Scaffolds

10 - 1 June 2023

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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 special guest Dr. Jason Londo, assistant professor of horticulture at Cornell AgriTech. Our usual hosts include 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 and Dr. Londo discuss the impacts of the recent late season freeze. Kerik and Līga overview the summer disease outlook. Anna brings us the State of The state on regional developments in degree day accumulation and phenology. Recorded 6/1 and published 6/2/23.

_____________________


BASE 43F Phenology and DDs for NY NEWA Stations from 1/1-6/1*

  • Geneva || fruit sizing || 774
  • Highland HVRL || fruit sizing || 1028
  • Clifton Park || fruit sizing || 867
  • Peru (Forrence) || fruit sizing || 720
  • Medina - Inland || fruit sizing || 717
  • Appleton North - Lake || fruit sizing || 644
  • Fairville (The Apple Shed) - Inland || fruit sizing || 725
  • Williamson (DeMarree) - Lake || fruit sizing || 686


    • _____________________


    BASE 43F Upcoming Pest Events: Average DDs (std)*

    • Codling moth - 1st adult catch: 475 (± 85)
    • San Jose scale - 1st adult catch: 533 (± 88) 
    • Spotted tentiform leaf miner - 1st mines: 472 (± 129)
    • Plum curculio - 1st oviposition scars: 555 (± 77)
    • Pear psylla - hardshell stage: 569 (± 87)
    • Lesser peach tree borer - 1st adult catch: 570 (± 94) 
    • San Jose scale - 1st flight peak: 644 (± 89) 
    • European red mite - sample (2.5 mite/leaf): June 1
    • Obliquebanded Leafroller - set traps: June 1
    • Black stem borer - 1st flight peak: 681 (± 170)


      • _____________________


      BASE 50F DDs for NY NEWA Stations from 1/1-6/1*

      • Geneva || 451
      • Highland HVRL || 586
      • Clifton Park || 506
      • Peru (Forrence) || 418
      • Medina - Inland || 405
      • Appleton North - Lake || 346
      • Fairville (The Apple Shed) - Inland || 418
      • Williamson (DeMarree) - Lake || 376


        • _____________________


        BASE 50F Upcoming Pest Events: Average DDs (std)*

        • Codling moth - 1st adult catch: 249 (± 55)
        • San Jose scale - 1st adult catch: 284 (± 61)
        • Spotted tentiform leaf miner - 1st mines: 241 (± 76)
        • Plum curculio - 1st oviposition scars: 286 (± 37)
        • Pear psylla - hardshell stage: 312 (± 51)
        • Lesser peach tree borer - 1st adult catch: 308 (± 59)
        • San Jose scale - 1st flight peak: 355 (± 58)
        • European red mite - sample (2.5 mite/leaf): June 1
        • Obliquebanded Leafroller - set traps: June 1
        • Black stem borer - 1st flight peak: 383 (±122)


          • _____________________


          *All DDs Baskerville-Emin, B.E.

          LINKS

          • https://droughtmonitor.unl.edu/CurrentMap/StateDroughtMonitor.aspx?Northeast 
          • https://www.nrcc.cornell.edu/regional/drought/drought.html
          • https://www.weather.gov/
          • Cox Lab twitter: @fruitpathology
          • Monique Rivera twitter: @moniquejrivera
          • Anna Wallis twitter: @jesuisunanana
          • Jason Londo twitter: @shiversherlock
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