Will the remaining sorghum reach maturity before the first freeze? Find out the answer and what factors are involved in this article from Cropping Systems Specialist Ignacio Ciampitti.
Considerable levels of stalk rot have been occurring in corn in 2019 and these same weather conditions are also favorable for stalk rot development in grain sorghum.
Be ready for the 2020 growing season with these three updated crop management publications from the Department of Agronomy and K-State Research and Extension. These comprehensive guides are written specifically for Kansas and contain valuable agronomic information.
The sugarcane aphid has now been reported in several counties in Kansas . Producers should be scouting their fields on a routine basis. Read more about scouting methods and treatment thresholds in this article.
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.
The dry down process for grain sorghum is affected by several factors including temperature, humidity, and late-season stress conditions. Read more about the dry down process and how to estimate when sorghum will be ready to harvest.
In general, disease pressure was lower than normal for corn, soybeans, and grain sorghum. The dry weather at critical growth periods contributed to lower incidences of yield-limiting diseases. Read more in this article from Extension Plant Pathology.
There can be considerable environmental variation across the state during the growing season of grain sorghum, with a high probability of drought after flowering when moving toward the west. Tailoring the right management strategy to every site is critical to increase productivity and reduce the impact of abiotic stressors. The most critical planting practices affecting yields in sorghum are: row spacing, row arrangement, seeding rate/plant population, planting date, and hybrid maturity.
Double cropping after wheat harvest can be a high-risk venture. The available growing season is relatively short. Heat and/or dry conditions in July and August may cause problems with germination, emergence, seed set, or grain fill. Ample soil moisture this year can aid in establishing a successful crop after wheat harvest. Read more about herbicide carryover potential and management considerations for double cropping with soybeans, sorghum, sunflowers, summer annual forages, and corn.
While sorghum is a valuable forage crop, sorghum species can produce prussic acid, which can be toxic to livestock. The potential for toxic levels of prussic acid is affected by several different factors. If proper management occurs, sorghum can be a safe and beneficial forage crop.
An old pest is back and has a new name. Sorghum aphids, formerly called sugarcane aphids, are showing up in Kansas fields. Grain sorghum producers should be scouting their fields on a routine basis. Early detection is important, but treatments should be based on established thresholds.
Yield estimates prior to harvest can be helpful for producers to make informed management decisions for the crop while there is time before harvest. As sorghum gets closer to maturity, yield estimates will be more accurate. Nonetheless, you can start taking yield estimations three to four weeks after flowering.
In order to best estimate the yield potential of grain sorghum, you need to understand the main plant components of yield. These components are number of plants, tillers per plant, seeds per head, and seeds per pound. The interaction among all four components will determine the actual yield, but a wide range of variation can be expected in all these main yield-driving factors.
With row crop harvest well underway, it is time to start planning fall herbicide applications. Herbicide applications in late October through November can improve control of difficult winter annual weeds. However, it is important to remember that fall-applied herbicides may limit your crop options in the spring.
In recent years, a common question from producers is related to the dry down rate for sorghum when approaching the end of the season. The dry down process can be delayed by low temperatures, high humidity, and high grain moisture content at black layer. Learn more in this article from KSU farming systems specialist, Ignacio Ciampitti.