Author Archive

About Shawn Askew, Ph.D.

Posts by Shawn Askew, Ph.D.

Ferrous sulfate for dollar spot suppression Posted on 15 Mar 2017 in the Research categories.

Researchers at Virginia Tech demonstrated in 2012 that ferrous sulfate applied at 1 lb./1,000 sq. ft. (20 percent ferrous sulfate-heptahydrate) can reduce dollar spot pressure without traditional fungicides. Because previously Read more»

A new key to Poa annua seedhead suppression Posted on 26 Aug 2016 in the 0816 & Featured & Research categories.

Research shows an early application of Proxy (ethephon) provides consistent Poa annua seedhead suppression. Annual bluegrass (Poa annua) seedhead suppression long has been among the more unpredictable turf management objectives Read more»