Food Protection Trends - May/June 2024 - 242
Gu et al. (44) inoculated greenhouse-grown tomato
plants with Salmonella and evaluated the effects of pesticide
(acibenzolar-S-methyl, PAA, copper hydroxide, and
streptomycin sulfate) solutions on the pathogen's growth
and survival in both whole and ground leaves up to 9 days
after inoculation. Two days after inoculation, PAA and
streptomycin sulfate reduced Salmonella levels on tomato
leaves by approximately 5.0 and 4.0 CFU/g, respectively.
At 2 days postinoculation, copper hydroxide application
reduced Salmonella populations by 6.3 CFU/g in ground
tomato leaves. At 6 and 9 days postinoculation, no significant
differences in Salmonella populations were observed with any
of the pesticide solutions. Although these experiments were
performed on contaminated plants, similar effects would be
expected, based on the findings of Lopez-Velasco et al. (71),
if Salmonella-contaminated water were used to create pesticide
solutions. Although agrochemical effects have not been
a major focus in produce-related agricultural water research,
agrochemical concentrations, especially in environmental
runoff or agricultural surface irrigation runoff (tailwater)
blended with other water sources, could play a role in the
contamination of agricultural surface water sources.
CONCLUSION
Agricultural water is used in various ways before and after
and planting and harvesting activities. Use of agricultural
water that is " safe and of adequate sanitary quality for its
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intended use " is the paramount requirement of the FDA's
proposed agricultural water requirements (subpart E) of
the PSR. Because agricultural water has long been known to
pose a contamination risk to produce crops, monitoring the
microbial quality of this water is a core element of produce
growers' food safety programs. Human pathogens have been
detected in numerous studies of waterbodies on U.S. produce
farms and in the surrounding watersheds. Watersheds in
produce-growing regions tend to have higher human pathogen
detection rates than do on-farm waterbodies. Of public
health concern is human pathogen persistence in agricultural
water, because contamination of this water increases the
likelihood of produce contamination when this water is used
on crops. Research has provided a better understanding of
the roles that plants, agrochemicals, and sediment play in
the persistence of pathogens in water and the potential ways
these roles could be exploited to improve agricultural water
quality. As the produce industry awaits the finalization of
PSR subpart E requirements, producers are moving ahead in
their efforts to increase awareness and understanding of the
science related to assessing and effectively managing microbial
hazards that pose a risk to the food safety and adequate
sanitary quality of agricultural water.
242 Food Protection Trends May/June
http://www.unitedfresh.org
Food Protection Trends - May/June 2024
Table of Contents for the Digital Edition of Food Protection Trends - May/June 2024
Ambient Temperature and Relative Humidity Remained Stable after Prolonged Application of Superheated Steam in Enclosed Spaces
Understanding the Food Safety Needs of Small and Very Small Processors in the Northeast United States: Food Safety Communicator and Regulator Perspectives
Mitigating Mushroom Risks: Evaluating Cooking Practices for Salmonella Reduction in Dried Mushrooms
Examining Age and Food Irradiation Knowledge as Influential Factors on the Purchase of Irradiated Foods: United States, August 2022
Beyond the Bio Nathan Mirdamadi
PDG Highlight Pre-Harvest PDG
General Interest Paper Agricultural Water Use in U.S. Fresh Produce Growing Operations—Part I: Pathogen Presence and Persistence
Industry Products
Coming Events
Food Protection Trends - May/June 2024 - Cover1
Food Protection Trends - May/June 2024 - Cover2
Food Protection Trends - May/June 2024 - 145
Food Protection Trends - May/June 2024 - 146
Food Protection Trends - May/June 2024 - 147
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Food Protection Trends - May/June 2024 - 149
Food Protection Trends - May/June 2024 - 150
Food Protection Trends - May/June 2024 - 151
Food Protection Trends - May/June 2024 - Ambient Temperature and Relative Humidity Remained Stable after Prolonged Application of Superheated Steam in Enclosed Spaces
Food Protection Trends - May/June 2024 - 153
Food Protection Trends - May/June 2024 - 154
Food Protection Trends - May/June 2024 - 155
Food Protection Trends - May/June 2024 - 156
Food Protection Trends - May/June 2024 - 157
Food Protection Trends - May/June 2024 - 158
Food Protection Trends - May/June 2024 - 159
Food Protection Trends - May/June 2024 - Understanding the Food Safety Needs of Small and Very Small Processors in the Northeast United States: Food Safety Communicator and Regulator Perspectives
Food Protection Trends - May/June 2024 - 161
Food Protection Trends - May/June 2024 - 162
Food Protection Trends - May/June 2024 - 163
Food Protection Trends - May/June 2024 - 164
Food Protection Trends - May/June 2024 - 165
Food Protection Trends - May/June 2024 - 166
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Food Protection Trends - May/June 2024 - 170
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Food Protection Trends - May/June 2024 - 177
Food Protection Trends - May/June 2024 - 178
Food Protection Trends - May/June 2024 - 179
Food Protection Trends - May/June 2024 - 180
Food Protection Trends - May/June 2024 - 181
Food Protection Trends - May/June 2024 - Mitigating Mushroom Risks: Evaluating Cooking Practices for Salmonella Reduction in Dried Mushrooms
Food Protection Trends - May/June 2024 - 183
Food Protection Trends - May/June 2024 - 184
Food Protection Trends - May/June 2024 - 185
Food Protection Trends - May/June 2024 - 186
Food Protection Trends - May/June 2024 - 187
Food Protection Trends - May/June 2024 - 188
Food Protection Trends - May/June 2024 - Examining Age and Food Irradiation Knowledge as Influential Factors on the Purchase of Irradiated Foods: United States, August 2022
Food Protection Trends - May/June 2024 - 190
Food Protection Trends - May/June 2024 - 191
Food Protection Trends - May/June 2024 - 192
Food Protection Trends - May/June 2024 - 193
Food Protection Trends - May/June 2024 - 194
Food Protection Trends - May/June 2024 - 195
Food Protection Trends - May/June 2024 - Beyond the Bio Nathan Mirdamadi
Food Protection Trends - May/June 2024 - 197
Food Protection Trends - May/June 2024 - 198
Food Protection Trends - May/June 2024 - PDG Highlight Pre-Harvest PDG
Food Protection Trends - May/June 2024 - 200
Food Protection Trends - May/June 2024 - 201
Food Protection Trends - May/June 2024 - 202
Food Protection Trends - May/June 2024 - 203
Food Protection Trends - May/June 2024 - 204
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Food Protection Trends - May/June 2024 - 221
Food Protection Trends - May/June 2024 - 222
Food Protection Trends - May/June 2024 - 223
Food Protection Trends - May/June 2024 - 224
Food Protection Trends - May/June 2024 - 225
Food Protection Trends - May/June 2024 - 226
Food Protection Trends - May/June 2024 - 227
Food Protection Trends - May/June 2024 - General Interest Paper Agricultural Water Use in U.S. Fresh Produce Growing Operations—Part I: Pathogen Presence and Persistence
Food Protection Trends - May/June 2024 - 229
Food Protection Trends - May/June 2024 - 230
Food Protection Trends - May/June 2024 - 231
Food Protection Trends - May/June 2024 - 232
Food Protection Trends - May/June 2024 - 233
Food Protection Trends - May/June 2024 - 234
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Food Protection Trends - May/June 2024 - 245
Food Protection Trends - May/June 2024 - 246
Food Protection Trends - May/June 2024 - 247
Food Protection Trends - May/June 2024 - Industry Products
Food Protection Trends - May/June 2024 - 249
Food Protection Trends - May/June 2024 - 250
Food Protection Trends - May/June 2024 - 251
Food Protection Trends - May/June 2024 - Coming Events
Food Protection Trends - May/June 2024 - Cover3
Food Protection Trends - May/June 2024 - Cover4
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