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Thrips Management in Cotton

Thrips Management in Cotton Updated

🕔14:44, 16.May 2014

Many of you have heard us talk about the declining efficacy of seed treatments against thrips throughout the winter meeting circuit. We started seeing the first signs of inadequate control about 4 years ago and the problem has seemed to get worse every year. Last year, most of the cotton in Mississippi was sprayed for thrips at least one time and many fields were sprayed multiple times, even behind a seed treatment. Until now, thiamethoxam (Cruiser, Avicta, or Acceleron N) has been impacted more than imidacloprid (Gaucho, Aeris, or Acceleron FI).

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Cotton Re-Plant Decisions – Plant Populations

Cotton Re-Plant Decisions – Plant Populations Updated

🕔13:15, 16.May 2014

Several calls have come in this week regarding cotton re-plants.  Making a call on re-plants is one of the most difficult aspects of crop production.  However, several things should be considered when assessing a potential re-plant situation.  The number of

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Protecting Your Preflood Nitrogen

Protecting Your Preflood Nitrogen Updated

🕔12:47, 16.May 2014

Maintaining nitrogen applied as a pre-flood application is an important topic for rice farmers. Nitrogen can be lost by at least three different methods, two of which are considered to be bad since the N will become unavailable for plant uptake.

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Bollworms Plentiful in Young Soybeans

Bollworms Plentiful in Young Soybeans Updated

🕔11:48, 16.May 2014

The soybean crop ranges from still in the bag to around V5 stage on average across Mississippi. Over the last 10 days I have received numerous calls (mostly from Delta region) about bollworms attacking vegetative stage soybeans. Arkansas has also reported high numbers of bollworms in soybeans. In fact, AR has some fields where bollworms are infesting emerging soybeans in the crook stage and eating them to the ground where vegetation was present during planting.

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Insecticide Seed Treatments and Rice Water Weevil Management in Rice Updated

🕔20:53, 15.May 2014

A little rice has started to go to flood in Mississippi this week and that means it is time to start thinking about rice water weevil. Overall, the majority of the crop is behind because of all of the rain that we have had across the Delta over the last several weeks. In general, the rice that is currently being flooded was some of the earliest planted. As a result, the early rice has endured a lot of rainfall and adverse conditions.

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Armyworms Showing Up In Wheat Updated

🕔09:45, 14.May 2014

Over the last few days I have had several reports of true armyworms showing up in wheat. Most of the calls I have received so far have been numerous worms at the ground level starting to defoliate up the plant but head clipping has been very minimal. Once wheat reaches the dough stage it is very difficult to show any yield benefits from treating armyworms in the absence of head clipping simply from defoliation. However, we have numerous fields that are still in the milk stage and susceptible.

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Peanut Emergence and Seed Diseases

Peanut Emergence and Seed Diseases Updated

🕔17:15, 12.May 2014

At planting time there are never enough hours in the day, or enough days between the last rain and the next rain. Especially when the weather has pushed the last possible planting date for the crop into “next week’. So sometimes we try to get seeds into the ground even when conditions are not right.

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2014 Insect and Disease Scout School Dates Set Updated

🕔17:05, 12.May 2014

The dates for the 2014 Scout Schools have now been set. We will be providing detailed information on identification, biology, thresholds, and management of the major insect and disease pest of Mississippi row crops. These trainings can also be used to renew your insect and disease consultants license and CEU’s for Certified Crop Advisors will be provided at each. The meetings will also serve as In-Service training opportunities for MSU-ES agents as well. These trainings are great for the experienced and the inexperienced.

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Tips to Improve Nitrogen Response for Mid-South Corn Updated

🕔11:59, 12.May 2014

Considering the abundant rainfall we experienced during April and typically have, it is usually very important to optimize nitrogen fertilizer management. This newsletter discusses best management practices for corn nitrogen fertilization. These recommendations reduce the risk of nitrogen loss and can improve crop response when wet weather is prevalent during the spring.

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Pheromone Trap Counts, May 8, 2014 Updated

🕔11:13, 8.May 2014

Our pheromone traps were monitored for the first time this week. Bollworm catches were high for this time of year with an average of 46 moths/trap caught in Noxubee county, 40 moths/trap in Lowndes county and 13 moths/trap in Oktibbeha county. Given

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Fungicides Labeled for Use On Peanuts in Mississippi, 2014 Updated

🕔16:04, 7.May 2014

This post links to lists of fungicides labeled for use on Mississippi grown peanuts as of February, 2014. Each document sorts the same information different ways.

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Soybean Seedling Emergence Issues: Environmental Stress Compounding Factors Updated

🕔20:38, 6.May 2014

A substantial number of soybean acres have been reported to be affected by seedling disease. However, the majority of the field seedling issues can be blamed on poor environmental conditions following the planting that occurred around Easter (between April 14 and 19) and some of the residual herbicide products applied.

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Wheat Disease Update: May 4, 2014 Updated

🕔15:48, 4.May 2014

Even though additional foliar wheat diseases have been observed throughout MS, I still consider this to be one of the cleanest wheat crops I have seen. At present, extremely low levels of leaf rust have been observed in two locations, stripe rust on a few protected plants in Stoneville, Septoria leaf blotch, glume blotch, and tan spot have all been reported in the MS wheat crop.

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Tips to Improve Rice Fungicide Application Effectiveness Updated

🕔15:06, 3.May 2014

Before the rice season gets into the full swing, consider several important fungicide application strategies before the mid-season fungicide application. Preventing fungicide-resistance from developing is the first step in managing the issue.

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New Neonicotinoid Pollinator Protection Labels Updated

🕔17:03, 1.May 2014

We have had several calls in recent days as news gets out about the EPA’s recent label changes for neonicotinoid insecticides. The intent is to offer greater protection for pollinators in and around crops where this class of insecticides may be applied. Basically, the new language forbids the use of these products while bees are foraging and until flowering is complete and all petals have fallen off the plants. There are a few exceptions if certain criteria are met.

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Seeding Rates and other Grain Sorghum Planting Tips

Seeding Rates and other Grain Sorghum Planting Tips Updated

🕔17:00, 29.Apr 2014

Mississippi growers will likely plant far more acres to grain sorghum than previous years. This article outlines suggested seeding rates and other key planting tips for successful sorghum production.

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Start Planning Plant Bug Management Now Updated

🕔21:18, 27.Apr 2014

Although very little, if any, cotton has been planted in the Delta, it is not too early to start thinking about managing tarnished plant bugs.

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Should You Make a Wheat Foliar Fungicide Application? Updated

🕔15:35, 26.Apr 2014

Decisions to apply a fungicide to wheat should be based on the specific variety planted, response of the particular variety to foliar diseases that could impact yield, growth stage at time of decision, and whether or not the environment has been conducive for disease development. At present, foliar disease that could reduce yield have not been observed in commercial wheat fields.

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Rice Planting Date – Are We Too Late

Rice Planting Date – Are We Too Late Updated

🕔16:06, 25.Apr 2014

Many people ask why continue mundane planting date research don’t we have enough. Truth is, when talking about items such as planting date, and soil testing data that will be modeled, there is never enough data. The more data you

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Altered Corn Emergence – Compaction/Crusting Issues Updated

🕔14:29, 25.Apr 2014

I don’t have to tell any of you the amount of rainfall we have had over the last several weeks. Most of the rainfall we have receiving has been high intensity rainfall (i.e. all coming down at once). High intensity

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Bobby Golden Assigned Extension Responsibility for Mississippi Rice Updated

🕔16:03, 24.Apr 2014

Dr. Jeff Johnson, Head of the Delta Research and Extension Center, has assigned responsibility for Extension in rice to Dr. Bobby Golden.  Dr. Golden will serve in this capacity until a suitable candidate is identified for the Rice Agronomist/Extension Specialist

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Wheat Disease Update: April 21, 2014 Updated

🕔12:08, 22.Apr 2014

Wheat diseases remain extremely scarce throughout the MS wheat production system to date. No leaf rust, stripe rust, or Septoria have been observed to my knowledge. However, bacterial leaf streak has become a regular observation in most wheat fields.

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What is the Cut-Off Date for Planting Corn?

What is the Cut-Off Date for Planting Corn? Updated

🕔23:42, 11.Apr 2014

Much like last year, as rains delay corn planting progress, more concerns arise regarding the appropriate “cut-off” date for planting corn. This article states new guidelines for late corn plantings based upon recent MSU research.

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Wheat Foliar Disease Update: April 11, 2014 Updated

🕔16:52, 11.Apr 2014

Wheat diseases have been essentially non-existent this winter. No rust to report and very little of much any other foliar diseases is great news for our wheat farmers.

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Management Practices to Reduce the Development of Fungicide Resistance in Soybean: Part III, Strobilurin-Resistant Frogeye Leaf Spot in Mississippi

Management Practices to Reduce the Development of Fungicide Resistance in Soybean: Part III, Strobilurin-Resistant Frogeye Leaf Spot in Mississippi Updated

🕔15:16, 11.Apr 2014

Strobilurin-resistant frogeye leaf spot continues to be a topic of conversation. During 2012 two MS counties were confirmed to have strobilurin resistant frogeye leaf spot. Since that time a large survey has been conducted in MS to determine how widespread the resistance is within the fungal population in MS.

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