Sunday, August 7, 2011

Fungicide reminder

Just a quick reminder that this is the critical time to maintain stem rot control. From now until the end of the month, be sure that a fungicide that offers protection against stem rot is part of your spray program.

For example:
Provost at 8 -10 oz (best protection at higher rate)
Abound at 12-18 oz
Headline at 15 oz (may be less effective than above)
tebuconazole at 7.2 oz + 1 pt chlorothalonil or 6 oz Headline
Convoy at 13-16 oz + 1.5 pt cholrothalonil or 6-9 oz Headline

Scout for stem rot to be sure you are keeping it under control. As part of your scouting, pull up a few plants and check for evidence of the fungus (thick white growth) below ground.

Barbara Shew | Research Assistant Professor
Director, Plant Disease and Insect Clinic
Dept. of Plant Pathology | NC State University
100 Derieux Place | 3404 Gardner Hall
Campus box 7616 | Raleigh, NC 27695-7616
919.515.6984 (O) | 919.810.8735 (M)
Clinic web page
My web page

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