eUpdate Articles Tagged: grain sorghum


Update on insect activity in grain sorghum - August 10, 2018

grain sorghum insects sorghum 

Sorghum midge: Implications for grain sorghum in central and western Kansas

sorghum grain sorghum damage insect 

2018 Kansas Performance Tests with grain sorghum hybrids report now available

sorghum grain sorghum Performance Tests 

Weed control strategies for grain sorghum

weeds grain sorghum weed control sorghum 

Rate of dry down in sorghum before harvest

What factors affect the rate of dry down in grain sorghum? This is a question on the minds of many producers as harvest draws closer and temperatures drops. Find out more in this article from KSU CROPS.

drydown grain sorghum 

Pre-emergence herbicides for grain sorghum

Pre-emergence herbicide programs for corn were discussed in a recent eUpdate article. The role of pre-emergence herbicides is similar in both corn and grain sorghum, and some herbicides are similar. Read more here from Dr. Sarah Lancaster.

grain sorghum pre-plant herbicide weed control 

Sorghum management considerations: Planting practices

The most critical planting practices affecting yields in sorghum are: row spacing, row arrangement, seeding rate/plant population, planting date, and hybrid maturity. Read more about the best sorghum planting practices from Cropping Specialist Ignacio Ciampitti.

planting grain sorghum seeding rate row spacing hybrid selection 

In-season Palmer amaranth control in grain sorghum

With adequate moisture and high temperatures, Palmer amaranth populations are rapidly growing and causing concern for some sorghum producers in western Kansas. What options to growers have at this point in the growing season? Read more in the article from weed scientist Dr. Vipan Kumar.

grain sorghum weed control palmer amaranth post-emergence 

Grain sorghum yield potential: Understanding the main yield components

To make the best estimate of the yield potential of grain sorghum, you need to understand the main yield-driving factors. What are the primary components that influence grain sorghum yield?

grain sorghum yield potential 

Grain sorghum yield potential: An on-farm calculation

Estimating crop yields before harvest can be difficult. For sorghum, yield estimates can be calculated 3 to 4 weeks after flowering. However the final seed number and seed weight can still change. Estimates are more accurate the closer to harvest.

grain sorghum yield potential 

Sorghum development and potential freeze injury

Grain sorghum maturity is significantly ahead of last year and close to the 5-year average. What effect did the early September cold snap have on crop development? Will the remaining sorghum reach maturity before the first freeze? Read more here from K-State Agronomy.

sorghum grain sorghum freeze injury cold temperatures 

Check for stalk rots prior to grain sorghum harvest

It is important to check corn and sorghum fields for stalk rot diseases prior to harvest. Stalk rot is a stress-related disease. Any stress on a crop can increase both the incidence and severity of stalk rot.

stalk rot grain sorghum fusarium stalk rot charcoal rot 

Prussic acid in sorghum following a hard freeze

After a hard freeze, there could be questions regarding prussic acid in sorghum. Prussic acid poisoning is more of a concern when grazing sorghum than when harvested for hay or silage.

grain sorghum prussic acid hard freeze 

Herbicide-resistant grain sorghum hybrids - Are they here yet?

Herbicide-resistant grain sorghum has been a topic of conversation for several years. This article will provide an overview of weed management in these herbicide-resistant grain sorghum systems.

grain sorghum herbicide resistance 

IMIFLEX herbicide receives EPA approval for igrowth grain sorghum

As of late December, grain sorghum farmers have access to IMIFLEX™ herbicide to use in igrowth® grain sorghum for the 2021 growing season. Read more about the target weeds, use rates, and rotation intervals in this article.

grain sorghum weed control herbicide resistance IMIFLEX 

2020 Kansas Performance Tests with Grain Sorghum Hybrids

The results from the 2020 Kansas Performance Tests with grain sorghum hybrids are now available online. These tests provide valuable information on many of the sorghum hybrids marketed in Kansas.

grain sorghum Performance Tests  

2021 Grain sorghum management publication now available

K-State Research and Extension has released the latest Kansas Sorghum Management publication. This comprehensive guide is written specifically for Kansas and includes valuable, up-to-date information on many aspects of sorghum production.

grain sorghum publication  

Pre-emergence herbicides for grain sorghum

With few post-emergence herbicide options for control of grass species and Palmer amaranthl in grain sorghum, having an effective pre-emergence herbicide program is very important. Learn more about the different soil-applied residual herbicides in this article.

grain sorghum weed control pre-emergence residual herbicides 

Imazamox-resistant shattercane populations identified from sorghum fields in northwest Kansas

Shattercane is a summer annual grass weed species commonly present in grain sorghum producing regions, including Kansas. Current research studies in western KS have identified 3 populations of shattercane with low-to-moderate resistance to imazamox.

grain sorghum herbicide resistance shattercane 

Sorghum management considerations: Planting practices

The most critical planting practices affecting yields in grain sorghum are: row spacing, row arrangement, seeding rate/plant population, planting date, and hybrid maturity. Learn which planting practices are best suited for your location and cropping system.

planting grain sorghum seeding rate row spacing plant population 

Palmer amaranth control in grain sorghum

Pre-emergence herbicides are critical for successful weed management in grain sorghum, especially for difficult to control species like Palmer amaranth. When pre-emergence control efforts fail, learn the best options for Palmer amaranth in sorghum fields later in the growing season.

grain sorghum palmer amaranth post-emergence herbicide resistance 

Sorghum midge activity in the Southwest

Grain sorghum is in various stages of flowering in the southwest right now. Once flowering begins, growers might want to keep an eye out for sorghum midge. Learn the best way to scout for these pests and how to properly identify midge damage to sorghum.

insects grain sorghum scouting sorghum midge 

Grain sorghum yield potential: An on-farm calculation

Estimating crop yields before harvest can be variable, but producers often like to know about the potential yield of their crops. As the sorghum crop gets closer to full maturity, yield estimates will be more accurate because the seed weight will be closer to being set.

grain sorghum yield potential yields 

Grain sorghum yield potential: Understanding the main yield components

In order to best estimate the yield potential of grain sorghum, you need to understand the main plant components of sorghum yield. These components are the main yield-driving factors. Learn about these factors and the roles they play in determining final grain sorghum yields.

grain sorghum yield estimates yield components 


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