Crop scouting reports

Crop scouting is an essential part of integrated pest management (IPM). Scouting programs are designed to protect and maximize crop yield and quality while minimizing the risk associated with pesticide use. 

Each week, an extension agronomy specialist scouts fields in Barton County and then report their findings through an automated phone service and email message. The message will go out to everyone signed up for the program.

The weekly field scouting report is sponsored by University of Missouri Extension and Barton County Extension.  To receive the 2018 weekly scouting reports, print the Crop Scouting Enrollment Form, complete and return with payment to Barton County Extension, 801 E 12th, Lamar, MO 64759 or contact the MU Extension Center in Barton County, 417-682-3579.

The cost of the program is only $35 per phone number, $95 for three numbers and $30 per phone number for those with four or more. 

Crop Scouting Enrollment Form (PDF)

Current report

May 30, 2018

Pest Threat Low, Except for Weeds


LAMAR, Mo. –Jill Scheidt, agronomy specialist with University of Missouri Extension, scouted fields east of Carthage May 30.


Wheat has turned color and is in the soft dough stage.

Scheidt observed glume blotch, identified as brown lesions on the kernel. “Differentiate glume blotch from other head diseases by using a hand lens to find fruiting bodies on the lesion,” said Scheidt. According to Kaitlyn Bissonnette, pathologist with University of Missouri Extension, glume blotch usually only causes significant yield damage in wetter years when a lot of septoria is present on leaves. Warm, wet conditions and prolonged leaf wetness encourage development. “This season was likely dry enough that the disease will not cause significant yield loss,” said Scheidt.


Corn ranged from the 8 to 12 leaf stage.

“Overall, plants looked to be very healthy and green. Remember the optimal time for nitrogen application in corn is the 6-8 leaf stage, but corn will respond to an application up to tassel,” said Scheidt.


Soybeans were in the third trifoliate stage.

“Soybean nodules begin to fix nitrogen during this stage. Split nodules open and look for pink or red insides to confirm nitrogen fixation. White, green or brown nodule insides are not fixing nitrogen,” said Scheidt.


Scheidt scouted fescue pastures for armyworms. “No live armyworms were found, but I saw a lot of parasitized ones on fescue heads,” said Scheidt.

Kevin Rice, entomologist with University of Missouri Extension, suggests continuing to scout for fall armyworm as there is a possibility of early appearance with the usually warm temperatures.

For more information about the program, or to sign up for the program, contact Jill Scheidt at the Barton County Extension office, (417) 682-3579. 



MU Extension
University of Missouri Extension programs focus on the high-priority needs of Missourians to improve lives, communities and economies by providing relevant, responsive and reliable educational solutions. Each county extension center, with oversight by locally elected and appointed citizens, is your local link to practical education on almost anything. More information on this topic is available online at


Previous 2018 Crop Scouting Reports

May 30 PDF

May 23 PDF

May 16 PDF

May 9 PDF

May 2 PDF

April 25 PDF

April 18  PDF

April 11 PDF

April  4 PDF

March 28 PDF

March 21 PDF

March 14 PDF

March 7 PDF


Links to other resources:

Recommended fungicides for stripe rust

University of Florida velvetbean caterpillar information

"Estimating Corn Grain Yield prior to Harvest"  (Purdue University

“Grain Fill Stages in Corn” article from Purdue University

2015 Pest Management Guide

Make the most from late planted soybean

Assessing soybean plant stands


Current soil temperatures in Lamar are updated every five minutes and can be found at