Weed Seed Bank in an Agroforestry System With Eucalyptus in Subtropical Brazil
ABSTRACT : Trees can modify the weed seed bank composition and distribution in the cropped area of an agroforestry system. This study aimed at analyzing the eucalyptus (Eucalyptus dunnii) effect on spatial distribution, functional traits abundance and weed seed bank botanic composition in an agrofor...
Ausführliche Beschreibung
Autor*in: |
L. DEISS [verfasserIn] A. MORAES [verfasserIn] A. PELISSARI [verfasserIn] V. PORFÍRIO-DA-SILVA [verfasserIn] M.Z. SCHUSTER [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch ; Spanisch ; Portugiesisch |
Erschienen: |
2018 |
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Schlagwörter: |
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Übergeordnetes Werk: |
In: Planta Daninha - Sociedade Brasileira da Ciência das Plantas Daninhas, 2004, 36(2018) |
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Übergeordnetes Werk: |
volume:36 ; year:2018 |
Links: |
Link aufrufen |
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DOI / URN: |
10.1590/s0100-83582018360100022 |
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Katalog-ID: |
DOAJ070288682 |
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10.1590/s0100-83582018360100022 doi (DE-627)DOAJ070288682 (DE-599)DOAJ4d0bdd576f784a25a71a09adb6be062b DE-627 ger DE-627 rakwb eng spa por QH301-705.5 QK1-989 L. DEISS verfasserin aut Weed Seed Bank in an Agroforestry System With Eucalyptus in Subtropical Brazil 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ABSTRACT : Trees can modify the weed seed bank composition and distribution in the cropped area of an agroforestry system. This study aimed at analyzing the eucalyptus (Eucalyptus dunnii) effect on spatial distribution, functional traits abundance and weed seed bank botanic composition in an agroforestry system under no-tillage in Subtropical Brazil. The experiment was conducted in a randomized block design with five replications, and five positions between 4.5-year-old eucalyptus double rows [(4x3) x 20 m] as treatments. Soil sampling was performed at 0-20 cm and the method to quantify and identify seeds was the seedling emergence in trays, inside a greenhouse. Weed phytosociological indices (relative density, frequency and importance), functional traits abundance (life cycle, shade tolerance, reproduction, spread and seed form) and seed densities (m-2) of families and species were evaluated; 17 weed families and 49 species were found. The indices that contributed to the relative importance of families and species differed among the positions between rows. Eucalyptus grown as an intercrop changed the composition and size of the weed seed bank, in a different way for functional traits, families and species depeding on the distance from trees. alley cropping phytosociology integrated weed management integrated crop-livestock systems functional traits spatial distribution patterns Biology (General) Botany A. MORAES verfasserin aut A. PELISSARI verfasserin aut V. PORFÍRIO-DA-SILVA verfasserin aut M.Z. SCHUSTER verfasserin aut In Planta Daninha Sociedade Brasileira da Ciência das Plantas Daninhas, 2004 36(2018) (DE-627)391334867 (DE-600)2152315-0 01008358 nnns volume:36 year:2018 https://doi.org/10.1590/s0100-83582018360100022 kostenfrei https://doaj.org/article/4d0bdd576f784a25a71a09adb6be062b kostenfrei http://www.scielo.br/pdf/pd/v36/0100-8358-PD-36-e018162465.pdf kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582018000100222&tlng=en kostenfrei https://doaj.org/toc/0100-8358 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 36 2018 |
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10.1590/s0100-83582018360100022 doi (DE-627)DOAJ070288682 (DE-599)DOAJ4d0bdd576f784a25a71a09adb6be062b DE-627 ger DE-627 rakwb eng spa por QH301-705.5 QK1-989 L. DEISS verfasserin aut Weed Seed Bank in an Agroforestry System With Eucalyptus in Subtropical Brazil 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ABSTRACT : Trees can modify the weed seed bank composition and distribution in the cropped area of an agroforestry system. This study aimed at analyzing the eucalyptus (Eucalyptus dunnii) effect on spatial distribution, functional traits abundance and weed seed bank botanic composition in an agroforestry system under no-tillage in Subtropical Brazil. The experiment was conducted in a randomized block design with five replications, and five positions between 4.5-year-old eucalyptus double rows [(4x3) x 20 m] as treatments. Soil sampling was performed at 0-20 cm and the method to quantify and identify seeds was the seedling emergence in trays, inside a greenhouse. Weed phytosociological indices (relative density, frequency and importance), functional traits abundance (life cycle, shade tolerance, reproduction, spread and seed form) and seed densities (m-2) of families and species were evaluated; 17 weed families and 49 species were found. The indices that contributed to the relative importance of families and species differed among the positions between rows. Eucalyptus grown as an intercrop changed the composition and size of the weed seed bank, in a different way for functional traits, families and species depeding on the distance from trees. alley cropping phytosociology integrated weed management integrated crop-livestock systems functional traits spatial distribution patterns Biology (General) Botany A. MORAES verfasserin aut A. PELISSARI verfasserin aut V. PORFÍRIO-DA-SILVA verfasserin aut M.Z. SCHUSTER verfasserin aut In Planta Daninha Sociedade Brasileira da Ciência das Plantas Daninhas, 2004 36(2018) (DE-627)391334867 (DE-600)2152315-0 01008358 nnns volume:36 year:2018 https://doi.org/10.1590/s0100-83582018360100022 kostenfrei https://doaj.org/article/4d0bdd576f784a25a71a09adb6be062b kostenfrei http://www.scielo.br/pdf/pd/v36/0100-8358-PD-36-e018162465.pdf kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582018000100222&tlng=en kostenfrei https://doaj.org/toc/0100-8358 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 36 2018 |
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10.1590/s0100-83582018360100022 doi (DE-627)DOAJ070288682 (DE-599)DOAJ4d0bdd576f784a25a71a09adb6be062b DE-627 ger DE-627 rakwb eng spa por QH301-705.5 QK1-989 L. DEISS verfasserin aut Weed Seed Bank in an Agroforestry System With Eucalyptus in Subtropical Brazil 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ABSTRACT : Trees can modify the weed seed bank composition and distribution in the cropped area of an agroforestry system. This study aimed at analyzing the eucalyptus (Eucalyptus dunnii) effect on spatial distribution, functional traits abundance and weed seed bank botanic composition in an agroforestry system under no-tillage in Subtropical Brazil. The experiment was conducted in a randomized block design with five replications, and five positions between 4.5-year-old eucalyptus double rows [(4x3) x 20 m] as treatments. Soil sampling was performed at 0-20 cm and the method to quantify and identify seeds was the seedling emergence in trays, inside a greenhouse. Weed phytosociological indices (relative density, frequency and importance), functional traits abundance (life cycle, shade tolerance, reproduction, spread and seed form) and seed densities (m-2) of families and species were evaluated; 17 weed families and 49 species were found. The indices that contributed to the relative importance of families and species differed among the positions between rows. Eucalyptus grown as an intercrop changed the composition and size of the weed seed bank, in a different way for functional traits, families and species depeding on the distance from trees. alley cropping phytosociology integrated weed management integrated crop-livestock systems functional traits spatial distribution patterns Biology (General) Botany A. MORAES verfasserin aut A. PELISSARI verfasserin aut V. PORFÍRIO-DA-SILVA verfasserin aut M.Z. SCHUSTER verfasserin aut In Planta Daninha Sociedade Brasileira da Ciência das Plantas Daninhas, 2004 36(2018) (DE-627)391334867 (DE-600)2152315-0 01008358 nnns volume:36 year:2018 https://doi.org/10.1590/s0100-83582018360100022 kostenfrei https://doaj.org/article/4d0bdd576f784a25a71a09adb6be062b kostenfrei http://www.scielo.br/pdf/pd/v36/0100-8358-PD-36-e018162465.pdf kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582018000100222&tlng=en kostenfrei https://doaj.org/toc/0100-8358 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 36 2018 |
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Weed Seed Bank in an Agroforestry System With Eucalyptus in Subtropical Brazil |
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ABSTRACT : Trees can modify the weed seed bank composition and distribution in the cropped area of an agroforestry system. This study aimed at analyzing the eucalyptus (Eucalyptus dunnii) effect on spatial distribution, functional traits abundance and weed seed bank botanic composition in an agroforestry system under no-tillage in Subtropical Brazil. The experiment was conducted in a randomized block design with five replications, and five positions between 4.5-year-old eucalyptus double rows [(4x3) x 20 m] as treatments. Soil sampling was performed at 0-20 cm and the method to quantify and identify seeds was the seedling emergence in trays, inside a greenhouse. Weed phytosociological indices (relative density, frequency and importance), functional traits abundance (life cycle, shade tolerance, reproduction, spread and seed form) and seed densities (m-2) of families and species were evaluated; 17 weed families and 49 species were found. The indices that contributed to the relative importance of families and species differed among the positions between rows. Eucalyptus grown as an intercrop changed the composition and size of the weed seed bank, in a different way for functional traits, families and species depeding on the distance from trees. |
abstractGer |
ABSTRACT : Trees can modify the weed seed bank composition and distribution in the cropped area of an agroforestry system. This study aimed at analyzing the eucalyptus (Eucalyptus dunnii) effect on spatial distribution, functional traits abundance and weed seed bank botanic composition in an agroforestry system under no-tillage in Subtropical Brazil. The experiment was conducted in a randomized block design with five replications, and five positions between 4.5-year-old eucalyptus double rows [(4x3) x 20 m] as treatments. Soil sampling was performed at 0-20 cm and the method to quantify and identify seeds was the seedling emergence in trays, inside a greenhouse. Weed phytosociological indices (relative density, frequency and importance), functional traits abundance (life cycle, shade tolerance, reproduction, spread and seed form) and seed densities (m-2) of families and species were evaluated; 17 weed families and 49 species were found. The indices that contributed to the relative importance of families and species differed among the positions between rows. Eucalyptus grown as an intercrop changed the composition and size of the weed seed bank, in a different way for functional traits, families and species depeding on the distance from trees. |
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ABSTRACT : Trees can modify the weed seed bank composition and distribution in the cropped area of an agroforestry system. This study aimed at analyzing the eucalyptus (Eucalyptus dunnii) effect on spatial distribution, functional traits abundance and weed seed bank botanic composition in an agroforestry system under no-tillage in Subtropical Brazil. The experiment was conducted in a randomized block design with five replications, and five positions between 4.5-year-old eucalyptus double rows [(4x3) x 20 m] as treatments. Soil sampling was performed at 0-20 cm and the method to quantify and identify seeds was the seedling emergence in trays, inside a greenhouse. Weed phytosociological indices (relative density, frequency and importance), functional traits abundance (life cycle, shade tolerance, reproduction, spread and seed form) and seed densities (m-2) of families and species were evaluated; 17 weed families and 49 species were found. The indices that contributed to the relative importance of families and species differed among the positions between rows. Eucalyptus grown as an intercrop changed the composition and size of the weed seed bank, in a different way for functional traits, families and species depeding on the distance from trees. |
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