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May 1st, 2000 Volume 9 No. 7 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 00 index

Current DD accumulations

43°F

50°F

(Geneva 1/1-5/1):

266

104

(Geneva 1999 1/1-5/1):

218

85

(Geneva "Normal" 1/1-5/1):

266

123

(Highland 1/1-5/1):

385

171

 

Coming Events:

Ranges:

 

European red mite egg hatch begins

157-358

74-208

Green fruitworm flight subsides

170-544

69-280

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

Redbanded leafroller 1st flight peak

180-455

65-221

Rose leafhopper nymphs on multiflora rose

188-402

68-208

Spotted tentiform leafminer 1st oviposition

141-319

48-154

Tarnished plant bug adults active

71-536

34-299

McIntosh at bloom

310-544

130-275

Peach at petal fall

257-466

131-252

Pear at bloom

242-446

117-225

Plum at petal fall

277-466

113-252

Sweet cherry at petal fall

257-448

131-251

Tart cherry at bloom

257-448

131-251

Phenologies

(Geneva): Apple (McIntosh):

Early Pink

Apple (Red Delicious):

Tight Cluster/Early Pink

Pear (Bartlett):

Early White Bud

Tart Cherry (Montmorency):

White Bud

Sweet Cherry:

Bloom

Peach:

Early Bloom

Plum:

Bloom

(Highland): Apple (McIntosh):

80% Bloom

Pear (Bartlett):

80% Bloom

Pear (Bosc):

Full Bloom

Peach:

Petal Fall

Plum (Stanley):

Petal Fall

TRAP CATCHES (Number/trap/day)

Geneva:

4/17

4/20

4/24

5/1

Green Fruitworm

0.1

0.0

0.1

0.0

Redbanded Leafroller

2.9*

7.3

0.1

3.6

Spotted Tentiform Leafminer

150*

399

0.0

265

Highland (Dick Straub, Peter Jentsch):

4/10

4/17

4/24

5/1

Green Fruitworm

0.0

0.0

0.1

0.0

Redbanded Leafroller

4.7

8.1

11.2

5.9

Spotted Tentiform Leafminer

2.4

22.9

20.1

9.9

Oriental Fruit Moth

-

-

-

0.0

Codling Moth

-

-

-

0.0

Pear Psylla (eggs/50 clusters)

-

12.0

51.0

18.0

Pear Psylla nymphs/50 clusters

1.0*

1.0

3.0

0.0

* = 1st catch

       

 

> 5.1 Diseases