Peanut disease advisory information

Peanut disease advisory emails began today, July 1. Advisories are delivered directly from the State Climate Office of North Carolina.  Check your promotions and spam folders if you do not receive an advisory.

Begin leaf sprays NO LATER THAN R3 (about 50 DAP) or July 10, whichever comes first, regardless of advisory. 

Note that the last effective spray date was in September 2021 for some locations. This means that NO sprays have been advised for that location so far this year. An example is shown for Rocky Mount below:

July 1, 2022 PEANUT LEAF SPOT ADVISORY FOR ROCK
Upper Coastal Plain Res Stn (Rocky Mount, NC)
setDate = 2022-06-28 19:00:00
lethal conditions = false
favorable hours = 17
LESD = 2021-09-29
ROCK Advisory: do not spray today
Growing degree days (base 56) since LESD = 1909.4
Growing degree days (base 56) since May 1 = 1134.4
Records count: 60 out of 61
Most recent db ob to 8am EDT: 2022-07-01 07:00:00

Information on how to use the peanut leaf spot advisory is attached and is posted at the NC State Peanut Portal https://peanut.ces.ncsu.edu

Be sure to check the Records count at the bottom of the advisory output. The records count indicates whether any data are missing from the advisory.  The advisory may not be reliable if there are several missing records.

You are also receiving Sclerotinia blight advisories. Start checking Sclerotinia advisories when rows are within 6 inches of touching. Risk of Sclerotinia blight is low until then. 

Email barbara_shew@ncsu.edu if you have questions about advisories, want to report problems, or if you want to be added or removed from the advisory mailing list.

Barbara Shew | Research Assistant Professor Emerita

Dept. of Entomology and Plant Pathology | NC State University

**All electronic mail messages in connection with State business which are sent to or received by this account are subject to the NC Public Records Law and may be disclosed to third parties**

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