|
Rhode Island Apple IPM
1998 - Current Pest Report - European Apple Sawfly
Tree stage:
3/28/98 - green tip
4/1/98 - half inch green
4/14/98 - tight cluster
4/21/98 - loose cluster
4/29/98 - early bloom
5/4/98 - nearly petal fall
European apple sawfly trap captures
Average number of adult European apple sawfly adults caught on white
sticky traps in each monitored block. Averages are cummulative.
**Threshold = 9/trap of no prebloom insecticide; 5/ trap if applied prebloom
insecticide**
| orchard |
4/20/98 |
4/27/98 |
5/4/98 |
5/11/98 |
| Steere |
0/trap |
0/trap |
42/trap |
|
| Piti |
.6/trap |
.6/trap |
48/trap |
|
| Jaswell |
0/trap |
|
25/trap |
|
| Smith |
0/trap |
0/trap |
22/trap |
|
| Phantom |
.3/trap |
2/trap |
54/trap |
|
| Hill |
0/trap |
.25/trap |
|
|
| Dermksian |
0/trap |
0/trap |
17/trap |
|
| Lamore |
0/trap |
|
52/trap |
|
| East Farm |
|
2.3/trap |
30/trap |
|
|