Scaffolds Logo

April 4th, 2000 Volume 9 No. 3 Update on Pest Management and Crop Development

Coming Events & Current Situation
Diseases
Insects
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 00 index

Current DD accumulations

43°F

50°F

(Geneva 1/1-4/3):

163

64

(Geneva 1999 1/1-4/3):

78

26

(Geneva "Normal" 1/1-4/3):

79

34

(Highland 1/1-4/3):

197

77

Coming Events:

Ranges:

 

Green fruitworm 1st flight peak

64-255

19-108

Redbanded leafroller 1st catch

32-480

5-251

Spotted tentiform leafminer 1st catch

73-433

17-251

Pear thrips in pear buds

137-221

54-101

Pear psylla 1st egg hatch

111-402

55-208

Rosy apple aphid nymphs present

91-291

45-148

McIntosh at half-inch green

112-221

54-102

Peach at half-inch green

154-230

61-107

Pear at bud burst

68-245

33-117

Plum at bud burst

68-234

33-108

Sweet cherry at bud burst

135-235

53-101

Tart cherry at bud burst

135-279

53-138

Phenologies (Geneva):

 

Apple (McIntosh):

Green Tip

Apple (Red Delicious):

Early Green Tip

Pear (Bartlett):

Swollen Bud

Tart Cherry (Montmorency):

Swollen Bud

Sweet Cherry:

Swollen Bud

Peach:

Green Tip

Plum:

Swollen Bud

(Highland):  

Apple (McIntosh):

Half-Inch Green

Pear (Bartlett):

Swollen Bud

Peach:

Green Tip

 

TRAP CATCHES (Number/trap/day)

Geneva  

3/30

4/3

Green Fruitworm

 

-

0.1*

Redbanded Leafroller

 

-

0.0

Spotted Tentiform Leafminer

 

-

0.0

Highland (Dick Straub, Peter Jentsch):

3/20

3/27

4/3

Green Fruitworm

0.0

1.4*

0.4

Redbanded Leafroller

0.0

0.5*

3.8

Spotted Tentiform Leafminer

0.0

0.0

0.1*

Pear Psylla (eggs/100 buds)

3.0* 42.0

13.0

 

* = 1st catch

 

PEST FOCUS

Geneva:

1st catch of Green Fruitworm

Highland:

1st catch of Spotted Tentiform Leafminer.

 

Aphids observed on apple buds.

 

> 4.3 Diseases