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July 23th, 2001 Volume 10 No.19 Update on Pest Management and Crop Development

Coming Events & Current Situation
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°

50°F

(Geneva 1/1-7/23):

1982

1323

(Geneva 1/1-7/23/2000):

1958

1226

(Geneva "Normal"):

1972

1365

(Highland 1/1-7/23):

2249

1542

(Hudson 1/1-7/23):

2060

1375

 

Coming Events:

Ranges:

 

American plum borer 2nd flight peak

1648-2688

1037-1840

Apple maggot oviposition punctures present

1566-2200

1001-1575

Codling moth 2nd flight begins

1355-2302

864-1549

Comstock mealybug 1st flight subsides

1668-2245

1101-1450

Obliquebanded leafroller 2nd flight begins

2124-3040

1412-2076

Oriental fruit moth 2nd flight subsides

1806-2783

1164-1963

Redbanded leafroller 2nd flight peak

1479-2443

952-1698

San Jose scale 2nd flight peak

1934-2591

1271-1874

Spotted tentiform leafminer 2nd flight subsides

1773-2514

1148-1818

TRAP CATCHES (Number/trap/day)

Geneva

7/13

7/16

7/19

7/23

Redbanded Leafroller

0.5

0.3

0.3

0.3

Spotted Tentiform Leafminer

400

191

210

200

Oriental Fruit Moth

8.4

4.7

7.8

4.3

Lesser Appleworm

9.5

10.3

12.5

5.1

Codling Moth

2.6

1.0

2.0

1.3

San Jose Scale

0.1

0.5

0.2

11.5*

American Plum Borer

0.6

0.2

-

0.2

Lesser Peachtree Borer

2.1

7.0

-

3.4

Peachtree Borer

0.3

1.0

-

0.9

Dogwood Borer

2.0

0.0

0.0

0.0

Obliquebanded Leafroller

0.0

0.2

0.0

0.0

Apple Maggot

0.3

0.3

0.2

0.7

         

Highland (Dick Straub, Peter Jentsch):

7/2

7/9

7/16

7/23

Redbanded Leafroller

4.0

1.4

1.7

2.1

Spotted Tentiform Leafminer

44.5

33.8

40.7

48.6

Oriental Fruit Moth

0.4

0.7

0.6

0.4

Codling Moth

2.7

1.4

0.3

0.9

Lesser Appleworm

0.5

0.5

0.5

1.0

Variegated Leafroller

0.7

0.4

0.1

0.1

Obliquebanded Leafroller

0.5

0.6

0.0

0.2

Tufted Apple Budmoth

0.0

0.0

0.0

0.0

Apple Maggot

0.1

0.3

1.1

0.5

Dogwood Borer

0.0

0.0

0.0

0.0

Sparganothis Fruitworm

0.0

0.1*

0.0

0.0

         

Hudson (Steve McKay):

7/2

7/9

7/16

7/23

American Plum Borer

0.0

-

0.0

0.0

Oriental Fruit Moth

0.0

-

0.0

0.0

* = 1st catch

 

     

PEST FOCUS

Geneva:

San Jose Scale 2nd flight beginning.

 

Codling Moth model is at 990 DD (base 50°F); 2nd brood sprays at 1260-1370.

 

Spotted Tentiform Leafminer 2nd flight began 6/14. DD (base 43°F) accumulated since then = 1049. (Resample at 840-1149 DD; see Cornell Recommends pg. 64).

Highland:

Apple rust mite damage observed.

 

Codling Moth model is at 1200 DD.

 

Spotted Tentiform Leafminer 2nd flight began 6/11. DD (base 43°F) accumulated since then = 1179.

 

Insects 7.23