Eastern New York Commercial Horticulture Enrollment

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  • Variety Evaluation
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      What's wrong with my crop?

Pests

Numerous pests affect commercial vegetable production in New York. All stages of plant growth may be susceptible to insects or disease causing pathogens which may result in poor seedling emergence, reduced yields and quality issues. Similarly, weeds compete with vegetable crops for light, nutrients and water often reducing yields. Weeds can also act as a reservoir for insects and diseases. Furthermore, weed seeds and other parts can be a contaminant of certain vegetable crops.

Eastern New York Commercial Horticulture Program Specialists conduct research and educational programs on many important insects, diseases and weeds in New York. While not an exhaustive list, current information on many important vegetable pests can be found below. The most recent pest content is listed below but you can find more pests under the pest categories of Diseases, Insects, and Weeds.

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    Most Recent Pests Content

    Pink Root on Your Onion Transplants: To Plant or Not to Plant?

    Anne Mills, Field Technician
    Eastern New York Commercial Horticulture

    Last Modified: April 11, 2017
    Pink Root on Your Onion Transplants: To Plant or Not to Plant?

    Word on the Black Dirt in Orange County is that many growers are receiving Arizona-grown onion plants that are heavily infected with pink root.

    Pesticide Applicator License Pre-Exam Training Slides

    Anna Wallis, Tree Fruit and Grape Specialist
    Eastern New York Commercial Horticulture

    Last Modified: March 22, 2017

    Slides from the Pesticide Applicator License Pre-Exam Training, held March 2017 in Plattsburgh.

    2017 NENY & VT Winter Grape School Presentations

    Anna Wallis, Tree Fruit and Grape Specialist
    Eastern New York Commercial Horticulture

    Last Modified: March 16, 2017

    Presentations from the the Northeastern NY & VT Winter Grape School held March 9, 2017 in Lake George.



    More Pests Content

    Bird Damage in Tree Fruits
    Bird Damage Q&A
    Installing and Monitoring American Kestrel Nest Boxes in Orchards
    2017 Winter Tree Fruit School Presentations
    2016 ENY Sweet Corn Trap Summary Presentation
    White Rot Fact Sheet
    2016 Spider Mites and Dry Hot Weather
    2016 Fire Blight Management Workshop
    Insecticides to Control Spotted Wing Drosophila
    White Rot Update
    Fire Blight Sampling
    2016 Grape Disease Control
    2016 SWD Exclusion Study- SARE Project Report
    2015 Herbicides for Weed Control in Snap and Dry Beans
    2016 Berry School - Disease Diagnosis Talk
    2016 Berry School - Disease Management Talk
    Fruit School 2016 - Grapevine Leaf roller & Grape Mealy bugs
    » View Complete List of Pests Content
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    Upcoming Events

    Hands-on Tomato Pruning Workshop

    May 3, 2017
    4-6pm
    Fort Plain, NY

    Join High Tunnel Specialist Amy Ivy and Crystal Stewart for a hands-on tomato pruning demonstration in the high tunnel. We'll talk about when to prune, how to prune for earliness and yield, and how to prune both determinate and indeterminate varieties

    *DEC credit has been applied for

    view details

    Bramble Pruning Workshop - Rulf's Orchard

    May 4, 2017
    3:00pm-5pm
    Peru, NY

    Focus will be on pruning to increase production and help control Spotted Wing Drosophila. General pest management and culture will also be discussed. There is no charge for these workshops, but we would like folks to register so that we know how to contact you. Please register here or call Marcie at 518-272-4210.
    view details

    Bramble Pruning Workshop - Cashin's Farm

    May 9, 2017
    3:00pm-5pm
    Fultonville, NY

    Focus will be on pruning to increase production and help control Spotted Wing Drosophila. General pest management and culture will also be discussed. There is no charge for these workshops, but we would like folks to register so that we know how to contact you. Please register here or call Marcie at 518-272-4210.
    view details
    view calendar of events

    Announcements

    Grape Specialist Hiring in Eastern New York

    Eastern NY Grape Industry Growth Prompts Marketing Initiatives, Specialist Hiring
    Click Here to See Full Article view details here


    Eastern New York grape and wine industry growth is sparking innovative marketing initiatives and the hiring of a new regional grape specialist.

    The "October 2016 Grape Production in the Eastern New York Commercial Horticulture Region" report by Elizabeth Higgins, business management specialist, Hudson Valley Lab, Highland, NY, quantifies industry growth as:
    . a 34 percent increase in the number of grape-growing operations 2007-2012 with a 50 percent increase in grape acres,
    . the 2001-2012 doubling of grape production acres in Ulster, Columbia, Dutchess and Orange counties,
    . 2001-2012 growth from nearly zero to 100-plus grape acres in Clinton, Essex, Saratoga and Washington counties, and
    . 108 wineries affiliated with local grape production; with new wineries expected.


    White Rot Update

    NOW AVAILABLE: White Rot Fact Sheet: Click Here

    Earlier in June I sent a garlic sample to the diagnostic lab hoping that I was wrong. The sample was covered in small black sclerotia, the size of poppy seeds, and white fungal hyphae crept up the stem. The results, unfortunately, matched the field diagnosis: White Rot. Within a couple days additional calls came from up and down the Hudson Valley as well as one in Western NY with similar suspicions. These samples have also gone to the lab for verification, but it looks like the latest pest to move back into the state is this nasty fungus. 

    White Rot, Sclerotinia cepivorum, decimated the onion industry in New York in the 1930's before being eradicated through careful management. More recently, in 2003, it infected 10,000 acres of garlic in California, leading to the abandonment of some garlic fields and adoption of strict containment rules. White rot has been confirmed in Northeastern states over the last decade as well, with New York being one of the last to discover the disease.

    The primary reason that White Rot is such a concern is because the sclerotia, or reproductive structures, can remain dormant in the soil for up to 40 years, attacking any allium crop planted into the soil under favorable conditions. This spring was ideal for infection due to the period of cool, moist weather we had. Optimal temperature for infection is 60-65 degrees F, but infection can occur anywhere from 50-75 degrees F.
    Once garlic has white rot, it generally declines rapidly. Leaves will yellow and the plant will wilt, not unlike a severe fusarium infection. However, unlike with fusarium, white rot infected bulbs are covered in black sclerotia and white fungus. To add to the confusion, another disease CAN look similar. Botrytis also causes black sclerotia and white fungal growth. However, Botrytis sclerotia are quite large, often larger than a pencil eraser.

    So, what do we do now? We're still working on long-term management strategies, but the most important steps to take now are vigilance when culling (look at the plants you are pulling for symptoms like you see in this article, and if they are present, call us to take a sample and have the disease verified) and, if you see anything suspicious, reduction of movement of inoculum. The main ways diseases get moved around are by dumping culls (compost, field edges, etc) and my moving soil on equipment. Throw away your culls, and wash equipment that may have come in contact with suspicious garlic or the soil it is growing in. Everything from cultivation equipment to harvest bins should be cleaned. 

    We will keep learning about this disease and will keep sending out information, particularly to help you make decisions about what to sell and buy. For now, remember that the west coast has learned to manage the disease, and we will too. -Crystal Stewart, ENYCHP




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