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NC Cooperative Extension Service

Leaf Spot on
Crapemyrtle

Leaf spotting, bright yellow and red discoloration, and shedding of interior and lower leaves can all be symptomatic of Cercospora leaf spot, a common fungal disease of crapemyrtles.  While the disease is not particularly harmful to the plants, it can make some crapemyrtles somewhat unsightly by late summer, and does cause some concern among homeowners and landscape professionals.  Fungicides are generally not recommended.  Consider raking up affected leaves and removing them from the site, and be aware that Cercospora may start to show up in our landscapes by late May or early June.  We just don’t tend to notice it until later in the season. Also be aware that some cultivars are more susceptible than others, so cultivar selection can be part of our management strategy.  Natchez, Muskogee, Basham’s Party Pink, Sioux and Tonto are considered to be among the more tolerant cultivars, although even among these there is a possibility of symptoms in wet years. For more information please contact Tom Glasgow at 252-633-1477 or tom_glasgow@ncsu.edu.

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NC Cooperative Extension Service

Leaf Spot on
Crapemyrtle

Leaf spotting, bright yellow and red discoloration, and shedding of interior and lower leaves can all be symptomatic of Cercospora leaf spot, a common fungal disease of crapemyrtles.  While the disease is not particularly harmful to the plants, it can make some crapemyrtles somewhat unsightly by late summer, and does cause some concern among homeowners and landscape professionals.  Fungicides are generally not recommended.  Consider raking up affected leaves and removing them from the site, and be aware that Cercospora may start to show up in our landscapes by late May or early June.  We just don’t tend to notice it until later in the season. Also be aware that some cultivars are more susceptible than others, so cultivar selection can be part of our management strategy.  Natchez, Muskogee, Basham’s Party Pink, Sioux and Tonto are considered to be among the more tolerant cultivars, although even among these there is a possibility of symptoms in wet years. For more information please contact Tom Glasgow at 252-633-1477 or tom_glasgow@ncsu.edu.

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NC Cooperative Extension Service

Craven County Master
Gardener Training

The Craven County Cooperative Extension office will offer a Master Gardener course for residents who are interested in becoming Extension Master Gardener Volunteers.  Forty hours of training will be provided beginning September 23 and concluding November 9.  In return, new volunteers will provide 40 hours of volunteer time in their first year, and 20 hours in subsequent years to stay certified in the program.  All classes will be held at the Craven County Agricultural Building from 9 AM to noon.  For additional information and an agenda of dates and topics, call 633-1477 or e-mail tom_glasgow@ncsu.edu

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NC Cooperative Extension Service

Credit Hours for
Landscape and Turf Professionals

Credit Hours for Landscape and Turf Professionals Craven County Cooperative Extension has scheduled three educational events that should be of particular interest to landscape and turf professionals. Three of these events will provide NCLCLB continuing education credits, and two of them will also provide NCDA&CS pesticide applicator recertification credits. All three programs will be held at the Craven County Agricultural Building. There is no cost, and preregistration is not required. Call 252 633-1477 or e-mail tom_glasgow@ncsu.edu if additional information is needed. These events are also open to the general public. August 20, 10 AM - noon: Landscape and Garden Soil Management Two Landscape (Technical) credit hours. September 13, 10 AM - noon: Landscape and Turf Pest Management Update Two Landscape (Technical) credit hours and two pesticide recertification hours in D L N X. October 11, 10 AM - noon: Landscape and Turf Weed Management Update Two Landscape (Technical) credit hours and two pesticide recertification hours in D L N X.

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NC Cooperative Extension Service

Seashore Mallow

Written by Tom Glasgow In the Craven County area, seashore mallow (Kosteletzkya virginica) will begin flowering by late July and continue into early September.  It is one of our showiest native perennials this time of year, and is highly adaptable to a wide range of site conditions.  Look for it in and adjacent to roadside ditches, along the shores of streams and other bodies of water, and in brackish marshes.  In your landscape, just provide a sunny location.  As far as drainage, it will handle wet, dry or anything in between. Individual plants are not particularly long lived as compared with other perennials such as baptisia or Mexican sage.  However, reseeding is prolific enough that once you get some plants started, you’ll always have a seashore mallow presence in your landscape.  Look for these at your local garden centers in the spring.  Seashore mallow has gained wide acceptance from perennials enthusiasts, and the flowers are truly exceptional. For more information please contact Tom Glasgow at 252-633-1477 or tom_glasgow@ncsu.edu.

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NC Cooperative Extension Service

Selecting a Wheat
Variety

To ensure high yield and low management, proper wheat varieties need to match soils, anticipated planting date, potential Hessian Fly infestations and known disease problems. NC State University provides annual evaluations of the yield and characteristics of commercial wheat varieties. This year nine different companies provided varieties with yields 95-100+ bushel/acres when averaged across the seven test sites. Over 92 wheat varieties were evaluated. One area often overlooked when choosing a variety is the varietal resistance. Usually, selecting a variety with slightly lower yield potential but greater resistance decreases management input and production cost.  Common diseases in this area include Powdery Mildew, Leaf Rust and Stripe Rust. However, whether any of these particular diseases cause major yield loss will depend upon how early, if at all, the disease develops, the wheat stage at the time of disease incidence and subsequent weather conditions after discovery. Conversely, common soil borne diseases that do not depend upon weather circumstance are Wheat Mosaic and Wheat Spindle Streak. These diseases persists within the soil even with crop rotation so varieties susceptible to these diseases should not be planted in fields once the presence of these diseases in the soils has been confirmed. Additionally, over the past few years, Fusarium Head Blight and Stagnosporia Blotch have sporadically been a concern for some fields but no commercial variety has been rated for resistance to these diseases. Thus, scouting for proper identification, observance of weather patterns, review of NCSU alerts, monitoring disease forecast and timely fungicide application are the best means of management. Lastly, for this area, risk management should also include differing maturity dates to avoid the risk of severe loss due to a late frost. A selection that provides an overview of varietal disease resistance for commercially available wheat varieties, Table 4. Characteristics of Commercial Wheat Varieties Across North Carolina Performance Trials from the 2015 North Carolina Measured Crop Performance Small Grain publication is provided below. The entire 2015 North Carolina Measured Crop Performance Small Grain publication is available to download HERE. Suggestions and production details for wheat is found at the NCSU website, http://www.smallgrains.ncsu.edu/production-guide.html 2015 Commercial Wheat Variety Characteristics[/caption] Email the author at: mike_carroll@ncsu.edu Follow the author on Twitter at: @mcarroll_craven The use of brand names and any mention or listing of commercial products or services in this publication does not imply endorsement by the NC Cooperative Extension Service nor discrimination against similar products or services not mentioned. Individuals who use agricultural chemicals are responsible for ensuring that the intended use complies with current regulations and conform to the product label. Be sure to examine a current product label before applying any product.

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NEWS View All
Figure 2. Intermediate Ca deficiency symptoms.  Note the yellowing on the leaf margin.
©2016 Forensic Floriculture

From the Field-Agronomy Notes popular

Tobacco Research Update: Calcium Deficiency of Tobacco In this tobacco research update, we highlight the symptoms of calcium deficiency.  These images are part of a project supported by the North Carolina Tobacco Foundation to MORE » – from   Tobacco Growers Information

Honey bee. Photo: Jeremy Slone

Studying Strawberry Pollination popular

Our laboratory is excited to begin a new project aimed at answering several questions about pollination ecology in strawberries.These questions are: 1. What insects pollinate commercially grown strawberries in the southeast? 2. How are MORE » – from   Entomology

Craven County Landscape Plant Selection Program

Craven County Cooperative Extension will present a landscape plant selection program on August 15, 5:30 PM, on the grounds of the Craven County Agricultural Building.  This is part of our regular third-Monday series MORE »

Hopper burn damage from potato leaf hopper on red maple

Maple Nursery IPM Update popular

I had several questions related to problems with maples last week. In the process I noticed damage from maple spider mite, hopper burn (potato leaf hopper), maple shoot borer, anthracnose, and canker diseases. MORE » – from   Wilson County Center

Protect Peanuts Using Peanut Disease Advisory

NC peanut production typically involves 4-6 fungicide applications to successfully protect peanuts from diseases that may greatly reduce yield or kill plants.  Whether or not fewer treatments can be made depends upon peanut MORE »

Selecting Soybean Varieties for Late Planting

Soybean is a photosensitive plant. In other words, day length signals the plant to cease vegetative growth and begin flowering and setting pods. Indeterminate varieties, generally speaking, will continue to simultaneously grow vegetatively MORE »

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EVENTS View All
Peletah 4-H ClubWed Aug 31, 2016
6:00 PM - 8:00 PM Where:
Peletah Ministries, Neuse Blvd, New Bern, NC
— Tomorrow
Peletah 4-H ClubWed Sep 7, 2016
6:00 PM - 8:00 PM Where:
Peletah Ministries, Neuse Blvd, New Bern, NC
— 1 week away
Peletah 4-H ClubWed Sep 7, 2016
6:00 PM - 8:00 PM Where:
Peletah Ministries, Neuse Blvd, New Bern, NC
— 1 week away
Little Fork Ranch 4-H Club MeetingThu Sep 8, 2016
7:00 PM - 8:00 PM Where:
Little Fork Ranch, 3300 Aurora Road, Ernul NC 28527
— 1 week away
Landscape and Turf Pest Management Tue Sep 13, 2016
10:00 AM - 12:00 PM Where:
Cooperative Extension Services, 300 Industrial Dr, New Bern, NC 28562, USA
— 2 weeks away
Private Applicator Safety TrainingTue Sep 13, 2016
1:00 PM - 3:00 PM Where:
303 College Cir, Morehead City, NC 28557, USA
— 2 weeks away
Clover Rangers 4-H ClubWed Sep 14, 2016
6:00 PM - 7:00 PM Where:
Riverdale United Methodist Church, 5195 U.S. 70, New Bern, NC 28562, United States
— 2 weeks away
Peletah 4-H ClubWed Sep 14, 2016
6:00 PM - 8:00 PM Where:
Peletah Ministries, Neuse Blvd, New Bern, NC
— 2 weeks away
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