التفاصيل البيبلوغرافية
| العنوان: |
Cadmium phytoextraction by Helianthus annuus (sunflower), Brassica napus cv Wichita (rapeseed), and Chyrsopogon zizanioides (vetiver) = Fitoextracción de cadmio por Helianthus annuus (girasol), Brassica napus cv Wichita (colza) y Chyrsopogon zizanioides (vetiver) |
| المؤلفون: |
Benavides Bolaños, Jhony Armando, Drohan, Patrick J., Spargo, John T., Maximova, Siela N., Guiltinan, Mark J., Miller, D. A. |
| بيانات النشر: |
Chemosphere |
| سنة النشر: |
2021 |
| المجموعة: |
Colecciones digitales - Biblioteca Virtual del Banco de la República |
| مصطلحات موضوعية: |
Cd, Phytoextraction, Cacao, Helianthus annuus, Brassica napus cv Wichita, Chyrsopogon zizanioides, Fitoextracción, Girasol, Colza, Vetiver, Ciencias naturales y matemáticas, Ciencias naturales y matemáticas / Ciencias de la tierra |
| جغرافية الموضوع: |
Colombia |
| الوصف: |
The use of phytoextraction plant species to accumulate soil metals into harvestable plant parts is a method used for managing soils with high cadmium (Cd). We evaluated three Cd accumulating species recently recommended for such use in cacao farms where Cd removal is needed to maintain markets: Helianthus annuus (sunflower), Brassica napus (rapeseed), and Chyrsopogon zizanioides (vetiver). Plants were grown in two greenhouse pot experiments with different Cd-spiked growth media: (sand plus perlite) and a natural soil. Plant total Cd and Cd uptake in shoot biomass of all species, across both experiments, increased linearly with increasing amounts of added Cd. Rapeseed had the highest plant total Cd and sunflower had the highest Cd uptake in shoot biomass. The highest application of Cd cor-responded to the highest plant total Cd and shoot biomass Cd uptake, regardless of species. The bio-concentration factor (BCF) for each species increased in a curvilinear manner with added Cd, with maximum BCF values for plants grown in the sand and perlite matrix at 2.5 mg kg-1 added Cd and in the natural soil at 5.0 mg kg-1 added Cd. We conclude that the Cd uptake (shoot biomass only) capability of the three species examined is greatest for sunflower given its increased uptake with Cd additions, its BCF value >1, and lack of observed visual Cd toxicity symptoms, fungus and insect damage. Although these species had BCF >1, the potential annual removal of Cd would have been too small to support a meaningful phytoextraction practice. Resumen: El uso de especies de plantas de fitoextracción para acumular metales del suelo en partes de plantas cosechables es un método utilizado para el manejo de suelos con alto contenido de cadmio (Cd). Evaluamos tres especies acumuladoras de Cd recientemente recomendadas para dicho uso en granjas de cacao donde es necesaria la eliminación de Cd para mantener los mercados: Helianthus annuus (girasol), Brassica napus (colza) y Chyrsopogon zizanioides (vetiver). Las plantas se ... |
| نوع الوثيقة: |
article in journal/newspaper |
| وصف الملف: |
PDF |
| اللغة: |
English |
| العلاقة: |
Colfuturo; http://babel.banrepcultural.org/cdm/ref/collection/p17054coll23/id/1974Test |
| الإتاحة: |
http://babel.banrepcultural.org/cdm/ref/collection/p17054coll23/id/1974Test |
| حقوق: |
© Derechos reservados del autor |
| رقم الانضمام: |
edsbas.4D96D96D |
| قاعدة البيانات: |
BASE |
