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Tag "Nathan Kleczewski"

Fungicide Research: Small vs. Large Plots for Field Trials

Fungicide Research: Small vs. Large Plots for Field Trials

👤By Nathan Kleczewski, University of Delaware Extension Plant Pathologist 🕔Oct 4, 2017

Over the last 10-15 years there has been much discussion in the agricultural realm about the utility of fungicide trials conducted on small plots, vs those on larger plots.  Small plots typically are 5-10’wide, and 20-50’ long, depending on the crop and study.  Large

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Delaware Soybeans: Increasing Reports of Sudden Death Syndrome

Delaware Soybeans: Increasing Reports of Sudden Death Syndrome

👤By Nathan Kleczewski, University of Delaware Extension Plant Pathologist 🕔Aug 24, 2017

Over the past three weeks there have been increasing reports of soybean sudden death syndrome (SDS) in full season soybeans. SDS is one of the top ten most important diseases affecting soybeans, but is still a minor player in the mid-Atlantic.  Yield

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Delaware Soybeans: Stem Canker – Identification and Management

Delaware Soybeans: Stem Canker – Identification and Management

👤By Nathan Kleczewski, University of Delaware Extension Plant Pathologist 🕔Aug 8, 2017

Stem canker is a disease that has been observed at increasing levels in many regions where soybeans are produced. In Delaware and Maryland we typically observe both Northern and Southern stem canker. Although different in some aspects, their overall impacts

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Delaware Corn: Does Your Crop Need a Foliar Fungicide?

Delaware Corn: Does Your Crop Need a Foliar Fungicide?

👤By Nathan Kleczewski, University of Delaware Extension Plant Pathologist 🕔Jul 7, 2017

We are entering that time of year when growers start to think about fungicides for corn. Depending on who you speak to you will hear that they range from being 100% necessary to 100% unneeded. In reality, it’s likely somewhere

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Delaware Wheat: 3 Considerations Before Applying a Fungicide

Delaware Wheat: 3 Considerations Before Applying a Fungicide

👤By Nathan Kleczewski, University of Delaware 🕔Apr 20, 2016

“Should I apply a fungicide to my wheat?” That is a common question among many growers this season. My advise has been this: go out and look at your wheat. Really look at it, don’t just drive by at 60

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Delaware Wheat: Strip Rust Turns Up In Region

Delaware Wheat: Strip Rust Turns Up In Region

👤By Nathan Kleczewski, Plant Pathologist, University of Deleware 🕔Apr 15, 2016

Growers should be aware that stripe rust was confirmed in different parts of Virginia, including the Eastern Shore, over the weekend.  As mentioned last week, it was confirmed in Kentucky, North Carolina, and Tennessee the previous week.  Currently, the level

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Delaware Wheat: Keep an Eye on Small Grains

Delaware Wheat: Keep an Eye on Small Grains

👤By Nathan Kleczewski, University of Delaware Extension Plant Pathologist 🕔Dec 11, 2015

El nino is really making it an interesting winter. On one hand, the excessively warm temperatures have helped produce some really nice wheat and barley stands. On the other hand, the extended warm weather may potentially increase the risk of

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Delaware Corn, Soybeans: Be on Lookout for Seedling Diseases

Delaware Corn, Soybeans: Be on Lookout for Seedling Diseases

👤By Nathan Kleczewski, University of Delaware Extension Plant Pathologist 🕔Jun 15, 2015

Now is the time when you should be on the lookout for seedling diseases in corn and in full season soybeans. Seedling diseases can be categorized as either pre-emergent or post-emergent. Pre-emergent seedling diseases kill the seedling soon after germination

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Delaware Soybeans: Sudden Death Syndrome Popping Up

👤By Nathan Kleczewski, Extension Specialist- Plant Pathology, University of Delaware 🕔Sep 1, 2014

Over the last two weeks we have been seeing an increase in the number of fields with Sudden Death Syndrome (SDS).  SDS is caused by a Fungus (Fusarium vurguliforme. Foliar symptoms characteristic of SDS. Note that the veins remain gree.

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Delaware Wheat: Tombstones Best Left In The Field At Harvest

👤By Nathan Kleczewski, Extension Specialist- Plant Pathology, University of Delaware 🕔Jun 3, 2014

In some of the early flowering wheat fields we are seeing VERY LOW levels of Fusarium head blight (FHB). The worst field I have seen I estimated to about 1% incidence, meaning that 1 out of 100 heads have symptoms

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