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April 5th, 1999 Volume 8 No. 3 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

 

43F

50F

Current DD accumulations (Geneva 1/1-4/5):

98

39

(Highland 1/1-4/5):

168

67

 

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 green tip

24-165

4-74

McIntosh at half-inch green

112-221

54-102

Peach at bud burst

129-179

53-101

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):

Early Silver Tip

 
 

(Delicious):

Early Silver Tip

 

Pear (Bartlett) :

Swollen Bud

 

Sweet Cherry (Windsor):

Swollen Bud

 

Tart Cherry (Montmorency):

Swollen Bud

 

Peach:

Swollen Bud

 

Plum:

Swollen Bud

(Highland): Apple (McIntosh):

Quarter-Inch Green

 
 

Pear (Bartlett):

Swollen Bud

 

Apricots:

Pink Bud

 

Peaches:

Swollen Bud

PEST FOCUS

Geneva: Green Fruitworm and Redbanded Leafroller 1st flight 4/1

Highland: Tarnished Plant Bugs foraging; 1st flight of Redbanded

Leafroller and Spotted Tentiform Leafminer.

TRAP CATCHES (Number/trap/day)

 

Geneva:

3/25

3/29

4/1

4/5

Green Fruitworm

-

0.0

0.5*

0.3

Redbanded Leafroller

0.0

0.0

0.2*

 

Spotted Tentiform Leafminer

-

0.0

0.0

0.0

         

 

Highland (Dick Straub, Peter Jentsch):  

3/29

3/31

4/5

Green Fruitworm

 

0.1*

2.0

0.6

Spotted Tentiform Leafminer

 

0.0

0.0

<0.1*

Redbanded Leafroller

 

0.0

3.0*

9.7

 

* = 1st catch

     

4.5 Diseases