Tag: Disease

The majority of the soybean crop, planted early or late, is beginning to bloom or is now setting pods. This is the appropriate time in the growing season for growers to make a decision on spraying a fungicide on soybeans.  The common questions are when to spray, what to spray, and whether it will be […]

Over the 2024-2025 wheat growing season we conducted an on-farm trial in Anderson county evaluating the efficacy and return on investment (ROI) of applying fungicides to wheat. We compared 3 treatments; 1 fungicide spray at flowering, 2 fungicide sprays with one at green up and one at flowering, and an untreated check. A 40 acre […]

Fungicides with 2,4-DB Where compatible, combining different products in a single application saves time and fuel spent going across a field. While that much is itself apparent, we also know not everything can be mixed physically or functionally without gumming up/coagulating or causing reduced application efficacy. It is not uncommon for 2,4-DB to be applied […]

From Dr. John Mueller, Extension Nematologist/Plant Pathologist: Things are picking up speed in the world of corn foliar diseases. Dr. Kemerait who is my counterpart in Georgia is now reporting Southern rust on corn in Wayne County Georgia.  Wayne County is in Southeast Georgia.  That is 150 miles from the Edisto REC.  With current rain […]

From Dr. John Mueller: Southern rust has been found in two counties, Tift and Seminole, in southwest Georgia. The normal pattern is for southern rust to “blow up” across GA to SC. Simply put, the current weather pattern is perfect for this to happen.  Things could happen quickly! If your corn is at or past tasseling, […]

From Dr. John Mueller (Extension Nematologist and Pathologist) I am not about to comment on what type of weather everyone has endured over the last month other than to say some of you are still in a mild drought and those of us at Edisto REC got 12 inches of rain in May and 5 […]

I am sure by now everyone has heard that they have found Southern rust on corn and Soybean rust on kudzu in southwest Georgia. There has been a strong weather pattern of winds and rain blowing from the southwest towards us so it is possible diseases of all types could come in on a storm.  […]

CORN: Foliar diseases: The only disease that spreads during this type of weather is Southern rust. But we are not seeing this yet in South Carolina. It is present in South Georgia. I am attaching a copy of the “Fungicide Efficacy for Control of Corn Diseases – January 2022” table put out by the “Corn […]

I am sure that many of you get various forms of information from other states. Dr. Kemerait in Georgia is very good about sending out updates several times a week, and I am sure there are other specialists who do the same. I thought I would try to send out what we are seeing primarily […]

Lesions on the Leaf Late leaf spot is starting to be found in more fields this week, including those with timely and expensive fungicide programs. Switching modes of action and/or including Bravo or sulfur in with the next fungicide application, or tank mixing a systemic product with bravo (e.g., if the previous spray was bravo) […]

In the last two weeks, most of us have received large amounts of rainfall. Daily rainfall of over 2 inches was observed in many areas and several places got 5+ inches of rain in those two weeks. In general, the rainfall was good for crops. However, it also increased our odds of getting foliar diseases […]

With extensive rains occurring across much of South Carolina in the last week our corn crop is getting back on track and more than half of it is in the process of tasseling.  This is the growth stage where most growers will be deciding whether to spray a fungicide for foliar diseases.  Here are a […]