the early phase of the incubation (Fraser et al, 2018; Peterson et al, 2023b; Figure 2). These differences are thought to be related to the concentrations of bioactive compounds in the leaf material at the time of consumption, which are known to vary with cultivar and season (Box & Judson, 2018). The compounds responsible for this urine‐derived inhibition, along with the mechanism by which they delay nitrification are yet to be confirmed.…”

Section: Soil N Processingmentioning

confidence: 99%

Implementing plantain (Plantago lanceolata) to mitigate the impact of grazing ruminants on nitrogen losses to the environment: A review

Pinxterhuis,

Judson,

Peterson

et al. 2024

Grass and Forage Science

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Urine patches from grazing ruminants contain high concentrations of nitrogen (N) and are the main source of N leaching from grazed pastoral farming systems. While there have been various options identified to substantially reduce N leaching, in general these practices increase the cost of production or reduce production per hectare. In New Zealand, multi‐species pastures were evaluated as a cheaper option that would potentially retain productivity. Early research showed these pastures had lower urinary N excretion from grazing animals and increased plant N uptake, compared with standard New Zealand perennial ryegrass/white clover (PR‐WC) pastures. Further research highlighted the beneficial attributes of the pasture herb narrow‐leaved plantain (Plantago lanceolata; PL), specifically: reduced urine N concentration, reduced urine N excretion, and reduced rate of soil nitrification. Significant reductions (14%–89%) in N leaching were found from cow urine applied to lysimeters with pastures including PL, compared with PR‐WC pasture. Paddock‐scale measurements confirmed the effects of PL, with 20%–60% lower N leaching when PL comprised 30%–40% of the dry matter (DM) of PL‐PR‐WC grazed pastures. There were no negative effects on milk production and composition when feeding PL to dairy cows, but small positive effects on fatty acid profiles. However, weed and pest management, palatability and persistence remain challenging in pastures containing PL on commercial farms. Management options need to be clarified to ensure successful establishment and maintenance of PL. Additionally, the cultivar differences in secondary compounds and their impact on nitrification rate and N leaching need to be better understood.

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The concentration of bioactive compounds in Plantago lanceolata is genotype specific

Cited by 8 publications

References 13 publications

Can the presence of plantain (Plantago lanceolataL.) improve nitrogen cycling of dairy grassland systems on peat soils?

Can the presence of plantain (Plantago lanceolataL.) improve nitrogen cycling of dairy grassland systems on peat soils?

Specific genotypes of plantain (Plantago lanceolata) vary in their impact on sheep urine volume and nitrification in the urine patch

Implementing plantain (Plantago lanceolata) to mitigate the impact of grazing ruminants on nitrogen losses to the environment: A review

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