Rutgers Cooperative Extension
Peach:
Oriental Fruit Moth: First generation timings are updated below:
| OFM 1st Generation Timing | |||
| Insecticide Type | |||
| County/Region | Degree Days by 4/23 base 45 | Conventional
170-200, 350-375 |
Diamide
100-150, 300-350 |
| Gloucester – Southern | 254 | 1st – 4/18-20
2nd – 4/29-5/1 |
1st – past
2nd – 4/25-4/29 |
| Hunterdon – Northern | 186 | 1st – 4/28-5/2
2nd – 5/8-5/12 |
1st – 4/23-4/26
2nd 5/3-5/7 |
Peach:
Brown Rot: Blossom infections from the brown rot fungus can occur whenever pistils are exposed and a favorable climate exists. Infections can occur during any wetting period when temperatures are between 41 and 86 °F. However, optimum conditions for infection occur with wetting and temperatures in the mid 70’s. [Read more…]
Peach:
Brown Rot: Blossom infections from the brown rot fungus can occur whenever pistils are exposed and a favorable climate exists. Infections can occur during any wetting period when temperatures are between 41 and 86 °F. However, optimum conditions for infection occur with wetting and temperatures in the mid 70’s. [Read more…]
Codling Moth (CM): The first codling moth flight has started. A biofix was set for CM on May 5th in southern counties. *NEW* A biofix for northern counties was set on May 9. Timings are updated as follows.
| Codling Moth Degree Day Timing | ||||||||
| Application and Insecticide Type | ||||||||
| County Area | Biofix | Rimon:
75-100DD + 14-17 days later
|
Intrepid
150 + 450 DD Diamides – Altacor, Voliam mixes: (150-200 DD) + 14-21 days later |
Cyd-X, Carpovirusine, Madex
Apply starting at 250 DD. Follow label Instructions for repeated applications |
Standard Insecticides – Delegate, Avaunt, OP’s, carbamates, pyrethroids
250 DD + 550 DD
|
|||
| DD | 75 | 100 | 150 | 450 | 250 | 250 | 550 | |
| Southern | May 5 | 5/10 | 5/11 | 5/13 | Too far off | 5/19 | 5/19 | Too far off |
| Northern | May 9 | 5/15 | 5/17 | 5/21 | Too far off | 5/29 | 5/29 | Too far off |
Peach:
Oriental Fruit Moth: First generation timings are updated below:
| OFM 1st Generation Timing | |||
| Insecticide Type | |||
| County/Region | Degree Days by 5/9 base 45 | Conventional
170-200, 350-375 |
Diamide
100-150, 300-350 |
| Gloucester – Southern | 230 | 1st – past
2nd – 5/13-14 |
1st – past
2nd – 5/11-13 |
| Hunterdon – Northern | 186 | 1st – 5/9-10
2nd – 5/19-20 |
1st – past
2nd 5/17-5/19 |
