Archives for May 2023

May 24, 2023

Get ready for bagworms…NOW

Days old bagworm size

Days-old bagworm = critical management target – T. Waller – RCE

Bagworms should begin hatching NOW through – 4 weeks in NJ, beginning in the southern regions. Now is an optimal time to get this pest on your radar and prepare materials or approaches to attack first/second instar caterpillars. The control window for this pest is typically between 600-900 GDD50  when they begin to hatch and become airborne, i.e. the “ballooning” phase. It is important to check for egg-hatch prior to applications for greatest chemical efficacy, and to continue scouting as they often hatch and develop at asynchronous rates.

It is critical to target these insects EARLY!

Bagworm management – mechanical: If eggs have not hatched: hand-remove sacs/bags. Typically female/egg filled sacs are higher in the canopy so keep that in mind while scouting. This removes the problem from the field or landscape.

Treatment options for Lepidoptera (caterpillars) to have at the ready – containing: B.t. (Bacillus thuringiensis), spinosad , bifenthrin ), cyfluthrin, carbaryl, chlorantraniliprole, cyclaniliprole, cyclaniliprole + flonicamid, Lambda-cyhalothrin, cyantraniliprole, Indoxacarb.  NOTE – Lethal pesticide doses are important, as sub-lethal doses can trigger early pupation, making the pest all but invincible to chemical or biological treatments. Follow label exactly.

IT IS CRITICAL TO ROTATE MATERIALS (Rotate between IRAC groups) 

DISCLAIMER: The label is the law, always refer to it for allowable host crops, use-restrictions, application rates, reapplication intervals, re-entry intervals (REI), and mix compatibility information. Production and pesticide information on this site are for private/commercial pesticide applicators and landscape professionals only, and are NOT for home gardener use. Provided materials represent examples and do not cover all possible control scenarios. Please contact your local agent or chemical sales representative for more information or to discuss additional pest management options.

BAGWORMS (600-900 GDD) (Bagworm hatch prediction as of 5/24/23)
Crop type Common Name Scientific Name GDD Min (50F) GDD Max (95F) Reference Developmental / Target Stage
Conifer mostly, many minor hosts Bagworm Thyridopteryx ephemeraeformis 600 900 RU Larvae (early instars) – ONLY CONTROL WINDOW
Region Location Station Date (600 GDD) Date (900 GDD) *Treatment window  *Bagworm Hatch – Predictions only, SCOUTING is critical! Treat as soon as larvae detected. 
South Upper Deerfield NJ50 31-May 14-Jun 14 days
Central Howell / Freehold NJ10 9-Jun 23-Jun 14 days
North High Point NJ59 15-Jun 2-July 17 days 

Please download and print the Rutgers Nursery and Landscape Pest Scouting Guide  or  Conifer and Christmas Tree Pest Scouting Guide and refer to this post “Obtaining your local growing degree-days (GDD)” for additional information.  (See pest scouting guides for complete list of references – cited within lists below) 

Please SHARE what you SEE!! If you see a pest, disease, otherwise interesting or troublesome issue please report it to the Working Group by following the QR Code on the front of the Pest Scouting Guides or by filling out this reporting form.

Filed Under: Christmas Trees, Landscape, Nursery, & Turf, Nursery, Turf Tagged With: , , , , , , , , , , ,
May 24, 2023 and

United States Department of Agriculture (USDA) Changes to Audit Costs

USDA has just announced that proposed audit fees for the Harmonized and GAP/GHP audits will increase to $155 per hour. The average Harmonized Audit runs anywhere from 12 to 15 hours, GAP/GHP audits average 5 to 10 hours. The current fee is $132 per hour. For anyone who needs an audit try to schedule before October 1, 2023 when the new rates take effect.  For further information or discuss the proposed increases contact:  Melissa Bailey, Associate Administrator, AMS, USDA, Room 2036–S, 1400 Independence Ave. SW, Washington, DC 20250; telephone (202) 205–9356, or email melissa.bailey@usda.gov.

Filed Under: Commercial Ag Updates, Food Safety, Fruit, Vegetable Crops
May 23, 2023

South Jersey Tree Fruit Twilight Meeting – II

May 31st @ 5 – 7 pm
Summit City Orchards: 500 University Blvd. Glassboro, NJ 08028

Pesticide credits applied Category: 1A, PP2, 10 

4:45 pm  Gather at the Parking lot of the Summit City Winery (above address)

5:00 pm Peach Fruit Thinning - Physiology and Methods
Daniel Ward, Extension Specialist, Pomology, Rutgers NJAES.

Demonstration of the Peach Fruit Thinning Using the Machine
Richard Bannister and Eli Bannister, Richard’s Station.

Field Observations from the IPM Program
Dave Schmitt, Fruit IPM Program Associate, Rutgers NJAES

Summer Disease Control Measures in Orchards
Norman Lalancette, Extension Specialist, Tree Fruit Pathology, Rutgers NJAES

7:00 pm  Pesticide re-certification credits application and Adjourn

Light fare will be provided. Please call Joan Medany jmedany@co.gloucester.nj.us or call 856-224-8030 if you are 
planning to attend. If an additional assistance is needed, please contact Hemant Gohil at 856-224-8029 prior to 
the meeting.
Filed Under: Blueberry, Cranberry, Fruit, pesticide credits, Strawberry, Tree Fruit, Vegetable Crops, Wine Grape Tagged With: , , ,
May 17, 2023 and

Tree Fruit IPM Report for May 18. 2023

Peach:

Bacterial Spot: Generally we recommend starting at 0.5 ozs metallic copper and gradually lowering the rate as the season progresses. The rate applied will depend on the formulation. Dr. Lalancette published a chart listing common copper formulations and rates for peach and nectarine applications. Avoid combining copper with captan especially if it has been overcast for several days. Also avoid acidic spray solutions when applying copper. Dr. Lalancette has published a handy guide for copper applications in early covers. Antibiotics such as Mycoshield or Fireline may also be used and may offer slightly more residual activity during long wetting periods. Bacterial Spot leaf symptoms have began appearing in southern county orchard during the week of 5/8. These infections probably occurred mostly during the heavy rains that occurred on 4/30-5/1. Fruit symptoms from this set of infections should begin appearing soon. This week no increase in symptoms was noted.

Oriental Fruit Moth: A biofix point for OFM was set on 4/10 in both northern and southern counties.  All timings for first generation OFM have past. Second generation timings are updated below:

OFM 2nd Generation Timing
Insecticide Type
County/Region Degree Days by  5/17 base 45 Conventional

1450-1500

 Diamide

1300-1400
Gloucester – Southern 496 1st –too far off

2nd – too far off

 1st –too far off

2nd – too far off
Middlesex – Northern 482 1st –too far off

2nd – too far off

 1st –too far off

2nd – too far off

 

Plum Curculio; Tarnished Plant Bugs; and Other Catfacing Insects: Plum Curculio start to move into orchards at about 88-100 degree days base 50 after January 1. Applications for PC should be initiated once all petals are off, with a second application made with ovicidal materials at 379-402 DD. Currently we have accumulated about 425 DD base 50 in southern counties, and 366 DD base 50 in northern counties. Growers can monitor degree day development at their site by finding the nearest weather station and using the degree day development tool at NEWA. Catfacing insects are starting activity, but will become more of an issue as temperatures warm and mowing and other ground cover activities become more common.

Scale Insects: White peach scale crawlers have not yet emerged but usually begin emergence about the third week of May and continue emergence until about the middle of June. San jose scale crawlers typically begin emergence about late May or early June and continue emergence for up to 6 weeks. Control options during crawler emergence include Neonicitiniods (suppression only), and the IGR’s Esteem and Centaur. See the NJ Commercial Tree Fruit Production Guide and the product labels for more information.

Apples and Pears:

Diseases: Now that primary scab is nearing the end, or has ended, the focus turns toward summer diseases such as fruit rots (esp. Bitter rot), and sooty blotch and fly speck. Bitter rot control has been difficult at best in recent years even where management programs have been rigorous. Research has suggested Products such as Merivon, Luna Sensation and Inspire Super may be effective, and longtime reliable broad spectrum fungicides such as captan and ziram should provide control. Experience has suggested that the addition of phosphorous acid products such as Prophyt or Rampart to captan sprays may improve control. Observations are that phosphorous acid products improve control of other summer diseases such as sooty blotch and flyspeck, and may help suppress scab infections where present.

Fire Blight: Infections can still occur post bloom so covers with antibiotics when infection events are forecast using the NEWA fire blight model may be beneficial. Remember to rotate streptomycin and oxytetracycline products. Fire Blight symptoms began appearing in southern county apple and pear orchards the week of 5/1. Typically it is recommended to cut out infected limbs however this is a practical decision that must be made. This blog post from Michigan State may be helpful to decide whether it is worth cutting out infected tissue.

Codling Moth (CM): The first codling moth flight has started. A biofix was set for CM on April 17th in both northern and southern counties. Treatment timings are updated below:

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)

 Cyd-X, Carpovirusine

250 DD + every 7-9 days during brood hatch (later if first spray is an IGR)

 Standard Insecticides –  Delegate, Avaunt, OP’s, carbamates, pyrethroids

250 DD + 550 DD

 
DD 75 100 150 450 250 250 550
Southern April 17 past past past Too far off 5/20 5/20 Too far off
Northern April 17  past  past  past Too far off 5/22 5/22 Too far off

 

Pear:  Second generation pear psylla began hatching about 5/15 in southern counties. Options for control include spynosyn products such as Delegate and Entrust, and the neocitinoids (IRAC group 4A). The addition of 0.25-1 gal of summer oil may improve control. Other options include Movento, and products containing abamectin. Be sure to read and follow the label instructions regarding the addition of penetrants for these products.

Tree Fruit Trap Captures – Southern Counties

STLM TABM-A CM BMSB OFM-A DWB OFM-P TABM-P LPTB PTB
4/15/2023 433 20 1
4/23/2023 423 1 13 8 4
4/30/2023 417 7 15 4 1 0
5/06/2023 9 2 3 1 0 0
5/13/2023 18 2 7 2 3 0 6 6

Tree Fruit Trap Captures – Northern Counties

STLM TABM-A CM BMSB OFM-A DWB OFM-P TABM-P LPTB PTB
4/8/2023 10
4/15/2023 20 3
4/30/2023 28 11 6
5/06/2023 22 2 19 9
5/13/2023 34 1 3 2 5 0

Phenology Table: Based on annual observations made in Gloucester County.

Pest Event or Growth Stage Approximate Date 2023 Observed Date
 Bud Swell (Redhaven)  March 23 +/- 15 Days March 7
1/4″ Green Tip Red Delicious March 31 +/- 13 Days March 27
Pink Peach (Redhaven) April 4 +/- 15 Days March 24
Tight Cluster Red Delicious April 9 +/- 13 Days April 7
Full Bloom Peach (Redhaven) April 9 +/- 14 Days April 4
Pink Apple (Red Delicious) April 14 +/- 12 Days April 11
Full Bloom Apple (Red Delicious) April 22 +/- 11 Days April 16
Petal Fall (Redhaven) April 22 +/- 10 Days April 15
Petal Fall (Red Delicious) April 27 +/- 13 Days  May 3
Shuck Split (Redhaven) April 30 +/- 11 Days April 21
Pit Hardening June 15 +/- 9 Days

 

 

 

Filed Under: Tree Fruit Tagged With: , , , ,
May 17, 2023

Fruit and Vegetable Grower Feedback Needed on Produce Safety Costs, Needs, and Barriers

Time is running out to give feedback. We would like to ensure that there is good representation from all types of growers across the country so please share this announcement across your grower networks. Below is a table summarizing response numbers by state so you can see how your state is represented.

 

The Produce Safety Alliance (PSA) Team and personnel from the Northeast Center to Advance Food Safety (NECAFS) at the University of Vermont would like to understand the costs and the barriers of beginning or expanding food safety practices on farms and in packinghouses to make educational materials more relevant to fruit and vegetable growers and packers. To do this, we have developed a survey to collect food safety information from fruit and vegetable growers across the country.

What are the Goals of this Survey?

To understand:

·        what steps growers have taken toward adopting food safety practices on their farm,

·        the costs of adopting food safety practices (both one-time and reoccurring), and

·        where growers have questions about food safety.

Why Should You Participate?

The detailed information that is provided will allow future educational materials to be tailored to specific challenges that growers are facing.

Who Should Participate?

We are looking for feedback from people involved in fruit and vegetable production and packing, including those who have and who have not adopted food safety practices. This survey should be completed by someone who has knowledge about the operation’s produce safety practices (e.g., equipment, finances, supplies, training, market distribution, third-party audits).

Participation is voluntary and anonymous. It will take 10 – 30 minutes to complete the survey, depending on the farms’ food safety practices.

By completing this survey, you can choose to be entered into a raffle to win a $75 prepaid credit card. Ten participants will randomly be selected to win. The raffle will be held when the survey closes, approximately June 1st. If selected, you will be contacted to confirm your mailing address and acknowledge acceptance of the $75 prepaid credit card.

Direct link to the English-language survey: https://qualtrics.uvm.edu/jfe/form/SV_agW9o6VWOUCivCC

Direct link to the Spanish-language survey: https://qualtrics.uvm.edu/jfe/form/SV_agW9o6VWOUCivCC?Q_Language=ES
Filed Under: Commercial Ag Updates, Food Safety, Fruit, Vegetable Crops
May 17, 2023

Application for Cost-Share Grant Funding for Installation of Deer Fencing on UNPRESERVED Farmland – Out NOW

“The NJDA Deer Fencing Program makes cost-sharing funding available for the installation of deer fencing on unpreserved farms. The program is conducted in accordance with N.J.S.A 4:40-6.1.”

Please click here for the full application, eligibility, and other important information

Timing is important if considering this program. NJDA began accepting applications on 5/15/23.

 

Filed Under: Blueberry, Christmas Trees, Commercial Ag Updates, Cranberry, Disease Forecasting, Field, Forage & Livestock, Food Safety, Fruit, Landscape, Nursery, & Turf, Nursery, Organic Production, pesticide credits, Plant Diagnostic Lab, Strawberry, Tree Fruit, Turf, Uncategorized, Vegetable Crops, Wine Grape Tagged With: , , , ,