An article featured in the journal Weed Science sheds important new light on the genetics and potential control of Palmer amaranth and waterhemp -- two troublesome Amaranthus species weeds that are resistant to multiple herbicides.
Waterhemp and Palmer amaranth, two aggressive weeds that threaten the food supply in North America, are increasingly hard to kill with commercially available herbicides. A novel approach known as genetic control could one day reduce the need for these chemicals. Now, scientists are one step closer.
Bee populations are declining, and neonicotinoid pesticides continue to be investigated -- and in some cases banned -- because of their suspected role as a contributing factor. However, limitations in sampling and analytical techniques have prevented a full understanding of the connection. Now, researchers describe in the ACS journal Environmental Science & Technology a new approach to sample neonicotinoids and other pesticides in plants, which could explain how bees are exposed to the substances.
A regional laboratory found residues of carbofuran when analyzing frozen 'red chili without stalks' for plant protection products. The Federal Ministry of Food and Agriculture (BMEL) thereupon asked the German Federal Institute for Risk Assessment (BfR) to make a health assessment for the sample. The result was that a risk to the health of consumers is unlikely according to the latest available scientific knowledge.
To what extent are residues of plant protection products contained in food? With a new orientation value (status indicator) established within the scope of the National Action Plan (NAP) for the sustainable use of plant protection products, the German Federal Institute for Risk Assessment (BfR) wants to create more clarity for consumers.
A new study of cabbage crops in New York -- a state industry worth close to $60 million in 2017, according to the USDA -- reports for the first time that the effectiveness of releasing natural enemies to combat pests depends on the landscape surrounding the field.
Coral bleaching is not just due to a warming planet, but also a planet that is simultaneously being enriched with reactive nitrogen from sources like improperly treated sewage, and fertilizers. Nitrogen loading from the Florida Keys and greater Everglades ecosystem caused by humans is the primary driver of coral reef degradation in Looe Key. These coral reefs were dying off long before they were impacted by rising water temperatures. Elevated nitrogen levels cause phosphorus starvation in corals, reducing their temperature threshold for bleaching.
The discovery of a more effective method to estimate polluting emissions from nitrogen fertilizers.
Research determines bioavailable nitrogen content of different biosolid products.
Findings from La Trobe University-led research could lead to less fertilizer wastage, saving millions of dollars for Australian farmers.