07 - 10 May 2023

Welcome to Scaffolds Podcast, a weekly roundup of the timely updates on insect and disease management as well as phenological developments across New York State for apple growers.

This week we are joined by Monique Rivera, assistant professor of entomology at Cornell AgriTech; Kerik Cox, associate professor of plant pathology; Līga Astra Kalniņa, Cox Lab graduate student; and Anna Wallis, Fruit IPM Coordinator.

In this episode, Monique talks about future directions in IPM and the function of peptides. Kerik and Līga warn of a major fireblight infection event and overview general fireblight management strategies, and Anna brings us the latest phenology and pest captures from around the state. Recorded and released May 10, 2023.

Phenology and DDs (43F) for NY NEWA Stations from 1/1-5/9*

• Geneva || Bloom || 407
• Highland HVRL || Petal Fall || 620
• Clifton Park || Bloom || 465
• Peru (Forrence) || Early Bloom || 350
• Medina - Inland || Bloom || 363
• Appleton North - Lake || Bloom || 312
• Fairville (The Apple Shed) - Inland || Bloom || 384
• Williamson (DeMarree) - Lake || Bloom || 350

Upcoming Pest Events: DDs (43F) Ranges (avg +/- std)*

• Comstock mealy bug nymphs: 215-441
• European red mite egg hatch: 231-337
• Lesser appleworm first catch: 276-564
• Obliquebanded leafroller larvae active: 158-314
• Oriental fruit moth first catch: 220-320
• Pear psylla first egg hatch: 174-328
• Predator mites present: 211-402
• Redbanded leafroller first peak flight: 231-380
• Rose leafhopper nymphs on multiflora rose: 239-397
• Spotted tentiform leafminer first flight: 265-403

*All DDs Baskerville-Emin, B.E.

Links

• Apple IPM Intensive Workshop playlist: https://www.youtube.com/playlist?list=PLoNb8lODb49vifrm9Tla4GmAVhlIL0527
• Apple Insect Targets and IPM Practices (including explanations of Degree Day calculations): https://youtu.be/NwyBAcvbpUsNEWA
• Weather Tools: https://newa.cornell.edu/weather-tools
• NEWA DD Calculator: https://newa.cornell.edu/degree-day-calculator
• CSF DD Calculator: http://climatesmartfarming.org/tools/csf-growing-degree-day-calculator/
• Cox Lab blog: https://blogs.cornell.edu/coxlab/
• Cox Lab twitter: @fruitpathology
• Monique Rivera twitter: @moniquejrivera
• Anna Wallis twitter: @jesuisunanana