Category: Corn

Physoderma Brown Spot and Stalk Rot

Physoderma Brown Spot (PBS) and Physoderma Stalk Rot (PSR) are diseases in corn that have generally been considered minor until the last few years. Both versions of this disease are caused by  Physoderma maydis, a soil borne fungus. PBS is generally not an economically important disease but PNR has recently caused trouble in many areas…

Gray Leaf Spot of Corn

Gray Leaf Spot (GLS) of corn is a regular disease in the United States and can have significant affect on crop yields. This disease is caused by the fungus Cercospora zeae-maydis and has been growing in economic importance since the 1990s. Symptoms Gray leaf spot can be identified by its rectangular lesions. These narrow lesions…

Expect An Uneven Harvest for 2020

2020 has been an intense rollercoaster of issues and emotions and its not even over yet! Harvest will soon be upon us thanks to an ever increasing drought and severe storm damage. These conditions are likely to throw farmers some major curve balls but they aren’t anything we can’t prepare for. In general we will…

Rapid Growth Syndrome in Corn

  What is Rapid Growth Syndrome? Rapid Growth Syndrome occurs when corn goes through a sudden growth spurt and a drastic acceleration of its growth rate. This can happen after a few weeks of cool, cloudy weather that abruptly changes to warm and sunny or sometimes after a much needed rainfall. It is most likely…

Be Prepared For Potential Stalk Rots in Corn This Fall

Throughout the 2019 growing season, growers have faced significance issues from many different directions. Unfortunately we need to be prepared for yet another one: stalk rots in corn. What can lead to stalk rots? Stalk rot pathogens, such as Anthracnose and Fusarium, are always present in the environment but need certain weather and host conditions…

Planting Basics to get your corn off to the best start possible

We are all eager for fields to warm up and dry out so we can get to planting but before rushing in, here are some important points to think about to help start the corn off right. Corn Planting Depth – At Jacobsen Seed, we advocate a planter setting of 2.5”. This ensures the seed…

Correct Planting Depth is Key for Starting Corn Off Correctly

Corn planting depth affects many aspects in the developing plants life. Therefore, it is an important factor in reaching top end yield potential. At Jacobsen Seed, we advocate a planter setting of 2.5”. This ensures the seed is placed between 2.0” and 3.0” as seed size and bumps can cause some variability within the seed…

Prepare to Manage Sidewall Compaction Now to Protect Yield Potential at Planting Time

The 2017 growing season saw growers facing many yield robbing factors but an extremely common issue was sidewall compaction. Sidewall compaction occurs when the soil structure of the seed trench has been compromised and tightly compacted due to a combination of mechanical pressure and field moisture. Corn has a fibrous root structure. This makes it…

Planting Considerations After Cold, Wet Weather Delays Planting

By Nora Schultz, Sales Agronomist, CCA Abnormally cold and wet weather has put a slight delay on planting this season in our part of the world. Before changing your current planting plan, consider the following. CORN For much of Iowa and Nebraska optimum planting window can reach all the way to May 10th. For eastern…