Use of Bleach as a Disinfectant in Post-Harvest Washing Systems
July 21, 2014
USDA has recently noticed that some growers are using bleach (Clorox TM) as a disinfectant in post-harvest washing systems. Disinfectants are regulated the same way as pesticides and unless the label on the bottle indicates EPA approval for washing fruits and vegetables, it is against federal law to use it for that purpose.
Pond Algae – It’s Not All Bad!
July 21, 2014
July and August often bring numerous calls and emails to Penn State Extension from pond owners about nuisance growth of algae. While long strands of filamentous algae are unappealing and have little value to the pond ecosystem, some other types of pond algae can actually provide important benefits to a pond.
What is this Plant in my Pond?
July 17, 2014
At this time of year, many calls are received at the Extension office from individuals who are interested in finding out how to eliminate aquatic plants that have suddenly taken over their ponds and have become a problem either aesthetically or for the pond’s recreational use.
Intersex Fish Now in Three Pennsylvania River Basins
July 14, 2014
Intersex fish have been found in Pennsylvania’s Susquehanna, Delaware and Ohio river basins, indicating that the effects of endocrine-disrupting chemicals are more widespread than previously known. New U.S. Geological Survey-led research published in Environmental Monitoring and Assessment found two fish species, smallmouth bass and white sucker, exhibiting the effects of exposure to endocrine-disrupting chemicals. Intersex characteristics caused by hormones and hormone-mimicking compounds include immature eggs in male fish.