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Category Archives: Soybean

31
Jul
2014
Sudden Death Syndrome (SDS) in Soybean
Author: Heather Young Kelly, Extension Plant Pathologist 1 Comment

Sudden Death Syndrome (SDS) has started showing up in soybean fields in Tennessee. The cool, wet season Tennessee has experienced, similar to last season, has been conducive for the disease to develop in susceptible varieties. Continue reading

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30
Jul
2014
Fall Armyworm in Double-Cropped Soybean
Author: Scott Stewart, IPM Extension Specialist No Comments

There have been several reports of fall armyworms in wheat beans. Fields with weedy grasses or volunteer wheat are especially prone to infestations. The larvae start out on grasses and move to soybean (usually after a herbicide application takes the grass out). However, fall armyworms can sometimes make an appearance even if the fields are not grassy. Continue reading

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29
Jul
2014
Crop Progress
Author: Chuck Danehower, Extension Area Specialist - Farm Management No Comments

As reported by NASS on July 27, 2014

COTTON IN NEED OF HEAT UNITS

The past week was very favorable for field work. Rains varied greatly across the State, providing some crops with needed moisture while leaving others stressed. With temperatures remaining cooler than normal, however, cotton growers are still concerned that the crop will not receive adequate heat units. A good general rain is still needed in some parts of the State.  Continue reading at Crop Progress 7 27 14.

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26
Jul
2014
Insecticides – So Many Names!
Author: Scott Stewart, IPM Extension Specialist No Comments

By request, I am providing a list of active ingredients and trade names (see below). This does not include all examples. Feel free to make comments about other “generic” trade names you may be using. Please keep in mind that formulations may vary considerably, and thus, rates may need to be adjusted accordingly. Also, not all products be labeled for the same crops. It is your responsibility to follow instructions on the insecticide label. The information below is also available in UT’s insect control recommendations for field crops. Continue reading

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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 Comments Off

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 Comments Off

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 Comments Off

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 Comments Off

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 Comments Off

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 Comments Off

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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