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June 5, 2000 Volume 9 No. 12 Update on Pest Management and Crop Development

Coming Events & Current Situation
Diseases
Insects
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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 00 index

Current DD accumulations

43°F

50°F

(Geneva 1/1-6/5):

840

461

(Geneva 1999 1/1-6/5):

828

475

(Geneva "Normal" 1/1-6/5):

480

439

(Highland 1/1-6/5):

1027

590

 

Coming Events:

Ranges:

European red mite summer eggs hatch

773-938

442-582

Obliquebanded leafroller 1st catch

686-1104

392-681

Pandemis leafroller 1st catch

749-829

423-488

San Jose scale 1st flight subsides

768-1096

434-656

Spotted tentiform leafminer 2nd flight begins

795-1379

449-880

 

TRAP CATCHES (Number/trap/day)

Geneva

5/26

5/30

6/1

6/5

Redbanded Leafroller

0.0

0.0

0.0

0.0

Spotted Tentiform Leafminer

8.5

8.9

15.3

7.5

Oriental Fruit Moth

13.5

7.4

10.3

3.8

Lesser Appleworm

12.5

5.6

6.0

3.1

Codling Moth

8.6

5.8

10.3

1.9

San Jose Scale

0.1

0.3

0.8

0.0

Pandemis Leafroller

0.0

0.0

0.0

0.0

American Plum Borer

1.1

0.0

1.3

0.5

Lesser Peachtree Borer

2.3*

2.3

7.8

0.8

Peachtree Borer

0.0

0.0

0.0

0.0

Obliquebanded Leafroller

-

0.0

0.0

0.0

         

Highland (Dick Straub, Peter Jentsch):

5/15

5/22

5/30

6/5

Redbanded Leafroller

1.3

0.6

0.0

0.0

Spotted Tentiform Leafminer

4.9

1.2

0.4

0.1

Oriental Fruit Moth

6.4

1.1

0.1

0.1

Codling Moth

0.9

0.9

1.2

0.7

San Jose Scale

0.0

0.0

0.0

0.0

Pear Psylla (eggs/50 leaves)

0.0

5.0

175

190

Pear Psylla (nymphs/50 leaves)

2.5

0.0

5.0

75

Lesser Peachtree Borer

0.3*

0.1

0.2

0.1

Lilac

-

0.4*

1.1

0.6

Dogwood Borer

-

0.0

0.0

0.0

American Plum Borer

-

2.6

2.9

0.0

Obliquebanded Leafroller

-

-

0.0

0.6*

Tufted Apple Budmoth

-

-

0.0

0.1*

* = 1st catch

PEST FOCUS

Geneva:

Codling Moth flight began 5/19; DD50 since then = 135.

Highland:

Codling Moth flight began 5/8; DD50 since then = 322.

 

1st Obliquebanded Leafroller trap catch occurred over the weekend.

 

Rose Leafhopper and Potato Leafhopper adults present on apple.

 

Green Apple/Spirea Aphids present on apple terminal growth.

 

2nd generation Pear Psylla nymphs hatching.

 

> 6.5 Diseases