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July 6, 1999 Volume 8 No. 16

Coming Events & Current Situation
Scaffolds Logo

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 99 index

COMING EVENTS

 

43F

50F

Current DD accumulations (Geneva 1/1-7/6):

1668

1101

(Geneva 1998 1/1-7/6):

1758

1141

(Geneva "Normal" 1/1-7/6):

1464

1021

(Hudson 3/17-7/6):

1747

1147

Coming Events: Ranges:

American plum borer 2nd flight begins

906-1876

973-1337

Codling moth 2nd flight begins

1355-2302

864-1549

Comstock mealybug 1st flight peak

1528-1782

824-1185

Obliquebanded leafroller summer larvae hatch

1076-1513

630-980

Oriental fruit moth 2nd flight peak

1000-2908

577-2066

San Jose scale 2nd flight begins

1449-1975

893-1407

Spotted tentiform leafminer 2nd flight peaks

1295-2005

824-1355

STLM 2nd generation tissue feeders present

1504-2086

952-1201

Redbanded leafroller 2nd flight peak

1479-2443

952-1698

Apple maggot 1st oviposition punctures

1566-2200

1001-1575

 

TRAP CATCHES (Number/trap/day)

Geneva:

6/21

6/24

6/28

7/1

7/6

Spotted Tentiform Leafminer

153

741

819

675

1112

Redbanded Leafroller

0.0

0.0

0.8*

0.3

0.3

Oriental Fruit Moth

1.3

0.8

5.1*

4.0

1.9

Lesser Appleworm

0.5

0.8

3.4

1.5

2.3

Codling Moth

8.4

5.3

6.5

1.0

2.7

American Plum Borer

0.0

0.0

0.1

0.8

0.1

Lesser Peachtree Borer

0.3

2.5

1.1

0.7

1.0

Pandemis Leafroller

0.0

0.2

0.0

0.0

0.0

Obliquebanded Leafroller

0.4

0.5

0.6

0.5

0.0

Peachtree Borer

1.6

1.0

0.6

1.5

0.8

Dogwood Borer

0.0

0.7*

0.5

0.8

0.9

Apple Maggot

-

0.0

0.06*

0.0

0.05

 

Highland (Dick Straub, Peter Jentsch):

6/7

6/14

6/21

6/28

Spotted Tentiform Leafminer

15.9*

38.5

10.3

34.9

Redbanded Leafroller

0.0

0.1

0.9

2.6

Oriental Fruit Moth

0.6

0.4

0.4

0.6

Codling Moth

1.1

1.0

0.5

1.3

Lesser Appleworm

0.9

0.4

0.6

0.8

European Red Mite (#/leaf)

6.4

5.2

17.8

10.2

Two-Spotted Spider Mite (#/10 lvs)

0.07

3.0

5.8

7.8

San Jose Scale

0.4

0.4

0.0

0.0

Fruittree Leafroller

0.0

0.0

0.0

<0.1

Obliquebanded Leafroller

3.8

5.1

4.8

3.4

Tufted Apple Budmoth

0.0

4.0*

3.7

6.7

Variegated Leafroller

0.0

2.3*

0.7

1.1

Sparganothis Fruitworm

0.0

2.1*

1.9

1.1

Apple Maggot

-

-

0.0

0.0

 

Hudson (Steve McKay):

6/7

6/14

6/21

6/28

7/6

Spotted Tentiform Leafminer

0.2

8.5

7.6

12.8

7.6

Oriental Fruit Moth

1.5

2.1

1.3

0.8

0.6

American Plum Borer (cherry)

1.9

1.5

1.3

1.4

0.7

Lesser Peachtree Borer (peach)

1.4

0.8

6.3

3.0

1.8

Peachtree Borer

0.9

0.9

3.2

3.3

3.3

Tarnished Plant Bug

0.0

0.0

0.2*

1.0

0.3

 

* = 1st catch

       

PEST FOCUS

Geneva:

2nd brood flight of Spotted Tentiform Leafminer started = 6/10. Sampling for control decision recommended at 500-700 DD (base 43°F). Current DD accumulation = 687.

 

Obliquebanded Leafroller DD (base 43°F) accumulated since 1st catch = 893.

 

Degree days (base 50°F) since 1st Codling Moth catch = 714. Control of 2nd generation is timed at 1260 DD. DD Accumulations so far = 906.

 

Past Coming Events: 5/3 | 5/10 | 5/17 | 5/24 | 6/1 | 6/7 | 6/14 | 6/21 | 6/28

Next in this issue: 7/6 Diseases