Scaffolds

By ScaffoldsScience Natural Sciences

Scaffolds episodes

April 16, 202415 April 2024
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
24 min
April 09, 20248 April 2024
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 ([email protected]), 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:
[email protected], 518.651.9617. Kitty - [email protected], 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
______________________________
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
28 min
April 02, 20241 April 2024
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 ([email protected]), 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.
22 min
March 26, 202425 March 2024 - We're back!
We're back with a new look and sound for Season 2 of Scaffolds! If you've been following along, welcome back. And if you're new here, Scaffolds is a a weekly roundup of the timely updates on insect and disease management as well as phenological developments across New York State for apple growers.

We also have a new co-host, Dr. Kelsey Tobin, postdoctoral researcher in the Rivera Lab. Kelsey will take over for Anna Wallis, bringing us phenological, degree day, and pest event updates. Don't fret, Anna will still join us from time to time to share her expertise and news from around the state.
Our regular hosts include Monique Rivera, Assistant Professor of Entomology at Cornell AgriTech; Kerik Cox, Associate Professor of Plant Pathology at Cornell AgriTech; and Anna Wallis, Fruit IPM Coordinator at NYSIPM.
In this episode, we talk about what to expect and how to manage risk after a mild winter and warm temperatures in February and March. Monique talks about scouting and action thresholds for European red mites, and when to apply dormant oils. Kerik shares how to select a biofix, reducing early season inoculum, and the current apple scab forecast. Anna tells us about some exciting statewide scouting initiatives and events this season. Lastly, Kelsey brings us current degree day and phenology around the state.

All segments recorded March 25 and published March 26, 2024.
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Links and resources:
Monique Rivera's email: [email protected]

Climate Smart Farming tool: http://climatesmartfarming.org/tools/csf-growing-degree-day-calculator/

Virtual IPM Scout Training registration link:
https://cornell.zoom.us/meeting/register/tJYvf-6hqT0oHdSmFaOUnA0OGBG8TXwpNt5L

To contribute to the new statewide insect pest monitoring network, contact Anna Wallis: [email protected]⁠
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McIntosh Phenology and DDs (43F) (avg +/- std)
Silver tip || 58-106

Green tip || 99-144

Half-Inch Green || 150-201

Tight Cluster || 206-257

Pink || 267-316

Bloom || 344-415

Petal Fall || 439-523
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Phenology and DDs (43F) for NY NEWA Stations from 1/1-3/25
Geneva || 74 || projected 83 by EOW || Silver tip

Highland HVRL || 94 || projected 102 by EOW || Green tip

Clifton Park || 48 || projected 51 by EOW || entering silver tip

Peru (Forrence) || 12 || projected 16 by EOW || dormant

Medina - Inland || 88 || projected 92 by EOW || green tip

Appleton North - Lake || 66 || projected 69 by EOW || silver tip

Williamson (Mason) - Inland || 67 || projected 75 by EOW || silver tip

Williamson (DeMarree) - Lake || 83 || projected 89 by EOW || silver tip nearing green
32 min
August 10, 202320 - 10 August 2023 Season Finale!
This week we are joined by special guest Vaughn Gingerich, CCA; owner and consultant of Lake Ontario Ag Consulting. Our regular hosts include Monique Rivera, assistant professor of entomology at Cornell AgriTech; Kerik Cox, associate professor of plant pathology; and Anna Wallis, fruit IPM coordinator.
In our last episode of the 2023 season, Monique and Kerik sit down with Vaughn to review the season's greatest challenges and make recommendations for dealing with them. Anna brings us one last State of the State.

Thanks everyone who followed along this season. As always, we welcome your feedback. Stay tuned - we'll be back in spring 2024 with more episodes!
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BASE 43F Phenology and DDs for NY NEWA Stations from 1/1-8/9
Geneva || fruit sizing || 2634

Highland HVRL || fruit sizing || 2967

Clifton Park || fruit sizing || 2748

Peru (Forrence) || fruit sizing || 2464

Medina - Inland || fruit sizing || 2483

Appleton North - Lake || fruit sizing || 2418

Fairville (The Apple Shed) - Inland || fruit sizing || 2482

Williamson (DeMarree) - Lake || fruit sizing || 2501

_____________________

BASE 43F Upcoming Pest Events: Average DDs (std)*
AM - 1st catch: 1509 (± 285)

LPTB - peak catch: 1234 (± 470)

STLM - 2nd flight peak: 1563 (± 207)

CM - 1st flight ending: 1557 (± 262)

Peachtree borer - peak catch: 1579 (± 465)

Lesser appleworm - 2nd flight starting: 1768 (± 339)

American plum borer - 2nd flight starting: 1850 (± 290)

RBLR - 2nd flight peak: 1721 (± 232)

SJS - 2nd flight peak: 1804 (± 170)

CM - 2nd flight starting: 1887 (± 313)

Dogwood borer - peak catch: 1611 (± 226)

STLM - 2nd flight ending: 2167 (± 177)

American plum borer - 2nd flight peak: 2290 (± 285)

OFM - 2nd flight ending: 2044 (± 233)
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BASE 50F DDs for NY NEWA Stations from 1/1-8/9*
Geneva || 1812

Highland HVRL || 2038

Clifton Park || 1898

Peru (Forrence) || 1675

Medina - Inland || 1684

Appleton North - Lake || 1632

Fairville (The Apple Shed) - Inland || 1688

Williamson (DeMarree) - Lake || 1704

_____________________

BASE 50F Upcoming Pest Events: Average DDs (std)*
AM - 1st catch: 973 (± 206)

LPTB - peak catch: 785 (± 338)

STLM - 2nd flight peak: 1011 (± 163)

CM - 1st flight ending: 1011 (± 187)

Peachtree borer - peak catch: 1036 (± 353)

Lesser appleworm - 2nd flight starting: 1165 (± 240)

OFM - 2nd flight peak: 1115 (± 190)

American plum borer - 2nd flight starting: 1231 (± 203)

RBLR - 2nd flight peak: 1129 (± 176)

SJS - 2nd flight peak: 1199 (± 136)

CM - 2nd flight starting: 1251 (± 223)

Dogwood borer - peak catch: 1040 (± 172)

STLM - 2nd flight ending: 1466 (± 151)

American plum borer - 2nd flight peak: 1564 (± 213)

OFM - 2nd flight ending: 1545 (± 195)
_____________________

*All DDs Baskerville-Emin, B.E.

LINKS
Lake Ontario Ag Consulting: https://lakeontarioagconsulting.com/

Northeast Regional Climate Center: ⁠⁠⁠http://www.nrcc.cornell.edu/⁠⁠⁠

NOAA Climate Prediction Center: ⁠⁠⁠⁠⁠⁠⁠https://www.cpc.ncep.noaa.gov/products/predictions/610day/⁠⁠
Cox Lab blog: ⁠⁠⁠⁠⁠⁠⁠⁠https://blogs.cornell.edu/coxlab/⁠⁠⁠⁠⁠⁠⁠⁠

Nielsen Lab twitter: @NielsenFruitLab

Cox Lab twitter: @fruitpathology

Monique Rivera twitter: @moniquejrivera

Anna Wallis twitter: @jesuisunanana
24 min
August 03, 202319 - 1 August 2023
This week our hosts include Monique Rivera, assistant professor of entomology at Cornell AgriTech; Kerik Cox, associate professor of plant pathology; and Anna Wallis, fruit IPM coordinator.

In this episode, Monique talks about optimizing pesticide efficacy via managing pH, water quality, proper mixing, and application rates. Kerik tells us about how to spot and avoid fruit finish disorders including apple scarf. Anna brings us her State of the State on current growing conditions and pests around the state. Recorded July 31 and released August 3, 2023.
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BASE 43F Phenology and DDs for NY NEWA Stations from 1/1-7/31
Geneva || fruit sizing || 2392

Highland HVRL || fruit sizing || 2719

Clifton Park || fruit sizing || 2516

Peru (Forrence) || fruit sizing || 2244

Medina - Inland || fruit sizing || 2249

Appleton North - Lake || fruit sizing || 2179

Fairville (The Apple Shed) - Inland || fruit sizing || 2248

Williamson (DeMarree) - Lake || fruit sizing || 2252

_____________________

BASE 43F Upcoming Pest Events: Average DDs (std)*
AM - 1st catch: 1509 (± 285)

LPTB - peak catch: 1234 (± 470)

STLM - 2nd flight peak: 1563 (± 207)

CM - 1st flight ending: 1557 (± 262)

Peachtree borer - peak catch: 1579 (± 465)

Lesser appleworm - 2nd flight starting: 1768 (± 339)

American plum borer - 2nd flight starting: 1850 (± 290)

RBLR - 2nd flight peak: 1721 (± 232)

SJS - 2nd flight peak: 1804 (± 170)

CM - 2nd flight starting: 1887 (± 313)

Dogwood borer - peak catch: 1611 (± 226)

STLM - 2nd flight ending: 2167 (± 177)

American plum borer - 2nd flight peak: 2290 (± 285)

OFM - 2nd flight ending: 2044 (± 233)
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BASE 50F DDs for NY NEWA Stations from 1/1-7/25*
Geneva || 1633

Highland HVRL || 1853

Clifton Park || 1729

Peru (Forrence) || 1518

Medina - Inland || 1513

Appleton North - Lake || 1456

Fairville (The Apple Shed) - Inland || 1517

Williamson (DeMarree) - Lake || 1518

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BASE 50F Upcoming Pest Events: Average DDs (std)*
AM - 1st catch: 973 (± 206)

LPTB - peak catch: 785 (± 338)

STLM - 2nd flight peak: 1011 (± 163)

CM - 1st flight ending: 1011 (± 187)

Peachtree borer - peak catch: 1036 (± 353)

Lesser appleworm - 2nd flight starting: 1165 (± 240)

OFM - 2nd flight peak: 1115 (± 190)

American plum borer - 2nd flight starting: 1231 (± 203)

RBLR - 2nd flight peak: 1129 (± 176)

SJS - 2nd flight peak: 1199 (± 136)

CM - 2nd flight starting: 1251 (± 223)

Dogwood borer - peak catch: 1040 (± 172)

STLM - 2nd flight ending: 1466 (± 151)

American plum borer - 2nd flight peak: 1564 (± 213)

OFM - 2nd flight ending: 1545 (± 195)
_____________________

*All DDs Baskerville-Emin, B.E.

LINKS
Northeast Regional Climate Center: ⁠⁠http://www.nrcc.cornell.edu/⁠⁠

NOAA Climate Prediction Center: ⁠⁠⁠⁠https://www.cpc.ncep.noaa.gov/products/predictions/610day/⁠
Cox Lab blog: ⁠⁠⁠⁠⁠⁠⁠https://blogs.cornell.edu/coxlab/⁠⁠⁠⁠⁠⁠⁠

Nielsen Lab twitter: @NielsenFruitLab

Cox Lab twitter: @fruitpathology

Monique Rivera twitter: @moniquejrivera

Anna Wallis twitter: @jesuisunanana
22 min
July 27, 202318 - 25 July 0223
This week we are joined by special guest Dr. Anne Nielsen, associate professor and extension specialist of fruit entomology at Rutgers University. Our regular hosts include Monique Rivera, assistant professor of entomology at Cornell AgriTech, Kerik Cox, associate professor of plant pathology at Cornell AgriTech, and Anna Wallis, fruit IPM coordinator with NYS IPM.

In this episode, Monique interviews Dr. Nielsen about brown marmorated stink bug management techniques. Kerik Cox discusses the causes, symptoms, and management of tree canker. Anna Wallis gives the State of the State update on growing conditions and pest activity across the state. Recorded July 25 and released July 27, 2023.
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BASE 43F Phenology and DDs for NY NEWA Stations from 1/1-7/25
Geneva || fruit sizing || 2198

Highland HVRL || fruit sizing || 2513

Clifton Park || fruit sizing || 2316

Peru (Forrence) || fruit sizing || 2072

Medina - Inland || fruit sizing || 2062

Appleton North - Lake || fruit sizing || 1981

Fairville (The Apple Shed) - Inland || fruit sizing || 2066

Williamson (DeMarree) - Lake || fruit sizing || 2059

_____________________

BASE 43F Upcoming Pest Events: Average DDs (std)*
AM - 1st catch: 1509 (± 285)

LPTB - peak catch: 1234 (± 470)

STLM - 2nd flight peak: 1563 (± 207)

CM - 1st flight ending: 1557 (± 262)

Peachtree borer - peak catch: 1579 (± 465)

Lesser appleworm - 2nd flight starting: 1768 (± 339)

American plum borer - 2nd flight starting: 1850 (± 290)

RBLR - 2nd flight peak: 1721 (± 232)

SJS - 2nd flight peak: 1804 (± 170)

CM - 2nd flight starting: 1887 (± 313)

Dogwood borer - peak catch: 1611 (± 226)

STLM - 2nd flight ending: 2167 (± 177)

American plum borer - 2nd flight peak: 2290 (± 285)

OFM - 2nd flight ending: 2044 (± 233)
_____________________

BASE 50F DDs for NY NEWA Stations from 1/1-7/25*
Geneva || 1488

Highland HVRL || 1696

Clifton Park || 1579

Peru (Forrence) || 1395

Medina - Inland || 1375

Appleton North - Lake || 1306

Fairville (The Apple Shed) - Inland || 1385

Williamson (DeMarree) - Lake || 1374

_____________________

BASE 50F Upcoming Pest Events: Average DDs (std)*
AM - 1st catch: 973 (± 206)

LPTB - peak catch: 785 (± 338)

STLM - 2nd flight peak: 1011 (± 163)

CM - 1st flight ending: 1011 (± 187)

Peachtree borer - peak catch: 1036 (± 353)

Lesser appleworm - 2nd flight starting: 1165 (± 240)

OFM - 2nd flight peak: 1115 (± 190)

American plum borer - 2nd flight starting: 1231 (± 203)

RBLR - 2nd flight peak: 1129 (± 176)

SJS - 2nd flight peak: 1199 (± 136)

CM - 2nd flight starting: 1251 (± 223)

Dogwood borer - peak catch: 1040 (± 172)

STLM - 2nd flight ending: 1466 (± 151)

American plum borer - 2nd flight peak: 1564 (± 213)

OFM - 2nd flight ending: 1545 (± 195)
_____________________

*All DDs Baskerville-Emin, B.E.

LINKS
Nielsen Fruit Entomology Lab: https://nielsenentlab.weebly.com/

NOAA drought monitor:https://droughtmonitor.unl.edu/CurrentMap/StateDroughtMonitor.aspx?Northeast

Northeast Regional Climate Center: ⁠http://www.nrcc.cornell.edu/⁠

NOAA Climate Prediction Center: ⁠https://www.cpc.ncep.noaa.gov/products/predictions/610day/
Cox Lab blog: ⁠⁠⁠⁠⁠⁠https://blogs.cornell.edu/coxlab/⁠⁠⁠⁠⁠⁠

Nielsen Lab twitter: @NielsenFruitLab

Cox Lab twitter: @fruitpathology

Monique Rivera twitter: @moniquejrivera

Anna Wallis twitter: @jesuisunanana
26 min
July 19, 202317 - 19 July 2023
This week we are joined by special guest Dr. Gennaro Fazio, Research Geneticist with USDA ARS in Geneva, NY. Our regular hosts include Monique Rivera, assistant professor of entomology at Cornell AgriTech, and Anna Wallis, Fruit IPM Coordinator with NYS IPM.

In this episode, Monique interviews Dr. Fazio about apple rootstocks and how rootstock choices could help with the management of wooly apple aphid. Anna Wallis gives the State of the State update on our continued degree day accumulation and ramp up for the second round of pests. Recorded July 18 and released July 19, 2023.
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BASE 43F Phenology and DDs for NY NEWA Stations from 1/1-7/18
Geneva || fruit sizing || 2008

Highland HVRL || fruit sizing || 2298

Clifton Park || fruit sizing || 2110

Peru (Forrence) || fruit sizing || 1880

Medina - Inland || fruit sizing || 1875

Appleton North - Lake || fruit sizing || 1789

Fairville (The Apple Shed) - Inland || fruit sizing || 1884

Williamson (DeMarree) - Lake || fruit sizing || 1862

_____________________

BASE 43F Upcoming Pest Events: Average DDs (std)*
AM - 1st catch: 1509 (± 285)

LPTB - peak catch: 1234 (± 470)

STLM - 2nd flight peak: 1563 (± 207)

CM - 1st flight ending: 1557 (± 262)

Peachtree borer - peak catch: 1579 (± 465)

Lesser appleworm - 2nd flight starting: 1768 (± 339)

American plum borer - 2nd flight starting: 1850 (± 290)

RBLR - 2nd flight peak: 1721 (± 232)

SJS - 2nd flight peak: 1804 (± 170)

CM - 2nd flight starting: 1887 (± 313)

Dogwood borer - peak catch: 1611 (± 226)

STLM - 2nd flight ending: 2167 (± 177)

American plum borer - 2nd flight peak: 2290 (± 285)

OFM - 2nd flight ending: 2044 (± 233)
_____________________

BASE 50F DDs for NY NEWA Stations from 1/1-7/18*
Geneva || 1347

Highland HVRL || 1530

Clifton Park || 1422

Peru (Forrence) || 1252

Medina - Inland || 1237

Appleton North - Lake || 1164

Fairville (The Apple Shed) - Inland || 1252

Williamson (DeMarree) - Lake || 1226

_____________________

BASE 50F Upcoming Pest Events: Average DDs (std)*
AM - 1st catch: 973 (± 206)

LPTB - peak catch: 785 (± 338)

STLM - 2nd flight peak: 1011 (± 163)

CM - 1st flight ending: 1011 (± 187)

Peachtree borer - peak catch: 1036 (± 353)

Lesser appleworm - 2nd flight starting: 1165 (± 240)

OFM - 2nd flight peak: 1115 (± 190)

American plum borer - 2nd flight starting: 1231 (± 203)

RBLR - 2nd flight peak: 1129 (± 176)

SJS - 2nd flight peak: 1199 (± 136)

CM - 2nd flight starting: 1251 (± 223)

Dogwood borer - peak catch: 1040 (± 172)

STLM - 2nd flight ending: 1466 (± 151)

American plum borer - 2nd flight peak: 1564 (± 213)

OFM - 2nd flight ending: 1545 (± 195)
_____________________

*All DDs Baskerville-Emin, B.E.

LINKS
NOAA drought monitor: https://droughtmonitor.unl.edu/CurrentMap/StateDroughtMonitor.aspx?Northeast

Northeast Regional Climate Center: http://www.nrcc.cornell.edu/

NOAA Climate Prediction Center: https://www.cpc.ncep.noaa.gov/products/predictions/610day/

Tree decline blog post: https://blogs.cornell.edu/plantpathhvl/2017/01/23/trunk-related-problems-in-apples-sad/
Cox Lab blog: ⁠⁠⁠⁠⁠https://blogs.cornell.edu/coxlab/⁠⁠⁠⁠⁠

Cox Lab twitter: @fruitpathology

Monique Rivera twitter: @moniquejrivera

Anna Wallis twitter: @jesuisunanana
22 min
July 13, 202316 - 11 July 2023
This week we are joined by special guest Liz Malchoff of Empire Drip Supply in Sodus, NY. As usual, our other hosts include Monique Rivera, assistant professor of entomology at Cornell AgriTech; Kerik Cox, associate professor of plant pathology; and Anna Wallis, fruit IPM coordinator.

In this episode, Monique talks with Liz about the benefits and logistics of using chemigation systems in apple orchards. Kerik talks about management strategies for apple blotch (formerly Marssonina leaf blotch). Anna brings us her State of the State update on regional degree day accumulation, pest developments, and apple phenology. Recorded July 11 and released July 13, 2023.

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BASE 43F Phenology and DDs for NY NEWA Stations from 1/1-7/11
Geneva || fruit sizing || 1769

Highland HVRL || fruit sizing || 2064

Clifton Park || fruit sizing || 1880

Peru (Forrence) || fruit sizing || 1671

Medina - Inland || fruit sizing || 1677

Appleton North - Lake || fruit sizing || 1597

Fairville (The Apple Shed) - Inland || fruit sizing || 1685

Williamson (DeMarree) - Lake || fruit sizing || 1654

_____________________

BASE 43F Upcoming Pest Events: Average DDs (std)*
Apple Maggot - set traps out: July 1

ERM - sample 5 mites/leaf: July 1

Comstock mealybug - set tape traps: July 1 ENY, July 15 WNY

OFM - 2nd flight starting: 1180 (± 136)

OBLR - summer gen. sample: approx. July 10

STLM - summer gen. sample: approx. July 9

RBLR - 2nd flight starting: 1367 (± 105)

AM - 1st catch: 1509 (± 285)

LPTB - peak catch: 1234 (± 470)

STLM - 2nd flight peak: 1563 (± 207)

CM - 1st flight ending: 1557 (± 262)

Peachtree borer - peak catch: 1579 (± 465)

Lesser appleworm - 2nd flight starting: 1768 (± 339)

OFM - 2nd flight peak: 1450 (± 147)
_____________________

BASE 50F DDs for NY NEWA Stations from 1/1-7/5*
Geneva || 1166

Highland HVRL || 1345

Clifton Park || 1240

Peru (Forrence) || 1092

Medina - Inland || 1088

Appleton North - Lake || 1021

Fairville (The Apple Shed) - Inland || 1101

Williamson (DeMarree) - Lake || 1066

_____________________

BASE 50F Upcoming Pest Events: Average DDs (std)*
Obliquebanded Leafroller - 1st adult catch: 523 (± 62)

Apple Maggot - set traps out: July 1

ERM - sample 5 mites/leaf: July 1

Comstock mealybug - set tape traps: July 1 ENY, July 15 WNY

OFM - 2nd flight starting: 856 (± 106)

OBLR - summer gen. sample: approx. July 10

STLM - summer gen. sample: approx. July 9

RBLR - 2nd flight starting: 866 (± 135)

AM - 1st catch: 973 (± 206)

LPTB - peak catch: 785 (± 338)

STLM - 2nd flight peak: 1011 (± 163)

CM - 1st flight ending: 1011 (± 187)

Peachtree borer - peak catch: 1036 (± 353)

Lesser appleworm - 2nd flight starting: 1165 (± 240)

OFM - 2nd flight peak: 1115 (± 190)
_____________________

*All DDs Baskerville-Emin, B.E.

LINKS
Empire Drip Supply: https://empiredripsupply.com/

NOAA drought monitor: https://droughtmonitor.unl.edu/CurrentMap/StateDroughtMonitor.aspx?Northeast

MSU fireblight pruning webinar: https://mediaspace.msu.edu/media/June+13%2C+2023A+Fire+Blight+Webinar+Series+/1_egiegimw

Cox Lab blog: ⁠⁠⁠⁠https://blogs.cornell.edu/coxlab/⁠⁠⁠⁠

Cox Lab twitter: @fruitpathology

Monique Rivera twitter: @moniquejrivera

Anna Wallis twitter: @jesuisunanana
27 min
July 06, 202315 - 5 July 2023
This week our hosts include Monique Rivera, assistant professor of entomology at Cornell AgriTech; Kerik Cox, associate professor of plant pathology; and Anna Wallis, fruit IPM coordinator.

In this episode, Monique talks about timing sprays for woolly apple aphid, and describes the apple leaf curling midge - an emerging pest in NYS. Kerik describes the biology and identification of apple blotch (formerly Marssonina leaf blotch). Anna brings us her State of the State update on regional degree day accumulation, pest developments, and apple phenology. Recorded July 5 and released July 6, 2023.

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BASE 43F Phenology and DDs for NY NEWA Stations from 1/1-7/5
Geneva || fruit sizing || 1589

Highland HVRL || fruit sizing || 1866

Clifton Park || fruit sizing || 1681

Peru (Forrence) || fruit sizing || 1489

Medina - Inland || fruit sizing || 1504

Appleton North - Lake || fruit sizing || 1415

Fairville (The Apple Shed) - Inland || fruit sizing || 1508

Williamson (DeMarree) - Lake || fruit sizing || 1473

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BASE 43F Upcoming Pest Events: Average DDs (std)*
Apple Maggot - set traps out: July 1

ERM - sample 5 mites/leaf: July 1

Comstock mealybug - set tape traps: July 1 ENY, July 15 WNY

OFM - 2nd flight starting: 1180 (± 136)

OBLR - summer gen. sample: approx. July 10

STLM - summer gen. sample: approx. July 9

RBLR - 2nd flight starting: 1367 (± 105)

AM - 1st catch: 1509 (± 285)

LPTB - peak catch: 1234 (± 470)

STLM - 2nd flight peak: 1563 (± 207)

CM - 1st flight ending: 1557 (± 262)

Peachtree borer - peak catch: 1579 (± 465)

Lesser appleworm - 2nd flight starting: 1768 (± 339)

OFM - 2nd flight peak: 1450 (± 147)
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BASE 50F DDs for NY NEWA Stations from 1/1-7/5*
Geneva || 1028

Highland HVRL || 1189

Clifton Park || 1084

Peru (Forrence) || 952

Medina - Inland || 957

Appleton North - Lake || 880

Fairville (The Apple Shed) - Inland || 967

Williamson (DeMarree) - Lake || 928

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BASE 50F Upcoming Pest Events: Average DDs (std)*
Obliquebanded Leafroller - 1st adult catch: 523 (± 62)

Apple Maggot - set traps out: July 1

ERM - sample 5 mites/leaf: July 1

Comstock mealybug - set tape traps: July 1 ENY, July 15 WNY

OFM - 2nd flight starting: 856 (± 106)

OBLR - summer gen. sample: approx. July 10

STLM - summer gen. sample: approx. July 9

RBLR - 2nd flight starting: 866 (± 135)

AM - 1st catch: 973 (± 206)

LPTB - peak catch: 785 (± 338)

STLM - 2nd flight peak: 1011 (± 163)

CM - 1st flight ending: 1011 (± 187)

Peachtree borer - peak catch: 1036 (± 353)

Lesser appleworm - 2nd flight starting: 1165 (± 240)

OFM - 2nd flight peak: 1115 (± 190)
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*All DDs Baskerville-Emin, B.E.

LINKS
ENYCHP webinar on leaf curling midge: https://www.youtube.com/watch?v=bnSqoYIj7kk

NOAA storm prediction: ⁠https://www.spc.noaa.gov/⁠

Northeast Regional Climate Center (NRCC): http://www.nrcc.cornell.edu/

Cox Lab blog: ⁠⁠⁠https://blogs.cornell.edu/coxlab/⁠⁠⁠

Cox Lab twitter: @fruitpathology

Monique Rivera twitter: @moniquejrivera

Anna Wallis twitter: @jesuisunanana
18 min

About Scaffolds

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We release weekly episodes relevant to apple growers for twenty weeks from Late March to Mid August. Dr. Monique Rivera covers entomology pest management topics. Dr. Kerik Cox covers disease forecasting and apple pathology. Dr. Anna Wallis presents a weekly "state of the state" update including degree days, phenology, and insect pest captures.

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