Category Archives: Soybean

Dicamba-Resistant Waterhemp Confirmed in Tennessee

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Results from greenhouse experiments and in-field research this summer confirm that our state now has dicamba-resistant (DR) waterhemp. Moreover, our survey of weed escapes this fall sponsored by the Tennessee Soybean Promotion Board has found that waterhemp has spread quickly. Continue reading

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A new tool for utilizing Mid-South soybean variety trial data

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Which soybean variety is best suited to my region? State variety testing programs provide critical research to help answer that question by evaluating hundreds of soybean varieties every year across multiple locations within a state. But what if we think beyond the bounds of our state borders when it comes to variety evaluation? While a single state alone provides valuable data, our growing regions often cross state lines. A location in West Tennessee may share more similarities to sites in East Arkansas than it does to East Tennessee. By combining variety testing data across multiple states, we can create a more robust dataset that allows us to better predict which varieties are best suited to specific regions and growing conditions. Continue reading

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Points to Consider when Choosing Soybean Herbicide Trait Platform

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(Picture 1) Palmer amaranth in this field in 2020 and 2021 escaped multiple applications of dicamba, glyphosate and glufosinate

Several retailers and growers in recent weeks have asked about switching away from Xtend soybeans due to the poor pigweed control they have seen in consecutive years in some fields. There are a lot of moving parts when one attempts to answer this question and some different points need to be considered. Continue reading

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Start Planning for Herbicide Shortages in 2022

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Retailers and the basic suppliers are all very concerned about herbicide shortages in 2022. We all can recall similar concerns this past spring.  In most cases applicators were able to get what they needed .  However, this spring retailers were often able to fill shortages by accessing carryover from 2020.  I have been told there will be no carryover herbicides to fill holes in 2022 so the probability of herbicides not being available is much more likely. Continue reading

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Reminder: Soybean Disease Field Day Sept. 9th

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Wondering what’s been making your soybeans sickly? Come to The University of Tennessee Soybean Disease Field Day, held Thursday, Sept. 9th, at the Milan Research and Education Center. Registration will be from 8:30-9:00 AM with the tour beginning at 9 AM and concluding with a box lunch.  Preregistration is not required. Pesticide re-certification and CCA points will be available. Continue reading

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