Transport via xylem and accumulation of aflatoxin in seeds of groundnut plant
Aflatoxin contamination in groundnut seeds in the absence of any aflatoxigenic fungi leads to a hypothesis that aflatoxins are present naturally in soil and is transferred to seeds through uptake by roots. A survey was conducted on the natural occurrence of aflatoxins in agricultural soils, among ni...
Ausführliche Beschreibung
Autor*in: |
Snigdha, M [verfasserIn] |
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Format: |
Artikel |
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Sprache: |
Englisch |
Erschienen: |
2015 |
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Rechteinformationen: |
Nutzungsrecht: Copyright © 2014 Elsevier Ltd. All rights reserved. |
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Systematik: |
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Übergeordnetes Werk: |
Enthalten in: Chemosphere - Kidlington, Oxford : Elsevier Science, 1972, 119(2015), Seite 524-529 |
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Übergeordnetes Werk: |
volume:119 ; year:2015 ; pages:524-529 |
Links: |
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DOI / URN: |
10.1016/j.chemosphere.2014.07.033 |
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OLC1963057090 |
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520 | |a Aflatoxin contamination in groundnut seeds in the absence of any aflatoxigenic fungi leads to a hypothesis that aflatoxins are present naturally in soil and is transferred to seeds through uptake by roots. A survey was conducted on the natural occurrence of aflatoxins in agricultural soils, among nine main groundnut-growing regions of Karnataka state, India. All 71 soil samples collected in this survey were contaminated with aflatoxins esp. AFB1. An in vitro xylem sap experiment proved the ability of groundnut plant roots to absorb AFB1, and transport to aerial plant parts via the xylem. Hydroponics experiment also proved the uptake of AFB1 by the roots and their translocation to shoot. Uptake was affected by the initial concentration of toxin and pH of the medium. Among the 14 varieties screened, GPBD4 and MLT.K.107 (III) recorded highest and least AFB1 uptake, respectively. The above results were validated using a greenhouse experiment. Here, the aflatoxin absorbed by root gradually transferred to shoot that was later found in seeds towards the end of experiment. Thus, the groundnut seeds can also get contaminated with aflatoxin by direct uptake of aflatoxin through conducting tissue in addition to fungal infection. The present study revealed the novel mode of aflatoxin contamination in groundnut seeds without fungal infection. | ||
540 | |a Nutzungsrecht: Copyright © 2014 Elsevier Ltd. All rights reserved. | ||
650 | 4 | |a Aflatoxins - analysis | |
650 | 4 | |a Aflatoxins - metabolism | |
650 | 4 | |a Soil Pollutants - metabolism | |
650 | 4 | |a Seeds - metabolism | |
650 | 4 | |a Soil Pollutants - analysis | |
650 | 4 | |a Plant Roots - metabolism | |
650 | 4 | |a Arachis hypogaea - metabolism | |
650 | 4 | |a Soil - chemistry | |
650 | 4 | |a Xylem - metabolism | |
700 | 1 | |a Hariprasad, P |4 oth | |
700 | 1 | |a Venkateswaran, G |4 oth | |
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10.1016/j.chemosphere.2014.07.033 doi PQ20160617 (DE-627)OLC1963057090 (DE-599)GBVOLC1963057090 (PRQ)c1622-de670ccf0730a6c103f60e6279e49c090313f7d63ffb94dd623def1327bb86980 (KEY)0012464820150000119000000524transportviaxylemandaccumulationofaflatoxininseeds DE-627 ger DE-627 rakwb eng 333.7 DNB AR 10100 AVZ rvk 38.32 bkl 35.00 bkl Snigdha, M verfasserin aut Transport via xylem and accumulation of aflatoxin in seeds of groundnut plant 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Aflatoxin contamination in groundnut seeds in the absence of any aflatoxigenic fungi leads to a hypothesis that aflatoxins are present naturally in soil and is transferred to seeds through uptake by roots. A survey was conducted on the natural occurrence of aflatoxins in agricultural soils, among nine main groundnut-growing regions of Karnataka state, India. All 71 soil samples collected in this survey were contaminated with aflatoxins esp. AFB1. An in vitro xylem sap experiment proved the ability of groundnut plant roots to absorb AFB1, and transport to aerial plant parts via the xylem. Hydroponics experiment also proved the uptake of AFB1 by the roots and their translocation to shoot. Uptake was affected by the initial concentration of toxin and pH of the medium. Among the 14 varieties screened, GPBD4 and MLT.K.107 (III) recorded highest and least AFB1 uptake, respectively. The above results were validated using a greenhouse experiment. Here, the aflatoxin absorbed by root gradually transferred to shoot that was later found in seeds towards the end of experiment. Thus, the groundnut seeds can also get contaminated with aflatoxin by direct uptake of aflatoxin through conducting tissue in addition to fungal infection. The present study revealed the novel mode of aflatoxin contamination in groundnut seeds without fungal infection. Nutzungsrecht: Copyright © 2014 Elsevier Ltd. All rights reserved. Aflatoxins - analysis Aflatoxins - metabolism Soil Pollutants - metabolism Seeds - metabolism Soil Pollutants - analysis Plant Roots - metabolism Arachis hypogaea - metabolism Soil - chemistry Xylem - metabolism Hariprasad, P oth Venkateswaran, G oth Enthalten in Chemosphere Kidlington, Oxford : Elsevier Science, 1972 119(2015), Seite 524-529 (DE-627)129288586 (DE-600)120089-6 (DE-576)014470187 0045-6535 nnns volume:119 year:2015 pages:524-529 http://dx.doi.org/10.1016/j.chemosphere.2014.07.033 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25112578 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 10100 38.32 AVZ 35.00 AVZ AR 119 2015 524-529 |
spelling |
10.1016/j.chemosphere.2014.07.033 doi PQ20160617 (DE-627)OLC1963057090 (DE-599)GBVOLC1963057090 (PRQ)c1622-de670ccf0730a6c103f60e6279e49c090313f7d63ffb94dd623def1327bb86980 (KEY)0012464820150000119000000524transportviaxylemandaccumulationofaflatoxininseeds DE-627 ger DE-627 rakwb eng 333.7 DNB AR 10100 AVZ rvk 38.32 bkl 35.00 bkl Snigdha, M verfasserin aut Transport via xylem and accumulation of aflatoxin in seeds of groundnut plant 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Aflatoxin contamination in groundnut seeds in the absence of any aflatoxigenic fungi leads to a hypothesis that aflatoxins are present naturally in soil and is transferred to seeds through uptake by roots. A survey was conducted on the natural occurrence of aflatoxins in agricultural soils, among nine main groundnut-growing regions of Karnataka state, India. All 71 soil samples collected in this survey were contaminated with aflatoxins esp. AFB1. An in vitro xylem sap experiment proved the ability of groundnut plant roots to absorb AFB1, and transport to aerial plant parts via the xylem. Hydroponics experiment also proved the uptake of AFB1 by the roots and their translocation to shoot. Uptake was affected by the initial concentration of toxin and pH of the medium. Among the 14 varieties screened, GPBD4 and MLT.K.107 (III) recorded highest and least AFB1 uptake, respectively. The above results were validated using a greenhouse experiment. Here, the aflatoxin absorbed by root gradually transferred to shoot that was later found in seeds towards the end of experiment. Thus, the groundnut seeds can also get contaminated with aflatoxin by direct uptake of aflatoxin through conducting tissue in addition to fungal infection. The present study revealed the novel mode of aflatoxin contamination in groundnut seeds without fungal infection. Nutzungsrecht: Copyright © 2014 Elsevier Ltd. All rights reserved. Aflatoxins - analysis Aflatoxins - metabolism Soil Pollutants - metabolism Seeds - metabolism Soil Pollutants - analysis Plant Roots - metabolism Arachis hypogaea - metabolism Soil - chemistry Xylem - metabolism Hariprasad, P oth Venkateswaran, G oth Enthalten in Chemosphere Kidlington, Oxford : Elsevier Science, 1972 119(2015), Seite 524-529 (DE-627)129288586 (DE-600)120089-6 (DE-576)014470187 0045-6535 nnns volume:119 year:2015 pages:524-529 http://dx.doi.org/10.1016/j.chemosphere.2014.07.033 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25112578 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 10100 38.32 AVZ 35.00 AVZ AR 119 2015 524-529 |
allfields_unstemmed |
10.1016/j.chemosphere.2014.07.033 doi PQ20160617 (DE-627)OLC1963057090 (DE-599)GBVOLC1963057090 (PRQ)c1622-de670ccf0730a6c103f60e6279e49c090313f7d63ffb94dd623def1327bb86980 (KEY)0012464820150000119000000524transportviaxylemandaccumulationofaflatoxininseeds DE-627 ger DE-627 rakwb eng 333.7 DNB AR 10100 AVZ rvk 38.32 bkl 35.00 bkl Snigdha, M verfasserin aut Transport via xylem and accumulation of aflatoxin in seeds of groundnut plant 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Aflatoxin contamination in groundnut seeds in the absence of any aflatoxigenic fungi leads to a hypothesis that aflatoxins are present naturally in soil and is transferred to seeds through uptake by roots. A survey was conducted on the natural occurrence of aflatoxins in agricultural soils, among nine main groundnut-growing regions of Karnataka state, India. All 71 soil samples collected in this survey were contaminated with aflatoxins esp. AFB1. An in vitro xylem sap experiment proved the ability of groundnut plant roots to absorb AFB1, and transport to aerial plant parts via the xylem. Hydroponics experiment also proved the uptake of AFB1 by the roots and their translocation to shoot. Uptake was affected by the initial concentration of toxin and pH of the medium. Among the 14 varieties screened, GPBD4 and MLT.K.107 (III) recorded highest and least AFB1 uptake, respectively. The above results were validated using a greenhouse experiment. Here, the aflatoxin absorbed by root gradually transferred to shoot that was later found in seeds towards the end of experiment. Thus, the groundnut seeds can also get contaminated with aflatoxin by direct uptake of aflatoxin through conducting tissue in addition to fungal infection. The present study revealed the novel mode of aflatoxin contamination in groundnut seeds without fungal infection. Nutzungsrecht: Copyright © 2014 Elsevier Ltd. All rights reserved. Aflatoxins - analysis Aflatoxins - metabolism Soil Pollutants - metabolism Seeds - metabolism Soil Pollutants - analysis Plant Roots - metabolism Arachis hypogaea - metabolism Soil - chemistry Xylem - metabolism Hariprasad, P oth Venkateswaran, G oth Enthalten in Chemosphere Kidlington, Oxford : Elsevier Science, 1972 119(2015), Seite 524-529 (DE-627)129288586 (DE-600)120089-6 (DE-576)014470187 0045-6535 nnns volume:119 year:2015 pages:524-529 http://dx.doi.org/10.1016/j.chemosphere.2014.07.033 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25112578 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 10100 38.32 AVZ 35.00 AVZ AR 119 2015 524-529 |
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10.1016/j.chemosphere.2014.07.033 doi PQ20160617 (DE-627)OLC1963057090 (DE-599)GBVOLC1963057090 (PRQ)c1622-de670ccf0730a6c103f60e6279e49c090313f7d63ffb94dd623def1327bb86980 (KEY)0012464820150000119000000524transportviaxylemandaccumulationofaflatoxininseeds DE-627 ger DE-627 rakwb eng 333.7 DNB AR 10100 AVZ rvk 38.32 bkl 35.00 bkl Snigdha, M verfasserin aut Transport via xylem and accumulation of aflatoxin in seeds of groundnut plant 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Aflatoxin contamination in groundnut seeds in the absence of any aflatoxigenic fungi leads to a hypothesis that aflatoxins are present naturally in soil and is transferred to seeds through uptake by roots. A survey was conducted on the natural occurrence of aflatoxins in agricultural soils, among nine main groundnut-growing regions of Karnataka state, India. All 71 soil samples collected in this survey were contaminated with aflatoxins esp. AFB1. An in vitro xylem sap experiment proved the ability of groundnut plant roots to absorb AFB1, and transport to aerial plant parts via the xylem. Hydroponics experiment also proved the uptake of AFB1 by the roots and their translocation to shoot. Uptake was affected by the initial concentration of toxin and pH of the medium. Among the 14 varieties screened, GPBD4 and MLT.K.107 (III) recorded highest and least AFB1 uptake, respectively. The above results were validated using a greenhouse experiment. Here, the aflatoxin absorbed by root gradually transferred to shoot that was later found in seeds towards the end of experiment. Thus, the groundnut seeds can also get contaminated with aflatoxin by direct uptake of aflatoxin through conducting tissue in addition to fungal infection. The present study revealed the novel mode of aflatoxin contamination in groundnut seeds without fungal infection. Nutzungsrecht: Copyright © 2014 Elsevier Ltd. All rights reserved. Aflatoxins - analysis Aflatoxins - metabolism Soil Pollutants - metabolism Seeds - metabolism Soil Pollutants - analysis Plant Roots - metabolism Arachis hypogaea - metabolism Soil - chemistry Xylem - metabolism Hariprasad, P oth Venkateswaran, G oth Enthalten in Chemosphere Kidlington, Oxford : Elsevier Science, 1972 119(2015), Seite 524-529 (DE-627)129288586 (DE-600)120089-6 (DE-576)014470187 0045-6535 nnns volume:119 year:2015 pages:524-529 http://dx.doi.org/10.1016/j.chemosphere.2014.07.033 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25112578 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 10100 38.32 AVZ 35.00 AVZ AR 119 2015 524-529 |
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10.1016/j.chemosphere.2014.07.033 doi PQ20160617 (DE-627)OLC1963057090 (DE-599)GBVOLC1963057090 (PRQ)c1622-de670ccf0730a6c103f60e6279e49c090313f7d63ffb94dd623def1327bb86980 (KEY)0012464820150000119000000524transportviaxylemandaccumulationofaflatoxininseeds DE-627 ger DE-627 rakwb eng 333.7 DNB AR 10100 AVZ rvk 38.32 bkl 35.00 bkl Snigdha, M verfasserin aut Transport via xylem and accumulation of aflatoxin in seeds of groundnut plant 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Aflatoxin contamination in groundnut seeds in the absence of any aflatoxigenic fungi leads to a hypothesis that aflatoxins are present naturally in soil and is transferred to seeds through uptake by roots. A survey was conducted on the natural occurrence of aflatoxins in agricultural soils, among nine main groundnut-growing regions of Karnataka state, India. All 71 soil samples collected in this survey were contaminated with aflatoxins esp. AFB1. An in vitro xylem sap experiment proved the ability of groundnut plant roots to absorb AFB1, and transport to aerial plant parts via the xylem. Hydroponics experiment also proved the uptake of AFB1 by the roots and their translocation to shoot. Uptake was affected by the initial concentration of toxin and pH of the medium. Among the 14 varieties screened, GPBD4 and MLT.K.107 (III) recorded highest and least AFB1 uptake, respectively. The above results were validated using a greenhouse experiment. Here, the aflatoxin absorbed by root gradually transferred to shoot that was later found in seeds towards the end of experiment. Thus, the groundnut seeds can also get contaminated with aflatoxin by direct uptake of aflatoxin through conducting tissue in addition to fungal infection. The present study revealed the novel mode of aflatoxin contamination in groundnut seeds without fungal infection. Nutzungsrecht: Copyright © 2014 Elsevier Ltd. All rights reserved. Aflatoxins - analysis Aflatoxins - metabolism Soil Pollutants - metabolism Seeds - metabolism Soil Pollutants - analysis Plant Roots - metabolism Arachis hypogaea - metabolism Soil - chemistry Xylem - metabolism Hariprasad, P oth Venkateswaran, G oth Enthalten in Chemosphere Kidlington, Oxford : Elsevier Science, 1972 119(2015), Seite 524-529 (DE-627)129288586 (DE-600)120089-6 (DE-576)014470187 0045-6535 nnns volume:119 year:2015 pages:524-529 http://dx.doi.org/10.1016/j.chemosphere.2014.07.033 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25112578 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 10100 38.32 AVZ 35.00 AVZ AR 119 2015 524-529 |
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333.7 DNB AR 10100 AVZ rvk 38.32 bkl 35.00 bkl Transport via xylem and accumulation of aflatoxin in seeds of groundnut plant Aflatoxins - analysis Aflatoxins - metabolism Soil Pollutants - metabolism Seeds - metabolism Soil Pollutants - analysis Plant Roots - metabolism Arachis hypogaea - metabolism Soil - chemistry Xylem - metabolism |
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ddc 333.7 rvk AR 10100 bkl 38.32 bkl 35.00 misc Aflatoxins - analysis misc Aflatoxins - metabolism misc Soil Pollutants - metabolism misc Seeds - metabolism misc Soil Pollutants - analysis misc Plant Roots - metabolism misc Arachis hypogaea - metabolism misc Soil - chemistry misc Xylem - metabolism |
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ddc 333.7 rvk AR 10100 bkl 38.32 bkl 35.00 misc Aflatoxins - analysis misc Aflatoxins - metabolism misc Soil Pollutants - metabolism misc Seeds - metabolism misc Soil Pollutants - analysis misc Plant Roots - metabolism misc Arachis hypogaea - metabolism misc Soil - chemistry misc Xylem - metabolism |
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Transport via xylem and accumulation of aflatoxin in seeds of groundnut plant |
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transport via xylem and accumulation of aflatoxin in seeds of groundnut plant |
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Transport via xylem and accumulation of aflatoxin in seeds of groundnut plant |
abstract |
Aflatoxin contamination in groundnut seeds in the absence of any aflatoxigenic fungi leads to a hypothesis that aflatoxins are present naturally in soil and is transferred to seeds through uptake by roots. A survey was conducted on the natural occurrence of aflatoxins in agricultural soils, among nine main groundnut-growing regions of Karnataka state, India. All 71 soil samples collected in this survey were contaminated with aflatoxins esp. AFB1. An in vitro xylem sap experiment proved the ability of groundnut plant roots to absorb AFB1, and transport to aerial plant parts via the xylem. Hydroponics experiment also proved the uptake of AFB1 by the roots and their translocation to shoot. Uptake was affected by the initial concentration of toxin and pH of the medium. Among the 14 varieties screened, GPBD4 and MLT.K.107 (III) recorded highest and least AFB1 uptake, respectively. The above results were validated using a greenhouse experiment. Here, the aflatoxin absorbed by root gradually transferred to shoot that was later found in seeds towards the end of experiment. Thus, the groundnut seeds can also get contaminated with aflatoxin by direct uptake of aflatoxin through conducting tissue in addition to fungal infection. The present study revealed the novel mode of aflatoxin contamination in groundnut seeds without fungal infection. |
abstractGer |
Aflatoxin contamination in groundnut seeds in the absence of any aflatoxigenic fungi leads to a hypothesis that aflatoxins are present naturally in soil and is transferred to seeds through uptake by roots. A survey was conducted on the natural occurrence of aflatoxins in agricultural soils, among nine main groundnut-growing regions of Karnataka state, India. All 71 soil samples collected in this survey were contaminated with aflatoxins esp. AFB1. An in vitro xylem sap experiment proved the ability of groundnut plant roots to absorb AFB1, and transport to aerial plant parts via the xylem. Hydroponics experiment also proved the uptake of AFB1 by the roots and their translocation to shoot. Uptake was affected by the initial concentration of toxin and pH of the medium. Among the 14 varieties screened, GPBD4 and MLT.K.107 (III) recorded highest and least AFB1 uptake, respectively. The above results were validated using a greenhouse experiment. Here, the aflatoxin absorbed by root gradually transferred to shoot that was later found in seeds towards the end of experiment. Thus, the groundnut seeds can also get contaminated with aflatoxin by direct uptake of aflatoxin through conducting tissue in addition to fungal infection. The present study revealed the novel mode of aflatoxin contamination in groundnut seeds without fungal infection. |
abstract_unstemmed |
Aflatoxin contamination in groundnut seeds in the absence of any aflatoxigenic fungi leads to a hypothesis that aflatoxins are present naturally in soil and is transferred to seeds through uptake by roots. A survey was conducted on the natural occurrence of aflatoxins in agricultural soils, among nine main groundnut-growing regions of Karnataka state, India. All 71 soil samples collected in this survey were contaminated with aflatoxins esp. AFB1. An in vitro xylem sap experiment proved the ability of groundnut plant roots to absorb AFB1, and transport to aerial plant parts via the xylem. Hydroponics experiment also proved the uptake of AFB1 by the roots and their translocation to shoot. Uptake was affected by the initial concentration of toxin and pH of the medium. Among the 14 varieties screened, GPBD4 and MLT.K.107 (III) recorded highest and least AFB1 uptake, respectively. The above results were validated using a greenhouse experiment. Here, the aflatoxin absorbed by root gradually transferred to shoot that was later found in seeds towards the end of experiment. Thus, the groundnut seeds can also get contaminated with aflatoxin by direct uptake of aflatoxin through conducting tissue in addition to fungal infection. The present study revealed the novel mode of aflatoxin contamination in groundnut seeds without fungal infection. |
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title_short |
Transport via xylem and accumulation of aflatoxin in seeds of groundnut plant |
url |
http://dx.doi.org/10.1016/j.chemosphere.2014.07.033 http://www.ncbi.nlm.nih.gov/pubmed/25112578 |
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