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Knowing berry pests’ varied diets may help control them

Spotted-wing drosophila  on a blueberry

Spotted-wing drosophila cause billions of dollars in damage to fruit crops across Asia, North and South America, and Europe.

Cornell Chronicle [2019-08-06]

With New York state’s $20 million berry industry entering peak season, an invasive fruit fly is thriving.

Female spotted-wing drosophila (Drosophila suzukii Matsumura) have a special ovipositor (a tube through which a female insect deposits eggs) with a saw-like end that allows them to cut into soft fruits and insert their eggs. The larvae and adults feed on the fruits, causing billions of dollars in damage across Asia, North and South America, and Europe.

But little has been known about how the pests survive before and after the growing season.

A Cornell study, published in May in Ecological Entomology, investigates for the first time what spotted-wing drosophila adults and larvae eat, and where they lay their eggs, when these short-lived fruits are not in season.

“They will lay eggs and successfully develop on less preferred resources and not the typical fruit that we think they prefer,” said Greg Loeb, professor of entomology at Cornell AgriTech and a co-author of the paper. Dara Stockton, a postdoctoral associate in Loeb’s lab, is the paper’s first author.

Read the whole article.

August apple events

Mark your calendars:

Follow the links for more program information.

May 2019 issue of Appellation Cornell

Appellation Cornell​​
News from Cornell’s Viticulture and Enology Program
May 2019

In this issue:

Featured video:

Scheid Shoot Thinning Demo – LERGP Podcast #115. This video shows a demonstration of variable rate mechanical shoot thinning in a California Central Coast Pinot Noir vineyard. There is also a second video in the series — Lodi Gallo Shoot Thinning Demo.

March 2019 issue of Appellation Cornell

Appellation Cornell​​
News from Cornell’s Viticulture and Enology Program
March 2019

In this issue:

VitisGen2 webinar series starts March 21

Please join us for the first webinar of our 2019 VitisGen2 webinar series!

Advanced computer vision techniques: New technologies to streamline grape breeding
Dr. Dani Martinez, Postdoc, Cornell University
March 21st, 1PM EST (12 CST)
Register online

This webinar will present a brief but thorough overview to the general public of what computer vision is, including its different techniques and the technology behind it. In addition, it will detail the methodology implemented in the powdery mildew phenotyping robots of the VitisGen2 project, as a case study.

Dani Martinez was born in Catalonia. He is a computer science engineer specialized on robotics and he got his PhD in Engineering and Information Technologies by the University of Lleida in 2017. He’s currently a Postdoc at Cornell University in David Gadoury’s lab, working on phenotyping and automated systems for the VitisGen2 project.

Questions? Email

Spotted Lanternfly webinars

In conjunction with the New York State IPM Program and the Department of Agriculture and Markets, the Northeastern IPM Center will host a collection of webinars, titled “Spotted Lanternfly Basics.”

Each webinar will focus on, and be tailored to, a specific commodity group:

  • Spotted Lanternfly Basics for Hops, Berry, and Vegetable Growers (Feb. 26, 2019, 10:00 a.m.)
  • Spotted Lanternfly Basics for Grape and Apple Industries (Feb. 26, 2019, 1:00 p.m.)
  • Spotted Lanternfly Basics for Christmas Tree Growers (Mar. 4, 2019, 10:00 a.m.)
  • Spotted Lanternfly Basics for Nursery, Greenhouse, and Landscape Industries (Mar. 4, 2019, 1:00 p.m.)

All webinars will follow a similar format that covers spotted lanternfly biology, identification, and hosts, monitoring and management strategies, and a regulatory update. While the content may be relevant to audiences throughout the Northeast, management practices covered will be specific to New York. Participants will be encouraged to ask questions.

For more information and registration links, go to:

Pesticide Decision-Making Guide to Protect Pollinators in Tree Fruit Orchards now available

guide coverA Pesticide Decision-Making Guide to Protect Pollinators in Tree Fruit Orchards

This comprehensive  easy-to-use provides at-a-glance perspectives on best choices for protecting tree fruit crops while protecting pollinators.

Other publications and future guides in this series can be found on the Cornell Pollinator Network Grower Resource Page.

Registration open for Northern Grapes Webinar Jan 17 with Amaya Atucha

Impact of fruit zone sunlight exposure on fruit composition of cold climate hybrid grapes

January 17, 2019, 1:00 PM Eastern Standard Time (12:00 Noon Central Time)

 Dr. Amaya Atucha
Assistant Professor and Fruit crop Extension Specialist, University of Wisconsin
Madison, Wisconsin

Dr. Atucha’s research program focuses on fruit crop physiology and production of deciduous fruit crops (cranberries and cold climate grapes). The goal of her extension program is to deliver up to date, research-based information to fruit growers that will lead to improve production practices of fruit crops in Wisconsin.

 The webinar will present results on the effect of pre-veraison leaf and lateral shoot removal treatments on organic acid and sugar profiles for Brianna, Frontenac, La Crescent, and Marquette in southern Wisconsin. The effects of the treatment on juice and wine total phenolic concentrations (TPC), monomeric anthocyanin concentrations (MAC), and percent polymeric color for Frontenac, Marquette, and Petite Pearl will also be addressed.

Registration:  You need to pre-register to attend.  Registrants will receive a link and reminder 1-2 days before the presentation.

Register at:

November 2018 issue of Appellation Cornell

Appellation Cornell​​
News from Cornell’s Viticulture and Enology Program
November 2018

In this issue:

November 10 issue of Veraison to Harvest available online

2018 Veraison to Harvest #9

Veraison to Harvest incorporates weekly fruit sampling from four regions of New York into one easy-to-read table informing growers and winemakers throughout New York of how the ripening season is progressing.

  • 2018 Growing and Winemaking Season in Review:  It’s not the Heat, It’s the Humidity. And the Rain. And the Clouds. And the Fruit Flies.
  • Lake Erie Region Update.  Brix Accumulation, Rain and Yield: Measuring the Impact
  • Fruit Chemistry Trends: 2014-2018
  • Can Sheep Replace Herbicides, Mowing, and Suckering?
  • Thanks to Our Supporters, Thanks to Our Crew.

Veraison to Harvest is a weekly electronic newsletter put out by viticulture and enology extension personnel from Lake Erie, Long Island, the Hudson Valley and the Finger Lakes. Each issue provides accurate and up-to-date regional data while giving a statewide perspective as well. V to H begins in early September and concludes in late October.

View back issues.

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