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Registros recuperados: 3
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Movement of Escherichia coli in soil as applied in irrigation water. Repositório Alice
SHOCK, C. C.; PINTO, J. M.; LAUBACHER, T. A.; ROSS, R. D.; MAHONY, A. C.; KREEFT, H.; SHOCK, B. M..
The US Food and Drug Administration (FDA) has proposed that If irrigation water exceeds 235 colony-forming units (CFU) of E. coli /100 ml in any one sample or 126 CFU/100 ml in the average of any five consecutive samples, growers would have to cease using that water in any way that directly contacts the surface of fresh produce (FDA 2013). The FDA has proposed that these E. coli levels are an indication of high risk of bacterial contamination of fresh onion (Allium cepa L.) bulbs regardless of the irrigation system. If onion irrigation exceeds 235 CFU, it is not known whether the contaminated water applied by furrow or drip irrigation actually reaches the onion bulb. Soil could filter E. coli and other bacteria before irrigation water reaches onion bulbs....
Tipo: Parte de livro Palavras-chave: Onion.; Cebola; Irrigação; Água; Allium Cepa; Bactéria; Escherichia Coli..
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/970550
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Simulated filtration pond to remove Escherichia coli from irrigation water. Repositório Alice
ROSS, R. D.; SHOCK, C. C.; LAUBACHER, T. A.; PINTO, J. M.; MAHONY, A. C..
The United States Food and Drug Administration?s (FDA) proposed water rules to implement the Food Safety Modernization Act (FSMA) could leave some growers, especially those who rely on an irrigation system based on recycled water, unable to irrigate fresh produce with their irrigation water, especially those who rely on an irrigation system based on recycled water. Irrigation water could be treated with chlorine, ozone, or other product to reduce the bacterial load in the water; however, at present not one of these options has been approved by the Environmental Protection Agency for treating irrigation water. In an attempt to reduce the number of bacteria present in irrigation water entering a farm, a simulated filter pond was constructed using gravel,...
Tipo: Parte de livro Palavras-chave: Onion.; Cebola; Irrigação; Allium Cepa; Bactéria; Escherichia Coli..
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/970584
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Survival of Escherichia coli on onion during field curing and packout. Repositório Alice
SHOCK, C. C.; PINTO, J. M.; LAUBACHER, T. A.; ROSS, R. D.; MAHONY, A. C.; KREEFT, H.; SHOCK, B. M..
The Food and Drug administration has expressed concern that Onions (Allium cepa) irrigated with water contaminated with high rates of Escherichia coli could harbor E. coli on their surface or interior. On the other hand, since onions contain antimicrobial compounds and field conditions may not be conducive to E. coli survival, the E. coli population on the surface of onions might become negligible through the course of field curing. Further, the relationship between the E. coli in the irrigation water to the E. coli on onion bulbs after field curing, harvest, and packout has not been studied. To determine if E. coli should be of concern in onion production, we sought to measure the die-off of E. coli on onions between the last irrigation and harvest and...
Tipo: Parte de livro Palavras-chave: Onion.; Cebola; Irrigação; Allium Cepa; Bactéria; Contaminação; Escherichia Coli..
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/970551
Registros recuperados: 3
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