Publications by authors named "Margaret Moodispaw"

Hydroponic farming systems play an increasingly important role in the sustainable production of nutrient-rich foods. The contamination of surfaces in hydroponic fresh produce production poses risks to the food safety of crops, potentially endangering public health and causing economic losses in the industry. While sanitizers are widely used in commercial hydroponic farms, their effectiveness against human pathogens on surfaces and their impact on plant health and quality are not known.

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Corky root rot is an important disease in tomato production systems and is caused by and (formerly Types 1 and 2, respectively). The corky root rot pathogens are slow growing and difficult to isolate and quantify in soil and plant tissue. A multiplex hydrolysis probe-based qPCR assay was designed to allow for simultaneous detection and quantification of and with a competitive internal control to indicate if qPCR inhibitors are present.

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Article Synopsis
  • Hydroponic vegetable production is growing worldwide, but there's a gap in science-backed food safety strategies, especially concerning water management.
  • A study investigated the persistence of pathogens, Salmonella Typhimurium and Listeria monocytogenes, in nutrient flow technology (NFT) systems during lettuce growth, finding that both pathogens remained present throughout the production cycle.
  • The research revealed significant fluctuations in pathogen levels in the nutrient solution and highlighted the urgent need for new methods to reduce contamination risks in hydroponic systems.
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