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June 26, 2000 Volume 9 No. 15 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 1/1-6/26):

1324

780

(Geneva 1999 1/1-6/26):

1354

857

(Geneva "Normal" 1/1-6/26):

1248

834

(Highland 1/1-6/26):

1536

952

 

Coming Events:

Ranges:

 

American plum borer 1st flight subsides

848-1668

440-1205

Apple maggot 1st catch

1045-1671

629-1078

Obliquebanded leafroller summer larvae hatch

1076-1513

630-980

Oriental fruit moth 2nd flight begins

1152-1819

772-1215

San Jose scale 1st generation crawlers present

987-1247

569-784

Spotted tentiform leafminer 2nd flight peak

1266-2005

775-1355

 

 

TRAP CATCHES (Number/trap/day)

Geneva

6/15

6/19

6/22

6/26

Redbanded Leafroller

0.0

0.0

0.0

0.0*

Spotted Tentiform Leafminer

40.2

174

547

378

Oriental Fruit Moth

0.3

0.3

0.0

1.0

Lesser Appleworm

0.5

0.5

0.0

1.3

Codling Moth

9.0

14.2

5.3

5.3

San Jose Scale

0.0

0.1

0.0

0.0

Pandemis Leafroller

1.5

2.1

0.5

0.3

American Plum Borer

1.3

0.1

1.0

0.4

Lesser Peachtree Borer

1.7

3.6

2.2

3.0

Peachtree Borer

0.0

0.0

0.0

0.1*

Obliquebanded Leafroller

3.8

4.6

-

4.1

Apple Maggot

-

-

0.0

0.0

Dogwood Borer

-

-

0.2*

0.1

Highland (Dick Straub, Peter Jentsch):

6/5

6/12

6/19

6/26

Redbanded Leafroller

0.0

0.0

0.0

0.6*

Spotted Tentiform Leafminer

0.1

27.7

75.6

49.6

Oriental Fruit Moth

0.1

0.1

0.1

0.0

Codling Moth

0.7

1.1

3.4

4.7

Pear Psylla (eggs/50 leaves)

190

615

-

90

Pear Psylla (nymphs/50 leaves)

75

100

-

110

Lesser Peachtree Borer

0.1

0.2

0.1

0.3

Lesser Appleworm

-

-

1.0

0.0

Dogwood Borer

0.0

0.0

0.0

0.0

American Plum Borer

0.0

1.4

0.6

0.3

Obliquebanded Leafroller

0.6*

1.0

0.6

0.5

Tufted Apple Budmoth

0.1*

1.0

0.6

1.1

* = 1st catch

 

PEST FOCUS

Geneva:

Spotted Tentiform Leafminer 2nd flight began 6/15. Degree days (base 43°F) since then = 306. Obliquebanded Leafroller flight began 6/8. Degree days (base 43°F) since then = 468. Codling Moth flight began 5/19; DD50 since then = 454. Redbanded Leafroller 2nd flight began 6/26. Peachtree Borer and Dogwood Borer flights began 6/22.

Highland:

Codling Moth flight began 5/8; DD50 since then = 960. Obliquebanded Leafroller flight began 6/5. Degree days (base 43°F) since then = 509. Spotted Tentiform Leafminer 2nd flight began 6/12. DD43 since then = 350. Aphid numbers increasing rapidly Redbanded Leafroller 2nd flight began 6/26. Rose Leafhopper and Potato Leafhopper on apple.

 

> 6.26 Diseases