by Patrick Shepard, Delta Farm Press
Louisiana witnessed a shift from root-knot to reniform nematodes in the late 1980s and 1990s. “We conducted nematode survey work in cotton in the mid-1990s, and found that 50 percent of the fields had reniform and only 25 percent had root-knot,” says Louisiana State University AgCenter plant pathologist Charles Overstreet.
“However, we’re now moving slightly back in the other direction because we’re rotating more with corn; we’re now finding a mixture of both reniform and root-knot in cotton fields. Corn is a host for root-knot, but not reniform, so yearly rotation helps manage reniform nematodes. Many Louisiana growers now plant one year with cotton and one with corn.” Continue reading
Filed under: news | Tagged: Charles Overstreet, nematodes, Phytogen, plant disease, plant pathology, reniform nematode, root-knot nematode, Telone, Veris EC | Leave a comment »
