Insect Trap Counts, July 25, 2014

Insect Trap Counts, July 25, 2014 Updated

🕔17:28, 28.Jul 2014

Bollworm counts remain at fairly high levels again this week for the second week in a row, so vulnerable crops likely have many eggs and small larvae. Tobacco budworm counts remain low, so worms found will generally be bollworms. Southwestern corn

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Managing Cotton Aphids in 2014 Updated

🕔16:11, 25.Jul 2014

We had a few calls over the last week about poor control of cotton aphid with Transform. In all of those cases, the field was actually sprayed for plant bugs with a 1.5 oz rate of Transform. That rate should be very effective on cotton aphid based on previous experience. As a result, we collected aphids from three different fields this week to test their susceptibility to Transform.

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White Sugarcane Aphid Update: 7/25/2014 Updated

🕔16:09, 25.Jul 2014

Over the past week we have had numerous opportunities to further observe spread and control of fields infested with white sugarcane aphids. We also have managed to get a couple of replicated small plot test out. Below are a couple bullet points based on recent experiences from walking numerous fields and talking to numerous folks around the state and Mid-South.

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North Mississippi Research and Extension Center’s Agronomic Row Crops Field Day on Thursday, August 7 Updated

🕔08:39, 25.Jul 2014

The North Mississippi Research and Extension Center’s Agronomic Row Crops Field Day on Thursday, August 7 will present the latest research to the area’s row-crop farmers and consultants. The field day will be from 8 a.m. to 1:30 p.m. at the Lee County Agri-Center Magnolia Conference Center on Highway 145 South in Verona.

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Keys to Diagnosing Common Nutrient Deficiencies in Rice Updated

🕔23:03, 24.Jul 2014

Described below are the most common nutrient related issues that occur in Mississippi rice production and a few distinctive characteristics to key on when trying to properly identify each issue in the field.  Nutrient issues in rice can take on

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Rice Stink Bugs in Mississippi Rice Updated

🕔20:58, 24.Jul 2014

As more and more of the rice crop starts to head, it is time to start thinking about rice stink bug. We have been sweeping some grass around the Delta for the last few weeks, and the one general comment I will make is that populations have been fairly low in most areas. We have seen fairly high numbers in a couple places, but it was small patches of heading grass in isolated locations.

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Rice Leaf Blast Confirmed in Mississippi

Rice Leaf Blast Confirmed in Mississippi Updated

🕔16:36, 23.Jul 2014

Last week’s weather pattern in the Delta provided near perfect conditions for rice blast (Pyricularia grisea) to occur.  Rice blast is generally categorized by the plant part infected (e.g., leaf, neck, panicle).  Blast favors mild humid weather, frequent rainfall, and

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Checking peanuts? Take your shovel! Unlikely southern blight* expression found in south Delta. Updated

🕔23:11, 22.Jul 2014

Yesterday we found our first southern blight* damage to peanuts for 2014. The timing is not unusual, we generally start finding the disease when the crop canopy closes. What is unusual is where on the plants the disease was found.

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“It ain’t over till it’s over!” / Turnrow Talks Updated

🕔10:18, 21.Jul 2014

“It ain’t over till it’s over!” Amazing as it seems, several producers have not laid poly pipe. After the five plus inches of rainfall we received last week, some producers are questioning the need to lay pipe this late in

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Foliar Soybean Disease Update: July 20, 2014 Updated

🕔15:57, 20.Jul 2014

Foliar diseases of soybean continue to be observed throughout the state. At present, no soybean rust has been detected in Mississippi. However, aerial web blight, downy mildew, frogeye leaf spot, and target spot have all been observed in light to severe situations depending on field location.

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Vulnerability of Corn to Late-Season Issues?

Vulnerability of Corn to Late-Season Issues? Updated

🕔12:08, 19.Jul 2014

Corn is not immune to yield loss until physiological maturity occurs. However, it is not nearly as vulnerable during late reproductive stages. This article includes a chart which should substantially help assess the risk of potential corn yield reduction during late reproductive stages.

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Cotton Bacterial Blight Update: July 18, 2014 (UPDATED 7/28/2014)

Cotton Bacterial Blight Update: July 18, 2014 (UPDATED 7/28/2014) Updated

🕔16:06, 18.Jul 2014

Additional bacterial blight has been observed in the MS cotton production system. At present, 12 counties have been reported to contain infected cotton.

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Random Yellow Spots in Cotton Fields Updated

🕔13:45, 18.Jul 2014

Several calls have come in this week regarding random yellow spots in cotton fields.  While there are a multitude of things that may cause this, there seems to be an underlying theme in many cases.  Everyone is aware of the

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Trap Counts, July 18, 2014

Trap Counts, July 18, 2014 Updated

🕔10:52, 18.Jul 2014

Bollworm moth counts were up sharply across the state this week, so higher bollworm larval pressure should be expected over the next 1-2 weeks. Southwestern corn borer counts were high in Quitman, Tallahatchie and Leflore counties, but low elsewhere. Most corn

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Glyphosate Injury to Sweetpotatoes Adjacent to Field Roads Updated

🕔11:35, 16.Jul 2014

Maintaining clean and weed-free field roads around sweetpotatoes is thought to help minimize rodent injury and make access for crop scouting and monitoring more efficient. Roads are most often maintained weed-free with glyphosate applications. However, off-target movement of glyphosate onto

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Treating White Sugarcane Aphid: Decision Aid

Treating White Sugarcane Aphid: Decision Aid Updated

🕔14:26, 15.Jul 2014

White sugarcane aphids (WSCA) have been blowing up quickly to treatable levels in several counties in Mississippi. Over the last few days here have been several field requiring treatments likely with more coming. Because this is a new pests for Mississippi, we have been following the lead of our colleagues in Texas and Louisiana who dealt with this in 2013. Below are some criteria that we put together based on what we know to date that will help in making a decision to treat WSCA.

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Corn Disease Update: July 14, 2014 Updated

🕔21:41, 13.Jul 2014

Foliar corn diseases continue to be observed throughout MS. Even though common rust, gray leaf spot, northern corn leaf blight, and southern corn leaf blight continue to be observed at low levels, additional diseases have been encountered over the past two weeks.

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Managing Frogeye Leaf Spot with Fungicides: 2013 MS Trial Data Updated

🕔11:23, 12.Jul 2014

Numerous fungicide trials were conducted during the 2013 season to determine the effectiveness of some popular commercially available fungicides on managing frogeye leaf spot. Attached find data as related to some R5 and one R5.5 fungicide application on a frogeye leaf spot susceptible Maturity Group IV variety in Stoneville (4 trials) and Starkville (1 trial).

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White Sugarcane Aphid Update and Impact on Midge Applications

White Sugarcane Aphid Update and Impact on Midge Applications Updated

🕔17:35, 11.Jul 2014

Populations of the white sugarcane aphid are expanding and increasing across the state. We have confirmed the presence of white sugarcane aphid in grain sorghum in 7 counties in Mississippi (Fig 1) and there are likely more. The counties where white sugarcane aphids have been found include Bolivar, Washington, Humphreys, Quitman, Panola, Tunica and Oktibbeha.

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Additional Fungicide Products Available for Soybean Production Systems – UPDATED 7/28/2014 Updated

🕔17:12, 11.Jul 2014

Several new fungicide products are commercially available for soybean productions systems this season. Affiance, Aproach, Aproach Prima, Cercobin, Equation, Fortix, Incognito (4.5F and 85WDG), Overrule, Topsin XTR, and Viathon all have labels for soybean production systems and may be marketed throughout MS for application to soybean plants. Rates, pre-harvest intervals, as well as the active ingredients and links to the full label are included.

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Insect Trap Counts, July 11, 2014 (updated July 12, 2014)

Insect Trap Counts, July 11, 2014 (updated July 12, 2014) Updated

🕔13:59, 11.Jul 2014

Bollworm and tobacco budworm counts this week were similar to last week and fairly typical compared to long-term averages. Except for two traps, one in Sunflower county (310 moths) and another in Washington county (142 moths), all traps caught less than 70 moths during

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Surge Valve Issues and Gleanings.

Surge Valve Issues and Gleanings. Updated

🕔07:31, 11.Jul 2014

This past week we encountered the following situation. A Grower irrigated a silt loam field utilizing a surge valve. When he checked his moisture probes neither the 6” nor the 12” Watermark™ sensor had moved. What’s going on? After careful

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It’s okay to let it down! Updated

🕔14:59, 8.Jul 2014

It’s okay to let it down! Defining proper flooding of rice can be somewhat challenging depending who you talk to. One thing is for sure, to take advantage of the cost saving of straight levees and multiple inlet rice production,

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Management of Kudzu Bugs in Mississippi Soybeans

Management of Kudzu Bugs in Mississippi Soybeans Updated

🕔11:19, 8.Jul 2014

By now most folks have heard of Kudzu bugs. In fact, we have now confirmed them in 52 counties in Mississippi. Kudzu bugs, Megacopta cribraria, was first found in Georgia in 2009. Since that time it has spread rapidly across the southeast kudzu bug map 7_8and is now moving west in to Mid-southern states. It was first found in Mississippi in 2012 and now covers most of the state.

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Analyzing Mississippi Soybean Producers’ Farm Bill Alternatives Updated

🕔08:53, 8.Jul 2014

With the recent passage of the 2014 Agricultural Act a number of new choices are available for producers, while many of the previous options are no longer available. The analysis here examines these choices for soybean production in Mississippi. The

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