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Category Posts for Grain Sorghum

28
Jul
2015
Sugarcane aphid distribution in Arkansas as of July 27, 2015
Author: Nick Seiter, Extension Entomologist

By Nick Seiter, Extension Entomologist Sugarcane aphid has been confirmed in grain sorghum in the following Arkansas counties so far in 2015: Chicot, Desha, Ashley, Arkansas, Lincoln, Phillips, Lonoke, White, Logan, Crittenden, Jefferson, Drew, Pulaski, Monroe, Lee, St. Francis, Cross, Jackson, Woodruff, Mississippi, Poinsett, Craighead, Yell, Clay, and Greene. We are adding fewer counties now, […]

25
Jul
2015
Arkansas Corn and Grain Sorghum Weekly Update – July 24, 2015
Author: Kevin Lawson, Program Associate - Corn & Grain Sorghum Verification

Corn and Grain Sorghum Update – Dr. Jason Kelley (Wheat and Feed Grains Specialist) Much of our March and April planted corn is getting near maturity and many have just finished up their last irrigation this week while other fields that were later planted may still need another irrigation or two to reach maturity.   Some […]

23
Jul
2015
Headworms Infesting Grain Sorghum
Author: Glenn Studebaker, Extension Entomologist

Photo by Kevin Lawson Dr. Glenn Studebaker, Dr. Gus Lorenz and Dr. Nick Seiter We are picking up headworms in grain sorghum all across the state. We are seeing all three species (corn earworm, fall armyworm and sorghum webworm) in some fields. Corn earworm and fall armyworm appear to be the predominant species in most […]

18
Jul
2015
Arkansas Corn and Grain Sorghum Weekly Update – July 17, 2015
Author: Kevin Lawson, Program Associate - Corn & Grain Sorghum Verification

Corn and Grain Sorghum Update – Dr. Jason Kelley (Wheat and Feed Grains Specialist) Corn and grain sorghum are progressing rapidly to maturity with recent warm temperatures. Most of the early planted corn in south Arkansas is likely being irrigated for the last time this week or early next week. Later planted corn and corn […]

17
Jul
2015
Corn and Grain Sorghum Irrigation Termination
Author: Jason Kelley, Wheat & Feed Grains Extension Agronomist

The end of the irrigation season is in sight for many of our early planted corn and grain sorghum fields. For the most part this year we have had to irrigate less than some years due to abundant rainfall, but recent high temperatures and lack of consistent rainfall makes having adequate soil moisture to maturity […]

15
Jul
2015
Sugarcane aphid distribution in Arkansas as of 7/15/2015
Author: Nick Seiter, Extension Entomologist

By Nick Seiter, Extension Entomologist Sugarcane aphid has been confirmed in grain sorghum in the following Arkansas counties so far in 2015: Chicot, Desha, Ashley, Arkansas, Lincoln, Phillips, Lonoke, White, Logan, Crittenden, Jefferson, Drew, Pulaski, Monroe, Lee, St. Francis, Cross, Jackson, Woodruff, Mississippi, Poinsett, and Craighead. This map will be updated weekly as the aphid […]

13
Jul
2015
Arkansas Corn and Grain Sorghum Weekly Update – July 10, 2015
Author: Kevin Lawson, Program Associate - Corn & Grain Sorghum Verification

Disease Update – Dr. Travis Faske (Extension Plant Pathologist)   Earlier this week southern rust was reported in five Arkansas counties:  Desha, Jackson, Jefferson, Lincoln, and Lonoke (Fig. 1). In 2014, southern rust was also detected in early July, but unlike last year warmer summer temperatures will promote crop maturity and disease development.  Therefore it […]

08
Jul
2015
Sugarcane aphid distribution in Arkansas as of 7/7/2015
Author: Nick Seiter, Extension Entomologist

By Nick Seiter, Extension Entomologist Sugarcane aphid has been confirmed in grain sorghum in the following Arkansas counties so far in 2015: Chicot, Desha, Ashley, Arkansas, Lincoln, Phillips, Lonoke, White, Logan, and Crittenden. This map will be updated weekly as the aphid continues to spread. In areas where sugarcane aphid has been found, sorghum needs […]

06
Jul
2015
Stink Bugs In Grain Sorghum – When Do We Treat?
Author: Glenn Studebaker, Extension Entomologist

We have been getting a lot of calls on stink bugs in grain sorghum and there has been some confusion on when to treat for these pests. Similar to other crops, the treatment level for stink bugs is dependent upon the growth stage of the sorghum plant. Because stink bugs feed on the developing seed, […]

05
Jul
2015
Fall Armyworms in Grain Sorghum
Author: Glenn Studebaker, Extension Entomologist

We are picking up fall armyworms in whorl stage grain sorghum. Most of these infestations are spotty across the field with about one worm per whorl in spots of about 10-20 plants. While plants may look rough, plants should recover with no significant yield loss. It generally takes several worms per whorl to cause enough […]