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Category Archives: Soybean

21
Jul
2014
Crop Progress
Author: Chuck Danehower, Extension Area Specialist - Farm Management No Comments

As reported by NASS on July 21, 2014

RAINS HINDRENCE FOR SOME, WELCOMED BY OTHERS

With no end in sight for some producers, rains have drowned out some crop acreages and prevented planting of others. The wet weather is, however, helping soybean and corn development but heat units are still needed for the cotton crop because of its sensitivity to adverse environmental conditions. Continue reading at Crop Progress 7 20 14 .

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19
Jul
2014
Proper Nozzle Selection for Pesticide Applications
Author: Shawn Butler, Graduate Research Assistant No Comments

As we get further into the year, bugs begin to enter our fields, disease onset starts to occur, and weeds continue to flourish, our chances of making tank-mixed applications increase. This ultimately makes spray nozzle selection more challenging as most products require different droplet sizes.  Continue reading

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16
Jul
2014
Good News (Kudzu Bug), Bad News (White Sugarcane Aphid)
Author: Scott Stewart, IPM Extension Specialist No Comments

These are a couple of new pests we need to be on the lookout for. Let’s start with the good news. Continue reading

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16
Jul
2014
Think before pulling the trigger
Author: Scott Stewart, IPM Extension Specialist No Comments

This article really pertains to insect management to all crops, but I’ll highlight a couple of relevant scenarios. A lot of the comments relate to a common theme. Insect management is often reactive. Spraying too early decreases effectiveness, often increase overall control costs, and unnecessarily select for resistance. Many of our most commonly used insecticides offer Continue reading

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15
Jul
2014
Crop Progress
Author: Chuck Danehower, Extension Area Specialist - Farm Management No Comments

As reported by NASS on July 14, 2014

WEATHER HAMPERS WHEAT HARVEST; COTTON NEEDS HEAT UNITS

Weather continues to take a toll on Tennessee crops. Some fields have been planted multiple times because of standing water and, in some areas, wheat is still standing due to wet fields. Rains have cooled temperatures, which has a negative effect on the cotton crop through a decrease of needed heat units. Continue reading at Crop Progress 7 13 14 .

 

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14
Jul
2014
Reminder: Milan No-till Field Day This Thursday
Author: Scott Stewart, IPM Extension Specialist No Comments

Without a doubt, the Milan No-Till Crop Production Field Day is one of the most far-ranging agricultural field days in the nation. The event is a junction for producers with varied farming interests. Tours will cover topics as diverse as row crop sustainability, beef cattle production, natural resource management, unmanned aerial systems and even the compatibility of honeybees and agriculture. Registration is free and begins at 6 a.m. CDT, with the first tours leaving at 7 a.m. A total of 16 tours are on the agenda. Continue reading

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14
Jul
2014
Webcast on Management of Frogeye Leaf Spot and Fungicide Resistance
Author: Heather Young Kelly, Extension Plant Pathologist No Comments

There is a 14 minute webcast on the Plant Management Network on Management of Frogeye Leaf Spot and Fungicide Resistance that provides some basic knowledge on FLS disease, its management, and fungicide resistance. Continue reading

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13
Jul
2014
Corn and Soybean Field Day at Milan
Author: Heather Young Kelly, Extension Plant Pathologist No Comments

University of Tennessee’s field crop specialists are putting on a corn and soybean field day at the Research and Education Center in Milan on Tuesday, August 19th. Registration opens at 9 and tour will be begin at 9:30 a.m and will conclude with lunch. Information on soybean and corn disease, insect, and weed management, as well as agronomic information will be presented. Pesticide re-certification and CCA CEUs will be available.

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13
Jul
2014
Scouting for Soybean Diseases and Deciding on Fungicides and Application Timing
Author: Heather Young Kelly, Extension Plant Pathologist No Comments

As full season soybeans in Tennessee reach reproductive growth stages, scouting for disease is critical to determine how necessary a fungicide application may be in protecting yield from disease. Continue reading

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13
Jul
2014
Distinguishing Frogeye Leaf Spot from Chemical Injury in Soybean
Author: Heather Young Kelly, Extension Plant Pathologist 1 Comment

Frogeye leaf spot (FLS) has begun to show up in susceptible varieties in Tennessee, but there is also some chemical burn in soybean that can be mistaken for FLS. Continue reading

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10
Jul
2014
Reminder: Soybean Scout Schools
Author: Scott Stewart, IPM Extension Specialist 3 Comments

UT’s annual Soybean Scout Schools are set for the dates and times below.  These field-side programs last 2-2.5 hours and address general crop management including plant development and management of weed, disease and insect pests. As always, scouting supplies and sweep nets are Continue reading

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09
Jul
2014
Judging Percent Defoliation in Soybean
Author: Scott Stewart, IPM Extension Specialist Comments Off

Many of our treatment thresholds for defoliating pests in soybean are based on percent defoliation and growth stage. This is an important component of our IPM recommendations because we are often dealing with a complex of pests, many of which nibble on leaves. This includes bean leaf beetles, Japanese beetles, and several Continue reading

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