University of Delaware
Weekly Crop Update
  • UD Cooperative Extension Home
Weekly Crop Update
from UD Cooperative Extension
Menu Close
  • Current Issue
  • About WCU
  • Issue & Weather Archive
  • Subscribe

physiological disorders

Rain Check Common in Tomato Fields This Season

August 6, 2021cmanneri

Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu Over the last few weeks in almost all of the tomato fields I’ve been in have rain check on the tomato fruit (Fig. 1). Rain check is the many, tiny concentric… Continue Reading →

Vegetable Crops 29:20, physiological disorders, tomato

Potato Disorders

July 2, 2021kgyoung

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu   Potato harvest will begin soon on Delmarva. There are several physiological disorders affecting potatoes prior to harvest that can be problematic, reducing quality, and causing losses. Brown Center and Hollow Heart… Continue Reading →

Vegetable Crops 29:15, flooding, heat stress, physiological disorders, potato

Split Pits in Peaches and Nectarines

June 25, 2021kgyoung

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Split pit in peaches and nectarines is a physiological disorder that refers to the opening of the pit at the stem end of the fruit. This split becomes evident in the third… Continue Reading →

Fruit Crops 29:14, nectarine, peaches, physiological disorders

Physiological Leaf Roll Versus Growth Regulator Herbicide Damage Revisited

June 25, 2021kgyoung

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Leaf curling, cupping, and rolling in vegetables can be caused by virus diseases, aphid infestations, herbicides and growth regulators. We are currently finding physiological leaf roll and leaf curling due to exposure… Continue Reading →

Vegetable Crops 29:14, herbicide injury, physiological disorders, tomato

Fruit Cracking

June 18, 2021Emmalea Garver Ernest

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu We recently have had wet weather in many parts of Delmarva. Excess moisture can cause problems in fruit crops due to fruit cracking. Of the fruit crops, sweet cherries and certain plums… Continue Reading →

Fruit Crops 29:13, abiotic stress, cherry, fruit cracking, nectarine, physiological disorders, plum

Post navigation

← Older Articles

Additional Resources

  • Cooperative Extension Home
  • Commercial Vegetable Production Recommendations
  • Insect Sampling and Action Thresholds
  • Insect Trapping Programs
  • Integrated Weed Management
  • Extension Vegetable & Fruit Program
  • UD Extension Factsheets
  • DEOS Weather Station Data
  • NEWA Weather & Models

Join us on social media!

 

 

Admin

  • Log in
  • Entries RSS
  • Comments RSS
  • WordPress at UD
© 2023 Weekly Crop Update. All rights reserved.
Fashionista by aThemes
UD
  • Go to the UD twitter page (external link)>
  • Go to the UD facebook page (external link)>
  • Go to the UD instagram page (external link)>
  • Go to the UD youtube page (external link)>
  • Go to the UD pintrest page (external link)>
  • Go to the UD linkedin page (external link)>
  • ©   University of Delaware
  • Comments
  • Legal Notices
  • Accessibility Notice