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Updated: June 12, 2023

June 2023 | Volume 14, Issue 4

Sunburn in apples: Why does it occur and how can it be prevented?

By Macarena Farcuh

What is sunburn and why does it occur? Sunburn on apples is an irreversible damage that occurs to the fruit (Fig. 1). Apples are susceptible to sunburn from...Read more about Sunburn in apples.

Beet and Spinach leafminers

By Jerry Brust, UME

In high tunnels and in the field, I have seen spinach and beet leaf miners Pegomya hyoscyami and P. betae respectively in swiss chard and spinach. These leafminers are a type...Read more about Beet and Spinach leafminers.

Bacterial Canker of Tomato

By Jerry Brust, UME

A disease of tomato that we usually only see occasionally has been observed more frequently this year in several high tunnels in Maryland. The disease is bacterial canker caused...Read more about Bacterial Canker of Tomato

  • Line drawing of vegetables

    2022-2023 Mid-Atlantic Commercial Vegetable Production Recommendations Guide

  • Ariel image of farm land near costal waterways

    Maryland Department of Agriculture Pivots Toward a More Options-Driven Nutrient Management Plan Writing Program

  • A dry bean leaf infested with larvae of the Mexican bean beetle.

    June insect scouting tips

    Mexican bean beetle. Photo Credit: Howard F. Schwartz, Colorado State University

Spinach crops found with cucumber mosaic virus

By Jerry Brust, UME and Karen Rane, University of Maryland Plant Diagnostic Lab

Spinach crops this season have had a tough time of it with red legged winter mites, spinach crown mites, leaf miner issues and now plants in high tunnels and in the field with cucumber mosaic virus, CMV.

The first symptom of cucumber mosaic virus...Read more about Spinach crops found with cucumber mosaic virus.

Striped cucumber beetles and bacterial wilt

By Jerry Brust, UME

Striped cucumber beetles (Acalymma vittatum) (SCB) are the most important insect pests of muskmelon and cucumbers...Read more about Striped cucumber beetles and bacterial wilt

Upcoming UME Events

Additional events, information and registration link can be found on the University of Maryland Extension Agriculture & Food Systems website. https://extension.umd.edu/programs/agriculture-food-systems/meetings-and-events

  • Wednesday Women in Ag Webinars: Creating a Farm Lease Agreement. June 14. Noon- 1 pm. https://www.eventbrite.com/e/2023-wednesday-webinars-tickets-466528528387
  • 2023 Eastern Shore Weed Management Twilight. Wednesday, June 28th, 2023. 4pm -6pm. Wye Research and Edu-cation Center. (211 Farm Lane, Queenstown, MD 21658). Free. This event will be the third stop on the Delmarva Weed Tour and will include tours of corn and soybean herbicide research trials, in-tegrated weed management projects for watermelon and hemp production, and tours of demonstration plots for organic weed management in corn and soybean. Dinner will be served at 6:00pm. Pesticide credits will be available for MD and DE. https://go.umd.edu/weedmanagementtwilight

Vegetable & Fruit News, June 2023, Volume 14, Issue 4 (pdf)

Vegetable & Fruit News is a research-based publication for the commercial vegetable and fruit industry available electronically from April through October.  Published by the University of Maryland Extension Agriculture and Food Systems team.

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EDITOR

Emily Zobel
University of Maryland Extension Agent - Dorchester County
501 Court Lane, Room 208
Cambridge, MD 21613
Phone: (410) 410-228-8800
Email: ezobel@umd.edu

Note: Registered Trade Mark® Products, Manufacturers, or Companies mentioned within this newsletter are not to be considered as sole endorsements. The information has been provided for educational purposes only.