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April 12th, 1999 Volume 8 No. 4 Update on Pest Management and Crop Development

Coming Events & Current Situation
Diseases
Insects
Chemical News
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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 99 index

 

COMING EVENTS

43F

50F

Current DD accumulations (Geneva 1/1-4/12):

135

56

(Highland 1/1-4/12):

220

94

 

Coming Events:

Ranges:

 

Green fruitworm peak flight

64-255

19-108

Lesser appleworm 1st flight

135-651

49-377

Obliquebanded leafroller larvae active

149-388

54-201

Pear psylla 1st oviposition

25-147

1-72

Pear thrips in pear buds

137-221

54-101

Pear psylla 1st hatch

111-402

55-208

Rosy apple aphid nymphs present

91-291

45-148

Spotted tentiform leafminer 1st catch

73-433

17-251

Spotted tentiform leafminer 1st oviposition

141-319

48-154

McIntosh at half-inch green

112-221

54-101

McIntosh at half-inch green

112-221

54-102

Peach at half-inch green

154-230

61-101

Pear at green cluster

188-282

68-138

Plum at bud burst

68-234

33-108

Plum at green cluster

170-282

75-138

Sweet cherry at white bud

152-267

75-116

Tart cherry at wlhite bud

257-326

109-149

     

Phenologies (Geneva):Apple (McIntosh):

Green Tip

(Delicious):

Silver Tip

Pear (Bartlett) :

Early Bud Burst

Sweet Cherry (Windsor):

Early Bud Break

Tart Cherry (Montmorency):

Swollen Bud

Peach:

Bud Burst

(Highland): Apple (McIntosh):

Half-Inch Green

Pear (Bartlett):

Late Bud Burst

Apricot:

Bloom

Peach:

Pink

Plum:

Green Cluster

TRAP CATCHES (Number/trap/day)

Geneva:

3/29

4/1

4/5

4/8

4/12

Green Fruitworm

0.0

0.5*

0.3

0.7

0.3

Spotted Tentiform Leafminer

0.0

0.0

0.0

0.0

0.0

Redbanded Leafroller

0.0

0.0

0.1*

1.0

0.1

Highland (Dick Straub, Peter Jentsch):

3/29

3/31

4/5

4/12

Green Fruitworm

0.1*

2.0

0.6

0.5

Spotted Tentiform Leafminer

0.0

0.0

<0.1*

2.4

Redbanded Leafroller

0.0

3.0*

9.7

10.7

* = 1st catch

4.12 Diseases