December 3, 2012

Growers Look To Limit Downy Mildew Losses

Downy mildew on Impatiens walleriana has been confirmed in more than 30 states, primarily in the eastern half of the United States. In 2012, the disease first started to be seen in Florida and then made appearances up the East Coast and in the Midwest during the spring and early summer. Landscapes in drier areas in the East were affected by the disease in late summer. Impatiens downy mildew also appeared in Texas, Washington, Oregon and the Gulf Coast states in 2012. “The disease was identified in only 13 states in 2011 and in 33 states in 2012,” says Margery Daughtrey, senior extension associate at Cornell University’s Long Island Horticultural Research and Extension Center in Riverhead, N.Y. “Even though a state was noted as having the disease, that doesn’t mean the entire state was affected. It means that a particular state had a case reported. It could have just been […]

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December 3, 2012

Lobelia Offers A Downy-Mildew-Resistant Option

Consider vegetative lobelia, such as the Techno and Techno Heat series from Syngenta Flowers, as a vivid and versatile alternative to Impatiens walleriana. The two series give consumers a long-lasting and low-maintenance color show in containers, combos and borders. Both Techno and Techno Heat deliver award-winning garden performance. For spring and summer sales, we recommend lobelia for all regions of the U.S. and Canada, in shade or part-shade. Lobelia is also well suited for fall and winter use in the southern regions of the U.S. The Techno and Techno Heat series are early to flower and day-length neutral, working well for all turns in 4- and 6-inch programs. Lobelia Propagation Tips Upon Arrival: Stick relatively quickly and get cuttings hydrated as soon as possible. Only store unrooted cuttings overnight in a cooler if necessary. Cuttings can easily dehydrate. Rooting Time: Unrooted cuttings typically take about three and a half to […]

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November 16, 2012

A Look Inside Crop Protection At Stacy’s Greenhouses

Tackling disease and insect control at Stacy’s Greenhouses means being attuned to greenhouse crops, but also managing re-entry intervals, as well as integrated pest management. Take a listen to how Stacy’s handles it all from head grower Billy Morrow.

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November 9, 2012

Kube-Pak’s Bill Swanekamp: Preparing For Downy Mildew In 2013

Impatiens downy mildew was one of the biggest disease stories of 2012, and the potential for more issues next spring has growers considering new ways to manage the situation. Impatiens walleriana is traditionally a big crop for Top 100 Grower Kube-Pak, in Allentown, N.J. Greenhouse Grower asked president Bill Swanekamp to talk about his plans for impatiens in 2013 and how he’s already working hard to protect his customers and his business this season. Greenhouse Grower: How was Kube-Pak impacted by downy mildew last year? Swanekamp: Even though there was downy mildew in our region, there wasn’t much of an impact on our 2011 season. We didn’t really hear about it from our customers because it showed up late in the summer. I think, in many cases, people assumed it was from the hot weather or the plants were just petering at the end of the season. Then, as we […]

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October 23, 2012

The Benefits Of Beneficial Nematodes

Some growers avoid natural pest control methods due to cost and ineffectiveness. Becker Underwood’s Julie Graesch explains why biological control methods are sometimes cheaper than chemicals. She also gives tips on how growers can be successful with biologicals.

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October 11, 2012

Downy Mildew On Impatiens: Resources And Advice

Impatiens Downy Mildew Found In OhioApril 16, 2013 | The Ohio State University Extension encourages growers to begin preventative treatment now. Everything You Need To Know About Impatiens Downy Mildew Dec. 6, 2012 | Ball Horticultural Company gives growers quick facts about the disease plaguing the country’s most popular bedding plant. How To Grow SunPatiens Dec. 6, 2012 | This disease-resistant alternative to Impatiens walleriana from Sakata Ornamentals gives consumers a comparable, colorful option for their gardens and landscapes. Growers Look To Limit Downy Mildew Losses Dec. 6, 2012 | Thirty-three states were affected by impatiens downy mildew in 2012. Growers are being proactive to limit financial and plant losses in 2013. Ball’s Mike Klopmeyer On What To Do In 2013 About Impatiens Downy MildewHow much of an affect will impatiens downy mildew have in 2013? Get an update on the spread of this disease and recommendations for your 2013 crops […]

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September 6, 2012

Pageant Intrinsic Offers Plant Health Beyond Disease Control

Fungal diseases often rob budding beauties of their vigor and vitality, while environmental stresses, like cold, heat and drought, deplete their marketability. These situations can damage growers’ reputations and decrease potential revenues. Growers can better manage plant quality risks by treating ornamental crops with Pageant Intrinsic brand fungicide.Pageant Intrinsic combines active ingredients boscalid and pyraclostrobin to provide superior broad-spectrum disease control. In addition to excellent disease control, research has shown that pyraclostrobin also provides plant health benefits for agricultural crops and turfgrass. These benefits include enhanced plant tolerance to stress and increased efficiency of plant processes. Pageant Intrinsic is the only fungicide with both disease control and plant health language on its label. Plant Health Benefits — In The Lab And Field For more than five years, BASF worked side-by-side with expert growers to research and develop Pageant Intrinsic applications programs. The resulting plant protection programs help growers to better […]

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September 4, 2012

Impatiens Downy Mildew: What To Do In 2013

How much of an affect will impatiens downy mildew have in 2013? Get an update on the spread of this disease and recommendations for your 2013 crops from Ball Horticultural’s Mike Klopmeyer.

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August 21, 2012

Powdery Mildew Of Rose

Powdery mildew is usually easy to spot on roses. Take a look at some of the telltale signs, where and when you’d most likely see it and how to treat powdery mildew in this episode of FloriCAST from Margery Daughtrey.

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August 17, 2012

Cornell’s Margery Daughtrey Is An APS Fellow Recipient

The American Phytopathological Society (APS) has named Cornell’s Margery Daughtrey as an APS Fellow Recipient. The society grants this honor to a current APS member in recognition of distinguished contributions to plant pathology or to The American Phytopathological Society. Daughtrey is nominated for her exceptional contributions to her stakeholders, her professional society and the science and practice of plant pathology. As stated in the citation from the APS, she is considered the most prominent and influential ornamentals pathologist in the United States. Daughtrey is noted for her impressive lecture schedule, publication record and passion for her subject matter. “Several contacted colleagues expressed the view that anyone contemplating a career in outreach would profit more from a week spent observing Margery in the field, and trying to keep up with her, than from any amount of time in a lecture hall,” the citation says. As a diagnostician, Daughtrey was a critical […]

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July 27, 2012

Protect Your Poinsettias From Key Diseases

Pythium. Apply Subdue Maxx at 1 ounce/100 gallons as a soil drench after planting. Rotate with Truban WP (6 to 8 ounces/100 gal.) or Segway (3 ounces/100 gallons) fungicides every four weeks for protection. Botrytis. Be sure to maintain good air movement and low humidity. To avoid botrytis, apply preventative fungicide sprays of Daconil ULTREX alternated with Palladium (4 to 6 ounces/100 gallons), Heritage (4 ounces/100 gallons), Chipco 26019 or Decree (1 lb./100 gallons) after sticking and seven to 10 days later. Powdery Mildew. To prevent outbreaks, maintain good air movement and low humidity in the production area. Apply preventive fungicide treatments throughout the month of October if there is a history of powdery mildew. Effective fungicide spray treatments include Heritage (4 ounces/100 gallons), Palladium (4 to 6 ounces/100 gallons) and several products from FRAC group 3: Eagle 20EW (8 ounces/100 gallons), Terraguard (8 ounces/100 gal.) and Strike 50 WDG […]

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