It is in the early stages now, focusing on poplar trees. The scientists are examining the pollen shielding on the genetic level to determine how to reproduce the protection in root systems ...

Studies with male transgenic poplar trees containing a male-sterility gene showed that several transgenic events had very low or undetectable levels of pollen production, which persisted over ...

A look at the allergy forecast shows that tree pollen is expected to be high right through the weekend. The main allergens are Maple, Elm, and Poplar. Gusty winds this weekend will also help to ...