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April 17th, 2000 Volume 9 No. 5 Update on Pest Management and Crop Development

Coming Events & Current Situation
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 1/1-4/17):

211

86

(Geneva 1999 1/1-4/17):

154

61

(Geneva "Normal" 1/1-4/17):

141

61

(Highland 1/1-4/17):

306

137

 

Coming Events:

Ranges:

Green apple aphids present

127-297

54-156

Green fruitworm 1st flight peak

64-255

19-108

Obliquebanded leafroller larvae active

149-388

54-201

Oriental fruit moth 1st catch

129-587

44-338

Pear psylla 1st egg hatch

111-402

55-208

Rosy apple aphid nymphs present

91-291

45-148

Spotted tentiform leafminer 1st oviposition

141-319

48-154

Tarnished plant bug adults active

71-536

34-299

McIntosh at tight cluster

188-279

68-138

Peach at pink

152-269

68-121

Pear at green cluster

188-292

68-138

Plum at green cluster

170-282

75-138

Sweet cherry at white bud

152-267

75-116

Tart cherry at white bud

248-326

104-149

Phenologies

(Geneva): Apple (McIntosh):

Half-Inch Green

Apple (Red Delicious):

Half-Inch Green

Pear (Bartlett):

Late Bud Burst/Green Cluster

Tart Cherry (Montmorency):

Bud Burst

Sweet Cherry:

Bud Burst

Peach:

Half-Inch Green

Plum:

Bud Burst

(Highland): Apple (McIntosh):

Early Pink

Pear (Bartlett):

Early White Bud

Peach:

Full Bloom

Plum (Stanley):

Early White Bud

TRAP CATCHES (Number/trap/day)

Geneva

4/3

4/6

4/10

4/17

Green Fruitworm

0.1*

0.0

0.0

0.1

Redbanded Leafroller

0.0

0.0

0.0

2.9*

Spotted Tentiform Leafminer

0.0

0.0

0.0

150*

Highland (Dick Straub, Peter Jentsch):

3/27

4/3

4/10

4/17

Green Fruitworm

1.4*

0.4

0.0

0.0

Redbanded Leafroller

0.5*

3.8

4.7

8.1

Spotted Tentiform Leafminer

0.0

0.1*

2.4

22.9

Pear Psylla (eggs/50 clusters)

-

-

-

12.0

Pear Psylla nymphs/50 clusters

-

-

1.0*

1.0

* = 1st catch

PEST FOCUS

Geneva:

1st catch of Redbanded Leafroller and Spotted Tentiform Leafminer.

Highland:

1st Pear Psylla nymphs and Pear Thrips observed.

Tarnished Plant Bug observed on Bartlett and Bosc pears.

Rose Leafhopper observed on multiflora rose.

 

> 4.17 Insects