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April 16th, 2001 Volume 10 No.5 Update on Pest Management and Crop Development

Coming Events & Current Situation
Diseases
Insects
General Information
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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 1/1-4/16):

88

37

(Geneva 1/1-4/16/2000):

210

86

(Geneva "Normal"):

138

59

 

Coming Events:

Ranges:

 

Green fruitworm flight peak

64-255

19-108

Spotted tentiform leafminer 1st catch

73-433

17-251

Redbanded leafroller 1st catch

32-480

5-251

McIntosh at green tip

24-165

4-74

 

Phenologies

(Geneva): Apple (McIntosh):

Green Tip

Apple (Red Delicious):

Silver Tip

Pear (Bartlett):

Swollen Bud

Tart Cherry (Montmorency):

Swollen Bud

Sweet Cherry:

Swollen Bud

Peach:

Early Bud Burst

Plum:

Bud Burst

(Highland): Apple (McIntosh):

Quarter-Inch Green

Pear (Bartlett):

Swollen Bud

TRAP CATCHES (Number/trap/day)

Geneva

4/9

4/12

4/16

Green Fruitworm

0.7*

0.0

0.1

Redbanded Leafroller

0.0

0.0

0.0

Spotted Tentiform Leafminer

0.0

0.0

0.0

Highland (Dick Straub, Peter Jentsch):

4/9

4/16

Green Fruitworm

0.8

1.1

Redbanded Leafroller

0.0

0.2*

Spotted Tentiform Leafminer

0.0

0.1*

Pear Psylla (eggs/100 buds)

14

100

* = 1st catch

PEST FOCUS

Geneva:

Pear Psylla eggs seen in Niagara Co. 4/12

Highland:

1st Redbanded Leafroller and Spotted Tentiform Leafminer caught 4/16. Pear Psylla egg count at 1/bud.

 

Diseases 4.16