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May 14th, 2001 Volume 10 No.9 Update on Pest Management and Crop Development

Coming Events & Current Situation
Insects
General Info
Chem news
Erratum
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Scaffolds is published weekly from March to September by Cornell University -- NYS Agricultural Experiment Station (Geneva), and Ithaca -- with the assistance of Cornell Cooperative Extension.

New York field reports welcomed. Send submissions by 3 p.m. Monday to:

Scaffolds Fruit Journal

Editors: A. Agnello, D. Kain

Dept. of Entomology, NYSAES

Geneva, NY 14456-0462

Phone: 315-787-2341 FAX: 315-787-2326

Scaffolds 01 index

Current DD accumulations

43°F

50°F

(Geneva 1/1-5/14):

464

277

(Geneva 1/1-5/14/2000):

540

294

(Geneva "Normal"):

422

209

Ranges:

American plum borer 1st flight peak

360-962

134-601

Codling moth 1st catch

273-805

141-491

European red mite egg hatch complete

361-484

183-298

Lesser appleworm 1st flight peak

372-851

181-483

Lesser peachtree borer 1st catch

224-946

110-553

Mirid bugs hatch complete

532-720

252-390

Oriental fruit moth 1st flight peak

259-606

96-298

San Jose scale 1st catch

189-704

69-385

Spotted tentiform leafminers sap-feeders present

295-628

130-325

McIntosh at fruit set

467-648

242-339

Phenologies

(Geneva)

Apple (McIntosh):

Petal Fall

Apple (Red Delicious):

90% Petal Fall

Pear (Bartlett):

Fruit Set

Tart Cherry (Montmorency):

Fruit 1/4 Inch

Sweet Cherry:

Fruit 1/4 Inch

Peach:

Petal Fall

Plum:

Fruit Set

(Highland)

Apple (McIntosh):

King Fruit 5mm

TRAP CATCHES (Number/trap/day)

Geneva

5/3

5/7

5/10

5/14

Green Fruitworm

0.0

0.0

0.0

-

Redbanded Leafroller

24.0

5.9

2.2

3.1

Spotted Tentiform Leafminer

627

584

428

242

Oriental Fruit Moth

0.0

72.5*

107

55

Lesser Appleworm

0.0

57.5*

83.3

19.4

American Plum Borer

0.0

0.0

1.0*

1.1

Highland (Dick Straub, Peter Jentsch):

4/30

5/2

5/7

5/14

Green Fruitworm

0.4

0.1

0.0

0.0

Redbanded Leafroller

19.7

33.0

36.4

15.5

Spotted Tentiform Leafminer

44.6

149.5

38.6

17.2

Oriental Fruit Moth

0.0

0.0

0.1*

0.1

Codling Moth

0.0

0.0

0.0

0.8*

PEST FOCUS

Geneva:

1st American Plum Borer trap catch 5/10.

 

Pear Psylla nymphs present.

 

Mullein Plant Bug and Apple Brown Bug (mirid bugs) nymphs present.

Highland:

Pear Psylla hardshell nymphs present and 1st gen. egg hatch complete.

 

1st Oriental Fruit Moth trap catch 5/8 and 1st Codling Moth trap catch 5/14.

 

Very high Obliquebanded Leafroller nummbers in blocks left untreated following hail damage last year.

Insects 5.14