Scaffolds Scaffolds

In this week's regular episode, we hear from Kerik about the basics of fire blight management in blossoms, and scab and blight forecasting. Anna brings us the State of the State update on degree day accumulation and phenology. This week for the entomology update we have a bonus episode on pollinators with Monique and Dr. Scott McArt, so be sure to check that out!


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Links and resources:


Cornell Fruit Resources - Frost Protection
Cornell Statewide Frost Protection Webinar (4/12 recording)
MSU Extension - assessing frost damage
NY Tree Fruit Pest Monitoring Network
Interested in collaborating and contributing trap capture data to the pest monitoring network? Contact Anna Wallis - aew232@cornell.edu


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Phenology & DDs* for NY NEWA Stations from 1/1 - 4/30


Station || Stage || DD 43F
Geneva || bloom || 333
Highland (HVRL) || bloom || 412
Clifton Park || pink || 292
Peru (Forrence) || tight cluster || 218
Medina - Inland || bloom || 355
Appleton North - Lake || bloom || 295
Fairville (The Apple Shed) - Inland || bloom || 326
Williamson (DeMarree) - Lake  || bloom || 326

*all DDs Baskerville-Emin, B.E


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Upcoming Pest Events


Pest/Phenology Event || DD Base 43˚F || Approx. Date
Rosy apple aphid – 1st nymphs present || 189 ± 55 || 25-Apr ± 7 days
STLM – 1st adult catch || 168 ± 48 || 20-Apr ± 9 days
STLM – 1st egg observed || 208 ± 65 || 27-Apr ± 5 days
Tight cluster (McIntosh) || 228 ± 27 || 27-Apr ± 7 days
Tarnished plant bug – 1st observed || 222 ± 105 || 25-Apr ± 15 days
OBLR – 1st overwintered larvae observed || 236 ± 78 || 29-Apr ± 7 days
Black stem borer – 1st adult catch || 283 ± 50 || 6-May ± 3 days
European red mite – egg hatch observed || 284 ± 53 || 6-May ± 4 days
Pink (McIntosh) || 289 ± 26 || 3-May ± 7 days
STLM Egg Sample || Pink
OFM Traps set out || Pink
Oriental fruit moth – 1st adult catch || 229** ± 44** || 2-May ± 8 days
RBLR – 1st flight peak || 303 ± 75 || 4-May ± 9 days
STLM – 1st flight peak || 337 ± 71 || 7-May ± 8 days
Full bloom (McIntosh) || 378 ± 35 || 10-May ± 6 days
"OBLR Overwintered Gen. Sample || Bloom"
Codling Moth Traps set out || Bloom

**Base temperature for OFM 45F


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As a point of reference:


Tight cluster (McIntosh) || 228 ± 27 || 27-Apr ± 7 days


Pink (McIntosh) || 289 ± 26 || 3-May ± 7 days


Full bloom (McIntosh) || 378 ± 35 || 10-May ± 6 days




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Check out Dr. Scott McArt on the internet:

https://blogs.cornell.edu/mcartlab/

https://twitter.com/McArtLab



Check out the paper we discuss:

Pesticide risk during commercial apple pollination is greater for honeybees than other managed and wild bees

https://paperpile.com/app/p/17af195d-fd4d-0716-9185-0fe6b6c5ee69




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This week we're joined by Dr. Julianna Wilson, Assistant Professor of entomology at Michigan State University. In this episode, Monique brings us some brief entomology updates, and then talks with Julianna about mating disruption for San Jose scale. Kerik continues with apple scab and fire blight forecasts, as well as a bonus fire blight seasonal outlook. Finally, Anna brings us the State of the State phenological and pest updates from around the state.

Segments recorded April 21 (Kerik), April 22 (Monique) and April 23 (Anna), and released April 23.
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Links and resources:


Frost protection webinar recording from April 12
IPM scouting webinar recording from April 15
Julianna Wilson Lab


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Phenology & DDs* for NY NEWA Stations from 1/1 - 4/15


Station || Stage || DD 43F
Geneva || tight cluster || 264
Highland (HVRL) || pink || 324
Clifton Park || tight cluster || 224
Peru (Forrence) || 1/2" green || 172
Medina - Inland || pink || 292
Appleton North - Lake || pink || 242
Fairville (The Apple Shed) - Inland || pink || 272
Williamson (DeMarree) - Lake  || pink || 272

*all DDs Baskerville-Emin, B.E
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Upcoming Pest Events


Pest/Phenology Event || DD Base 43˚F || Approx. Date
Rosy apple aphid – 1st nymphs present || 189 ± 55 || 25-Apr ± 7 days
STLM – 1st adult catch || 168 ± 48 || 20-Apr ± 9 days
STLM – 1st egg observed || 208 ± 65 || 27-Apr ± 5 days
Tight cluster (McIntosh) || 228 ± 27 || 27-Apr ± 7 days
Tarnished plant bug – 1st observed || 222 ± 105 || 25-Apr ± 15 days
OBLR – 1st overwintered larvae observed || 236 ± 78 || 29-Apr ± 7 days
Black stem borer – 1st adult catch || 283 ± 50 || 6-May ± 3 days
European red mite – egg hatch observed || 284 ± 53 || 6-May ± 4 days
Pink (McIntosh) || 289 ± 26 || 3-May ± 7 days
STLM Egg Sample || Pink
OFM** Traps set out || Pink
Oriental fruit moth – 1st adult catch || 229* ± 44* || 2-May ± 8 days
RBLR – 1st flight peak || 303 ± 75 || 4-May ± 9 days
STLM – 1st flight peak || 337 ± 71 || 7-May ± 8 days
Full bloom (McIntosh) || 378 ± 35 || 10-May ± 6 days
OBLR Overwintered Gen. Sample || Bloom
Codling Moth Traps set out || Bloom

**Base temperature for OFM 45F


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This week we're joined by Dr. Emily Bick, Assistant Professor of entomology at University of Wisconsin-Madison. In this episode, Monique brings us some brief entomology updates, and then talks with Emily about the insect eavesdropper technology her lab is developing. Kerik gives us his disease forecast for the week, and Anna reports her State of the State phenological and pest updates from around the state.



Segments recorded April 13 (Kerik), April 15 (Monique) and April 16 (Anna), and published April 16.


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Links and resources:





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Phenology & DDs for NY NEWA Stations from 1/1 - 4/15


Station || Stage || DD 43F
Geneva || tight cluster || 232
Highland (HVRL) || tight cluster || 260
Clifton Park || 1/2" green || 176
Peru (Forrence) || 1/4" green || 138
Medina - Inland || tight cluster || 245
Appleton North - Lake || tight cluster || 193
Fairville (The Apple Shed) - Inland || tight cluster || 224
Williamson (DeMarree) - Lake  || tight cluster || 222

*all DDs Baskerville-Emin, B.E


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Upcoming Pest Events


Pest/Phenology Event || DD Base 43˚F || Approx. Date


Rosy apple aphid – 1st nymphs present || 189 ± 55 || 25-Apr ± 7 days
STLM – 1st adult catch || 168 ± 48 || 20-Apr ± 9 days
STLM – 1st egg observed || 208 ± 65 || 27-Apr ± 5 days
Tight cluster (McIntosh) || 228 ± 27 || 27-Apr ± 7 days
Tarnished plant bug – 1st observed || 222 ± 105 || 25-Apr ± 15 days
OBLR – 1st overwintered larvae observed || 236 ± 78 || 29-Apr ± 7 days
Black stem borer – 1st adult catch || 283 ± 50 || 6-May ± 3 days
European red mite – egg hatch observed || 284 ± 53 || 6-May ± 4 days
Pink (McIntosh) || 289 ± 26 || 3-May ± 7 days
STLM Egg Sample || Pink
OFM Traps set out || Pink
Oriental fruit moth – 1st adult catch || 229** ± 44 || 2-May ± 8 days

**Base temperature for OFM 45F


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This week we're joined by Savanna Shelnutt, Ag Climate Resiliency Specialist with Cornell Cooperative Extension in the Hudson Valley. In this episode, Monique talks with Savanna about climate resiliency programs, Kerik brings us the latest disease forecasts, and Kelsey and Anna bring the State of the State of degree days, phenology and pest updates.


Our regular hosts include Monique Rivera (monique.rivera@cornell.edu), Assistant Professor of Entomology at Cornell AgriTech; Kerik Cox, Associate Professor of Plant Pathology at Cornell AgriTech; Kelsey Tobin, postdoctoral researcher, and Anna Wallis, Fruit IPM Coordinator at NYSIPM.

Segments recorded April 7 (Kerik), April 8 (Monique and Kelsey), and April 9 (Anna), and published April 9.

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Links and resources:


ss2655@cornell.edu, 518.651.9617. Kitty - kao32@cornell.edu, 315.854.1218


ResilientAg_NYS on Instagram, Facebook, Twitter/X
NRCC Monthly Temperature and Precipitation Maps
Critical temperatures for Frost Damage on Fruit Trees
CSF Growing Degree Day Calculator


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Phenology and DDs (43F B.E.) for NY NEWA Stations from 1/1-4/8


Geneva || 142  || projected 212 by EOW || 


Highland HVRL || 164 || projected 238 by EOW


Clifton Park || 98 || projected 159 by EOW


Peru (Forrence) || 57 || projected 97 by EOW


Medina - Inland || 156 || projected 222 by EOW


Appleton North - Lake || 123 || projected 168 by EOW


Williamson (Mason) - Inland || 126 || projected 184 by EOW


Williamson (DeMarree) - Lake || 142 || projected 186 by EOW




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Pest/Phenology Events || DD Base 43˚F || Approx. Date


STLM Traps set out || 1-Apr


Pear psylla – egg laying || 84 ± 44 || 4-Apr ± 11 days


RBLR – 1st catch || 144 ± 32 || 17-Apr ± 9 days


Rosy apple aphid – 1st nymphs present || 189 ± 55 || 25-Apr ± 7 days


STLM – 1st adult catch || 168 ± 48 || 20-Apr ± 9 days


STLM – 1st egg observed || 208 ± 65 || 27-Apr ± 5 days


Tight cluster (McIntosh) || 228 ± 27 || 27-Apr ± 7 days




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In this episode, we talk about unexpected woolly apple aphid populations springing up in western NY, forecasting apple scab events across the state, and our regular state of the state degree day accumulations and phenology updates. 


Our regular hosts include Monique Rivera (monique.rivera@cornell.edu), Assistant Professor of Entomology at Cornell AgriTech; Kerik Cox, Associate Professor of Plant Pathology at Cornell AgriTech; Kelsey Tobin, postdoctoral researcher, and Anna Wallis, Fruit IPM Coordinator at NYSIPM.


Segments recorded March 31 (Kerik), April 1 (Monique and Kelsey), and April 2 (Anna), and published April 2.

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Links and resources:


Statewide Virtual Scout Training
Apple IPM Intensive Workshop playlist
Apple Insect Targets and IPM Practices (including explanations of Degree Day calculations)


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Phenology and DDs (43F) for NY NEWA Stations from 1/1-4/1*


Geneva || 86 || projected 90 by EOW
Highland HVRL || 102 || projected 111 by EOW
Clifton Park || 48 || projected 51 by EOW
Peru (Forrence) || 13 || projected 16 by EOW || dormant
Medina - Inland || 99 || projected 100 by EOW
Appleton North - Lake || 73 || projected 73 by EOW
Williamson (Mason) - Inland || 79 || projected 79 by EOW
Williamson (DeMarree) - Lake || 97 || projected 97 by EOW


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


STLM traps set out: 1 April
Pear psylla – egg laying: 84 (± 44)
RBLR – 1st catch: 144 (± 32)
Rosy apple aphid – 1st nymphs present: 189 (± 55)
STLM – 1st adult catch: 168 (± 48)



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


STLM traps set out: 1 April
Pear psylla – egg laying: 33 (± 21)
RBLR – 1st catch: 60 (± 20)
Rosy apple aphid – 1st nymphs present: 86 (± 30)
STLM – 1st adult catch: 73 (± 28)



*All DDs Baskerville-Emin, B.E.


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