Rutgers Cooperative Extension
Seasonal updates on diseases, insects, weeds impacting small fruit (blueberry, cranberry, and wine grape). Fruit Pest Alerts are also available via this category feed.
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Blueberry:
Spotted Wing Drosophila (SWD): Adult trap captures have remained close to the averages seen the previous week, but maximum trap captures increased in Atlantic County to 30 males per trap on 1 farm. Weekly applications are still required on both Duke and Bluecrop. The same type of program should also include late varieties like Elliott. No infested harvested fruit have been found on any commercial farms as of this date.
Grape:
Grape Berry Moth (GBM): The timing for second generation treatments in Gloucester County and surrounding areas will be on 6/21 to 6/22. Grape berry moth is the most common insect in NJ vineyards that will directly damage the fruit (See Figure 1.) This timing is for the use of Intrepid, Altacor, and Delegate. If you are using other products like Danitol, Baythroid, Brigade, or Imidan, then you can make the application a few days later. This timing is calculated for 810 degree days (base 47) after wild grape bloom, which was May 16.
Blueberry:
General Insect Control and New and Renewed Labels: Late last week we obtained the Section 24C renewal for the high rate of Gowan Malathion 8F. The specifics of the label renewal are as follows: [Read more…]
Peach:
Tufted Apple Budmoth (TABM): The second TABM flight is well underway. Adults started to emerge in northern counties on 5/16 and in southern counties on 5/1. Although this has been a minor pest, this might be changing. Trap counts in northern counties are historically high, and indicate higher than normal populations. Timings are outlined below for anyone who had high populations last year.
|
Conventional, Diamides |
Conventional, Diamides |
Intrepid, Rimon | Bt | |
| County Area | AM | EM | EM | EM |
| Southern | 3rd-6/11-12; 4th 6/15-16 | 6/12-15 | 6/12-15 | 6/12-15 |
| Northern | 1st-6/10-13; 2nd 6/18-19 | 6/14-16 | 6/13-19 | 6/16-18 |
Peach:
Tufted Apple Budmoth (TABM): The first of 2 flights of tufted apple budmoth have started. Adults started to emerge in northern counties on 5/16 and in southern counties on 5/1. Although this has been a minor pest, timings are outlined below for anyone who had high populations last year.
|
Conventional, Diamides |
Conventional, Diamides |
Intrepid, Rimon | Bt | |
| County Area | AM | EM | EM | EM |
| Southern | 1st-past; 2nd-6/3-6/5 | 5/31-6/3 | 5/30-6/5 | 6/3-6/5 |
| Northern | 1st-6/9-6/11 | 6/12-6/15 | 6/11-6/26 | 6/15-6/25 |
Tufted Apple Budmoth (TABM): The first of 2 flights of tufted apple budmoth have started. Adults started to emerge in northern counties on 5/16 and in southern counties on 5/1. Although this has been a minor pest, timings are outlined below for anyone who had high populations last year. [Read more…]
