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July 10, 2000 Volume 9 No. 17 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 1/1-7/10):

1656

1014

(Geneva 1999 1/1-7/10):

1778

1183

(Geneva "Normal" 1/1-7/10):

1616

1107

(Highland 1/1-7/10):

1912

1230

 

Coming Events:

Ranges:

 

American plum borer 2nd flight begins

906-1876

973-1337

Dogwood borer peak catch

1551-1952

986-1306

Apple maggot 1st catch

1045-1671

629-1078

Apple maggot 1st oviposition

1566-2200

1001-1575

Obliquebanded leafroller 1st flight subsides

1420-2452

899-1790

Oriental fruit moth 2nd flight begins

1152-1819

772-1215

Peachtree borer peak flight

864-2241

506-1494

San Jose scale 2nd flight begins

1449-1975

893-1407

 

TRAP CATCHES (Number/trap/day)

Geneva

6/26

6/29

7/10

Redbanded Leafroller

0.0*

0.5

0.6

Spotted Tentiform Leafminer

378

399

364

Oriental Fruit Moth

1.0

1.5

1.0

Lesser Appleworm

1.3

1.0

3.5

Codling Moth

5.3

13.7

5.5

San Jose Scale

0.0

0.3

0.0

Pandemis Leafroller

0.3

0.2

0.0

American Plum Borer

0.4

0.2

0.1

Lesser Peachtree Borer

3.0

5.5

5.5

Peachtree Borer

0.1*

0.3

0.5

Obliquebanded Leafroller

4.1

2.0

3.4

Apple Maggot

0.0

0.0

0.0

Dogwood Borer

0.1

0.3

0.6

Highland (Dick Straub, Peter Jentsch):

6/26

7/3

7/10

Redbanded Leafroller

0.6*

0.9

0.6

Spotted Tentiform Leafminer

49.6

42.5

42.4

Oriental Fruit Moth

0.0

0.4

0.2

Codling Moth

4.7

3.6

0.5

Pear Psylla (eggs/leaf)

1.8

0.4

0.0

Pear Psylla (nymphs/leaf)

2.2

0.4

0.0

Lesser Peachtree Borer

0.3

0.3

0.9

Lesser Appleworm

0.0

0.4

0.1

Dogwood Borer

0.0

0.0

0.1

American Plum Borer

0.3

0.1

0.7

Obliquebanded Leafroller

0.5

0.6

0.6

Tufted Apple Budmoth

1.1

0.0

0.1

Variegated leafroller

-

-

0.2*

* = 1st catch

PEST FOCUS

Geneva:

Codling Moth flight began 5/19; DD50 since then = 688 Lesser appleworm 2nd flight began this week

Highland:

Codling Moth flight began 5/8; DD50 since then = 1238 Obliquebanded Leafroller flight began 6/5. Degree days (base 43°F) since then = 884 Spotted Tentiform Leafminer 2nd flight began 6/12. DD43 sincethen = 725 Leafhopper numbers high, hopperburn apparent.

 

> 7.10 Diseases