Abstract
Abstract Several soil characteristics have been studied in relation to Fusarium wilts in field plots of banana plantations of Gran Canaria Island (Spain). Principal component analysis has been applied to soil chemical parameters, the aim being to determine the possible relationships between the apparition and development of the Fusarium wilts and soil characteristics. The results seem to indicate that there is a relationship between the disease incidence and the values of some parameters like pH, cation exchange capacity (CEC), sodium (Na) in solution, and iron (Fe); pH, CEC, and Na values were significantly smaller in areas affected by the disease. However, the values of Fe extracted with DTPA and Fe associated with fulvic acids were significantly higher in disease affected areas; the same tendency was observed in the values of total carbon (C) and nitrogen (N) in the different areas. Other parameters studied, like exchangeable cations, Fe‐oxalate, etc., have not showed either differences or general tendencies. These results seem to suggest that the absence and/or presence of disease could be controlled partly for the chemical characteristics of the different soil areas of the same field plot.
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Claims 8
Claim · model-written summary
Soil pH was significantly lower in disease affected banana areas.
FusariumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pH, CEC, and Na values were significantly smaller in areas affected by the disease”
t0“Fusarium wilts in banana crops”
Claim · model-written summary
CEC was significantly lower in disease affected banana areas.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pH, CEC, and Na values were significantly smaller in areas affected by the disease”
t0“Fusarium wilts in banana crops”
Claim · model-written summary
Na values were significantly lower in disease affected banana areas.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pH, CEC, and Na values were significantly smaller in areas affected by the disease”
t0“Fusarium wilts in banana crops”
Claim · model-written summary
DTPA extracted iron was significantly higher in disease affected banana areas.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the values of Fe extracted with DTPA and Fe associated with fulvic acids were significantly higher in disease affected areas”
t0“Fusarium wilts in banana crops”
Claim · model-written summary
Iron associated with fulvic acids was significantly higher in disease affected banana areas.
- Taxon
- bananat0
- Outcome
- Fe associated with fulvic acidse0
- Direction
- highere0
- Setting
- disease affected arease0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the values of Fe extracted with DTPA and Fe associated with fulvic acids were significantly higher in disease affected areas”
t0“Fusarium wilts in banana crops”
Claim · model-written summary
Total carbon tended to be higher in disease affected areas.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the values of Fe extracted with DTPA and Fe associated with fulvic acids were significantly higher in disease affected areas; the same tendency was observed in the values of total carbon (C) and nitrogen (N) in the different areas”
t0“Fusarium wilts in banana crops”
Claim · model-written summary
Nitrogen tended to be higher in disease affected areas.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the values of Fe extracted with DTPA and Fe associated with fulvic acids were significantly higher in disease affected areas; the same tendency was observed in the values of total carbon (C) and nitrogen (N) in the different areas”
t0“Fusarium wilts in banana crops”
Claim · model-written summary
Exchangeable cations and Fe oxalate showed no general difference or tendency.
- Taxon
- bananat0
- Outcome
- exchangeable cations, Fe‐oxalatee0
- Direction
- have not showed either differences or general tendenciese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Other parameters studied, like exchangeable cations, Fe‐oxalate, etc., have not showed either differences or general tendencies”
t0“Fusarium wilts in banana crops”