21 May 2024

On this week’s episode, Monique discusses insects to consider treatments for at petal fall, Kerik give us the disease forecast, and Anna gives us our weekly update on tree phenology and degree day accumulation.

Phenology & DDs for NY NEWA Stations from 1/1 - 5/20

Station || Stage || DD 43F || DD 50F || Rainfall (in) 5/13-20

Geneva || fruit sizing || 712 || 342 || 0.41

Highland (HVRL) || fruit sizing || 764 || 406 || 0.61

Clifton Park || fruit sizing || 650 || 338 || 0.51

Peru (Forrence) || petal fall || 541 || 265 || 0.77*

Medina - Inland || fruit sizing || 714 || 376 || 1.49

Appleton North - Lake || fruit sizing || 597 || 281 || 0.39

Fairville (The Apple Shed) - Inland || fruit sizing || 661 || 336 || 0.33

Williamson (DeMarree) - Lake || fruit sizing || 650 || 315 || 0.29

all DDs Baskerville-Emin, B.E

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Upcoming Pest Events

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

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

OBLR Overwintered Gen. Sample || Bloom

Codling Moth Traps set out || Bloom

Lesser appleworm – 1st catch || 420 ± 144 || 13-May ± 12 days

American plum borer – 1st catch || 457 ± 64 || 16-May ± 7 days

OFM – 1st flight peak || 369* ± 91* || 15-May ± 11 days

Codling moth – 1st adult catch || 475 ± 85 || 18-May ± 7 days

San Jose scale – 1st adult catch || 533 ± 88 || 21-May ± 8 days

Cherry fruit fly traps set out || 20-May

STLM – 1st sap-feeding mines observed || 472 ± 129 || 18-May ± 13 days

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Petal fall (McIntosh) || 479 ± 42 || 18-May ± 6 days

Lesser appleworm – 1st flight peak || 569 ± 205 || 22-May ± 13 days

Plum curculio – 1st oviposition scars observed || 555 ± 77 || 25-May ± 9 days

Pear psylla – hardshell stage observed || 569 ± 87 || 22-May ± 9 days

Lesser peachtree borer – 1st adult catch || 570 ± 94 || 24-May ± 8 days

San Jose scale – 1st flight peak || 644 ± 89 || 29-May ± 8 days

ERM Sample – 2.5 mites/leaf || 1-Jun

OBLR traps set out || 1-Jun

Black stem borer – 1st flight peak || 681 ± 170 || 1-Jun ± 9 days

RBLR – 1st flight ending || 753 ± 140 || 2-Jun ± 8 days

American plum borer – 1st flight peak || 784 ± 183 || 3-Jun ± 9 days

Codling moth – 1st flight peak || 768 ± 206 || 3-Jun ± 12 days

*Base temperature for OFM 45F