Morphological and physiological responses of the invasive weed Isatis tinctoria to contrasting light, soil-nitrogen and water
We evaluated the morphological and physiological responses to contrasting above- and below-ground resources for the invasive weed, Isatis tinctoria L. (dyer's woad). Plants were grown under low and high levels of light [shade (50% of ambient) and full sun], soil water (50 and 100 mL day−1), and...
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| Autor*in: |
MONACO, T A [verfasserIn] JOHNSON, D A [verfasserIn] CREECH, J E [verfasserIn] |
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E-Artikel |
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| Erschienen: |
Oxford, UK: Blackwell Science Ltd ; 2005 |
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Online-Ressource |
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2005 ; Blackwell Publishing Journal Backfiles 1879-2005 |
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In: Weed research - Oxford [u.a.] : Wiley-Blackwell, 1961, 45(2005), 6, Seite 0 |
| Übergeordnetes Werk: |
volume:45 ; year:2005 ; number:6 ; pages:0 |
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| DOI / URN: |
10.1111/j.1365-3180.2005.00480.x |
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| 520 | |a We evaluated the morphological and physiological responses to contrasting above- and below-ground resources for the invasive weed, Isatis tinctoria L. (dyer's woad). Plants were grown under low and high levels of light [shade (50% of ambient) and full sun], soil water (50 and 100 mL day−1), and soil nitrogen (N) (0 and 20 mg N kg−1 soil) in 8 L pots in 63 day glasshouse experiments conducted during winter and spring. Soil-N enrichment did not increase any of the growth variables (shoot and root dry mass, shoot:root ratio, leaf area, and specific leaf area) or physiological variables (stomatal conductance and 13C discrimination) in either experiment. The absence of plasticity in response to changes in soil-N supply suggests that I. tinctoria may survive and persist in nutrient-poor conditions by having low-N requirements, low-N productivity, or both. In contrast, plants compensated for shaded conditions by altering leaf area, specific leaf area, and shoot:root ratio to improve light capture. We discuss the potential mechanisms whereby response to these variable resources may be associated with a series of adaptations that favour the ability to tolerate and colonize harsh, nutrient-poor conditions, as well as invade shaded and undisturbed sites. | ||
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10.1111/j.1365-3180.2005.00480.x doi (DE-627)NLEJ243618174 DE-627 ger DE-627 rakwb MONACO, T A verfasserin aut Morphological and physiological responses of the invasive weed Isatis tinctoria to contrasting light, soil-nitrogen and water Oxford, UK Blackwell Science Ltd 2005 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We evaluated the morphological and physiological responses to contrasting above- and below-ground resources for the invasive weed, Isatis tinctoria L. (dyer's woad). Plants were grown under low and high levels of light [shade (50% of ambient) and full sun], soil water (50 and 100 mL day−1), and soil nitrogen (N) (0 and 20 mg N kg−1 soil) in 8 L pots in 63 day glasshouse experiments conducted during winter and spring. Soil-N enrichment did not increase any of the growth variables (shoot and root dry mass, shoot:root ratio, leaf area, and specific leaf area) or physiological variables (stomatal conductance and 13C discrimination) in either experiment. The absence of plasticity in response to changes in soil-N supply suggests that I. tinctoria may survive and persist in nutrient-poor conditions by having low-N requirements, low-N productivity, or both. In contrast, plants compensated for shaded conditions by altering leaf area, specific leaf area, and shoot:root ratio to improve light capture. We discuss the potential mechanisms whereby response to these variable resources may be associated with a series of adaptations that favour the ability to tolerate and colonize harsh, nutrient-poor conditions, as well as invade shaded and undisturbed sites. 2005 Blackwell Publishing Journal Backfiles 1879-2005 |2005|||||||||| shade JOHNSON, D A verfasserin aut CREECH, J E verfasserin aut In Weed research Oxford [u.a.] : Wiley-Blackwell, 1961 45(2005), 6, Seite 0 Online-Ressource (DE-627)NLEJ243927541 (DE-600)2016371-X 1365-3180 nnns volume:45 year:2005 number:6 pages:0 http://dx.doi.org/10.1111/j.1365-3180.2005.00480.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 45 2005 6 0 |
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10.1111/j.1365-3180.2005.00480.x doi (DE-627)NLEJ243618174 DE-627 ger DE-627 rakwb MONACO, T A verfasserin aut Morphological and physiological responses of the invasive weed Isatis tinctoria to contrasting light, soil-nitrogen and water Oxford, UK Blackwell Science Ltd 2005 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We evaluated the morphological and physiological responses to contrasting above- and below-ground resources for the invasive weed, Isatis tinctoria L. (dyer's woad). Plants were grown under low and high levels of light [shade (50% of ambient) and full sun], soil water (50 and 100 mL day−1), and soil nitrogen (N) (0 and 20 mg N kg−1 soil) in 8 L pots in 63 day glasshouse experiments conducted during winter and spring. Soil-N enrichment did not increase any of the growth variables (shoot and root dry mass, shoot:root ratio, leaf area, and specific leaf area) or physiological variables (stomatal conductance and 13C discrimination) in either experiment. The absence of plasticity in response to changes in soil-N supply suggests that I. tinctoria may survive and persist in nutrient-poor conditions by having low-N requirements, low-N productivity, or both. In contrast, plants compensated for shaded conditions by altering leaf area, specific leaf area, and shoot:root ratio to improve light capture. We discuss the potential mechanisms whereby response to these variable resources may be associated with a series of adaptations that favour the ability to tolerate and colonize harsh, nutrient-poor conditions, as well as invade shaded and undisturbed sites. 2005 Blackwell Publishing Journal Backfiles 1879-2005 |2005|||||||||| shade JOHNSON, D A verfasserin aut CREECH, J E verfasserin aut In Weed research Oxford [u.a.] : Wiley-Blackwell, 1961 45(2005), 6, Seite 0 Online-Ressource (DE-627)NLEJ243927541 (DE-600)2016371-X 1365-3180 nnns volume:45 year:2005 number:6 pages:0 http://dx.doi.org/10.1111/j.1365-3180.2005.00480.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 45 2005 6 0 |
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10.1111/j.1365-3180.2005.00480.x doi (DE-627)NLEJ243618174 DE-627 ger DE-627 rakwb MONACO, T A verfasserin aut Morphological and physiological responses of the invasive weed Isatis tinctoria to contrasting light, soil-nitrogen and water Oxford, UK Blackwell Science Ltd 2005 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We evaluated the morphological and physiological responses to contrasting above- and below-ground resources for the invasive weed, Isatis tinctoria L. (dyer's woad). Plants were grown under low and high levels of light [shade (50% of ambient) and full sun], soil water (50 and 100 mL day−1), and soil nitrogen (N) (0 and 20 mg N kg−1 soil) in 8 L pots in 63 day glasshouse experiments conducted during winter and spring. Soil-N enrichment did not increase any of the growth variables (shoot and root dry mass, shoot:root ratio, leaf area, and specific leaf area) or physiological variables (stomatal conductance and 13C discrimination) in either experiment. The absence of plasticity in response to changes in soil-N supply suggests that I. tinctoria may survive and persist in nutrient-poor conditions by having low-N requirements, low-N productivity, or both. In contrast, plants compensated for shaded conditions by altering leaf area, specific leaf area, and shoot:root ratio to improve light capture. We discuss the potential mechanisms whereby response to these variable resources may be associated with a series of adaptations that favour the ability to tolerate and colonize harsh, nutrient-poor conditions, as well as invade shaded and undisturbed sites. 2005 Blackwell Publishing Journal Backfiles 1879-2005 |2005|||||||||| shade JOHNSON, D A verfasserin aut CREECH, J E verfasserin aut In Weed research Oxford [u.a.] : Wiley-Blackwell, 1961 45(2005), 6, Seite 0 Online-Ressource (DE-627)NLEJ243927541 (DE-600)2016371-X 1365-3180 nnns volume:45 year:2005 number:6 pages:0 http://dx.doi.org/10.1111/j.1365-3180.2005.00480.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 45 2005 6 0 |
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10.1111/j.1365-3180.2005.00480.x doi (DE-627)NLEJ243618174 DE-627 ger DE-627 rakwb MONACO, T A verfasserin aut Morphological and physiological responses of the invasive weed Isatis tinctoria to contrasting light, soil-nitrogen and water Oxford, UK Blackwell Science Ltd 2005 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We evaluated the morphological and physiological responses to contrasting above- and below-ground resources for the invasive weed, Isatis tinctoria L. (dyer's woad). Plants were grown under low and high levels of light [shade (50% of ambient) and full sun], soil water (50 and 100 mL day−1), and soil nitrogen (N) (0 and 20 mg N kg−1 soil) in 8 L pots in 63 day glasshouse experiments conducted during winter and spring. Soil-N enrichment did not increase any of the growth variables (shoot and root dry mass, shoot:root ratio, leaf area, and specific leaf area) or physiological variables (stomatal conductance and 13C discrimination) in either experiment. The absence of plasticity in response to changes in soil-N supply suggests that I. tinctoria may survive and persist in nutrient-poor conditions by having low-N requirements, low-N productivity, or both. In contrast, plants compensated for shaded conditions by altering leaf area, specific leaf area, and shoot:root ratio to improve light capture. We discuss the potential mechanisms whereby response to these variable resources may be associated with a series of adaptations that favour the ability to tolerate and colonize harsh, nutrient-poor conditions, as well as invade shaded and undisturbed sites. 2005 Blackwell Publishing Journal Backfiles 1879-2005 |2005|||||||||| shade JOHNSON, D A verfasserin aut CREECH, J E verfasserin aut In Weed research Oxford [u.a.] : Wiley-Blackwell, 1961 45(2005), 6, Seite 0 Online-Ressource (DE-627)NLEJ243927541 (DE-600)2016371-X 1365-3180 nnns volume:45 year:2005 number:6 pages:0 http://dx.doi.org/10.1111/j.1365-3180.2005.00480.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 45 2005 6 0 |
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10.1111/j.1365-3180.2005.00480.x doi (DE-627)NLEJ243618174 DE-627 ger DE-627 rakwb MONACO, T A verfasserin aut Morphological and physiological responses of the invasive weed Isatis tinctoria to contrasting light, soil-nitrogen and water Oxford, UK Blackwell Science Ltd 2005 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We evaluated the morphological and physiological responses to contrasting above- and below-ground resources for the invasive weed, Isatis tinctoria L. (dyer's woad). Plants were grown under low and high levels of light [shade (50% of ambient) and full sun], soil water (50 and 100 mL day−1), and soil nitrogen (N) (0 and 20 mg N kg−1 soil) in 8 L pots in 63 day glasshouse experiments conducted during winter and spring. Soil-N enrichment did not increase any of the growth variables (shoot and root dry mass, shoot:root ratio, leaf area, and specific leaf area) or physiological variables (stomatal conductance and 13C discrimination) in either experiment. The absence of plasticity in response to changes in soil-N supply suggests that I. tinctoria may survive and persist in nutrient-poor conditions by having low-N requirements, low-N productivity, or both. In contrast, plants compensated for shaded conditions by altering leaf area, specific leaf area, and shoot:root ratio to improve light capture. We discuss the potential mechanisms whereby response to these variable resources may be associated with a series of adaptations that favour the ability to tolerate and colonize harsh, nutrient-poor conditions, as well as invade shaded and undisturbed sites. 2005 Blackwell Publishing Journal Backfiles 1879-2005 |2005|||||||||| shade JOHNSON, D A verfasserin aut CREECH, J E verfasserin aut In Weed research Oxford [u.a.] : Wiley-Blackwell, 1961 45(2005), 6, Seite 0 Online-Ressource (DE-627)NLEJ243927541 (DE-600)2016371-X 1365-3180 nnns volume:45 year:2005 number:6 pages:0 http://dx.doi.org/10.1111/j.1365-3180.2005.00480.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 45 2005 6 0 |
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Morphological and physiological responses of the invasive weed Isatis tinctoria to contrasting light, soil-nitrogen and water |
| abstract |
We evaluated the morphological and physiological responses to contrasting above- and below-ground resources for the invasive weed, Isatis tinctoria L. (dyer's woad). Plants were grown under low and high levels of light [shade (50% of ambient) and full sun], soil water (50 and 100 mL day−1), and soil nitrogen (N) (0 and 20 mg N kg−1 soil) in 8 L pots in 63 day glasshouse experiments conducted during winter and spring. Soil-N enrichment did not increase any of the growth variables (shoot and root dry mass, shoot:root ratio, leaf area, and specific leaf area) or physiological variables (stomatal conductance and 13C discrimination) in either experiment. The absence of plasticity in response to changes in soil-N supply suggests that I. tinctoria may survive and persist in nutrient-poor conditions by having low-N requirements, low-N productivity, or both. In contrast, plants compensated for shaded conditions by altering leaf area, specific leaf area, and shoot:root ratio to improve light capture. We discuss the potential mechanisms whereby response to these variable resources may be associated with a series of adaptations that favour the ability to tolerate and colonize harsh, nutrient-poor conditions, as well as invade shaded and undisturbed sites. |
| abstractGer |
We evaluated the morphological and physiological responses to contrasting above- and below-ground resources for the invasive weed, Isatis tinctoria L. (dyer's woad). Plants were grown under low and high levels of light [shade (50% of ambient) and full sun], soil water (50 and 100 mL day−1), and soil nitrogen (N) (0 and 20 mg N kg−1 soil) in 8 L pots in 63 day glasshouse experiments conducted during winter and spring. Soil-N enrichment did not increase any of the growth variables (shoot and root dry mass, shoot:root ratio, leaf area, and specific leaf area) or physiological variables (stomatal conductance and 13C discrimination) in either experiment. The absence of plasticity in response to changes in soil-N supply suggests that I. tinctoria may survive and persist in nutrient-poor conditions by having low-N requirements, low-N productivity, or both. In contrast, plants compensated for shaded conditions by altering leaf area, specific leaf area, and shoot:root ratio to improve light capture. We discuss the potential mechanisms whereby response to these variable resources may be associated with a series of adaptations that favour the ability to tolerate and colonize harsh, nutrient-poor conditions, as well as invade shaded and undisturbed sites. |
| abstract_unstemmed |
We evaluated the morphological and physiological responses to contrasting above- and below-ground resources for the invasive weed, Isatis tinctoria L. (dyer's woad). Plants were grown under low and high levels of light [shade (50% of ambient) and full sun], soil water (50 and 100 mL day−1), and soil nitrogen (N) (0 and 20 mg N kg−1 soil) in 8 L pots in 63 day glasshouse experiments conducted during winter and spring. Soil-N enrichment did not increase any of the growth variables (shoot and root dry mass, shoot:root ratio, leaf area, and specific leaf area) or physiological variables (stomatal conductance and 13C discrimination) in either experiment. The absence of plasticity in response to changes in soil-N supply suggests that I. tinctoria may survive and persist in nutrient-poor conditions by having low-N requirements, low-N productivity, or both. In contrast, plants compensated for shaded conditions by altering leaf area, specific leaf area, and shoot:root ratio to improve light capture. We discuss the potential mechanisms whereby response to these variable resources may be associated with a series of adaptations that favour the ability to tolerate and colonize harsh, nutrient-poor conditions, as well as invade shaded and undisturbed sites. |
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Morphological and physiological responses of the invasive weed Isatis tinctoria to contrasting light, soil-nitrogen and water |
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JOHNSON, D A CREECH, J E |
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