Archives for August 2018

August 7, 2018

RAREC Vegetable Twilight Meeting and Research Tour

Wednesday, August 22, 2018, 4:00 pm (meet at the shelter near the parking lot)

Rutgers Agricultural Research & Extension Center

121 Northville Rd., Bridgeton, NJ (Upper Deerfield)

Tomato tasting will be at the picnic shelter and the wagon tour will leave at 4:30 pm to visit the trials

Taste the new fresh market tomato breeding lines – Tom Orton, PhD, Specialist in Vegetables

Evaluation of Bell pepper varieties and breeding lines for Bacterial Leaf Spot and Phytophthora Blight Management – Wes Kline, PhD, County Agricultural Agent

Cover crop in watermelon, weed trials in cantaloupe, summer squash and cucumber – Thierry Besancon, PhD, Extension Weed Specialist for Specialty Crops

Basil downy mildew fungicide control trial – Andy Wyenandt, PhD, Specialist in Vegetable Pathology

Basil downy mildew variety trial featuring new Rutgers bred Varieties Devotion DMR, Obsession DMR, and Thunderstruck DMR – Andy Wyenandt, PhD, Specialist in Vegetable Pathology

Basil trial featuring an organic and conventional basil downy mildew control program with new Rutgers DMR lines vs downy mildew susceptible lines. – AJ Noto, Graduate Student, Department of Plant Biology

Basil downy mildew breeding and chilling tolerance trial update – Robert Mattera, Graduate Student, Department of Plant Biology

Sweet Corn demonstrating the differences/effectiveness of Non-Bt, Providence Bt, and Attribute II Bt varieties for resistance to Corn Earn Worm and Fall Army Worm – Joe Ingerson-Mahar, PhD, Vegetable IPM Coordinator

Evaluation of Yacon as a Potential New Specialty Crop for New Jersey Farmers – Rick VanVranken, Rutgers Cooperative Extension of Atlantic County and Peter Nitzsche, Rutgers Cooperative Extension of Morris County

Fresh market tomato breeding lines and tomato tasting – Tom Orton, PhD, Specialist in Vegetables

Pesticide Credits Available                                                                                          Units

10                        Demonstration & Research                                                                  2
1A                       Agricultural Plant                                                                                   10
PRIV                    Private Applicator Exam                                                                         10

Filed Under: Vegetable Crops
August 6, 2018

Potato | Tomato Disease Forecast 8-7-18

Click to View | Download Report 8-7-18

Potato Disease Forecasting Report

We will be tracking DSVs for Late blight development and calculating P-days for initiating the first early blight fungicide application.

The first late blight fungicide application is recommended once 18 DSVs accumulate from green row. Green row typically occurs around the first week in May in southern NJ. An early season application of a protectant fungicide such as mancozeb (Dithane, Manzate, Penncozeb) or Bravo (chlorothalonil) as soon as the field is accessible is suggested. Please be vigilant and keep a lookout for suspect late blight infections on young plants. No late blight has been reported in our region to date.

Remember the threshold for P-days is 300!  Once 300 P-days is reached for your location, early blight fungicide applications should be initiated. Growers who are interested in using this model should choose the location above that is closest in proximity to their farming operation and should regularly check the Cornell NEWA website (http://newa.cornell.edu) where this information is compiled from. Click on Pests Forecasts from the menu, select your weather station, and click on tomato diseases, set accumulation start date, and a table of daily and total DSVs will be generated.

Tomato Disease Forecasting Report

Disease severity values (DSVs) for early blight, septoria leaf spot, and tomato anthracnose development are determined daily based on leaf wetness (due to rainfall, dew) and air temperature.

On a daily basis DSV values can range from 0 to 4 where 0 = no chance for disease development to 4 = high chance for disease development. DSVs are accumulated during the production season.

Fungicide applications are based on an individually determined DSV threshold. The first fungicide application for the control of these three diseases is not warranted until 35 DSVs have accumulated from your transplanting date. After that, growers can base fungicide applications on different DSV thresholds.

Reports generated by Ryan Tirrell

Rutgers, The State University of New Jersey

Filed Under: Disease Forecasting Tagged With: ,
August 3, 2018

Potato | Tomato Disease Forecast 8-4-18

Click to View | Download Report 8-4-18

Potato Disease Forecasting Report

We will be tracking DSVs for Late blight development and calculating P-days for initiating the first early blight fungicide application.

The first late blight fungicide application is recommended once 18 DSVs accumulate from green row. Green row typically occurs around the first week in May in southern NJ. An early season application of a protectant fungicide such as mancozeb (Dithane, Manzate, Penncozeb) or Bravo (chlorothalonil) as soon as the field is accessible is suggested. Please be vigilant and keep a lookout for suspect late blight infections on young plants. No late blight has been reported in our region to date.

Remember the threshold for P-days is 300!  Once 300 P-days is reached for your location, early blight fungicide applications should be initiated. Growers who are interested in using this model should choose the location above that is closest in proximity to their farming operation and should regularly check the Cornell NEWA website (http://newa.cornell.edu) where this information is compiled from. Click on Pests Forecasts from the menu, select your weather station, and click on tomato diseases, set accumulation start date, and a table of daily and total DSVs will be generated.

Tomato Disease Forecasting Report

Disease severity values (DSVs) for early blight, septoria leaf spot, and tomato anthracnose development are determined daily based on leaf wetness (due to rainfall, dew) and air temperature.

On a daily basis DSV values can range from 0 to 4 where 0 = no chance for disease development to 4 = high chance for disease development. DSVs are accumulated during the production season.

Fungicide applications are based on an individually determined DSV threshold. The first fungicide application for the control of these three diseases is not warranted until 35 DSVs have accumulated from your transplanting date. After that, growers can base fungicide applications on different DSV thresholds.

Reports generated by Ryan Tirrell

Rutgers, The State University of New Jersey

Filed Under: Disease Forecasting Tagged With: ,
August 3, 2018

Vegetable Disease Update – 8/3/18

  • Cucurbit downy mildew has been confirmed on cucumber, butternut squash, and pumpkin in NJ this growing season. Recent weather has been ideal for its development. All cucurbit growers should scout their fields on a regular basis and consider adding a downy mildew specific fungicide to their weekly maintenance sprays. CDM has been reported in cantaloupe in MD this past week, and in acorn, summer squash, watermelon and butternut squash as far north as North Carolina to date.
  • The 2018 FRAC Table for Cucurbit Downy and Powdery Mildew Control in the mid-Atlantic Region can be found and downloaded for FREE here.
  • There have been no new reports of late blight in the region.
  • Basil downy mildew is being reported. Recent weather has been ideal for its development. For more information on Rutgers newly-released DMR sweet basils Obsession, Devotion, and Thunderstruck please click here.
  • Bacterial leaf spot and Phytophthora blight have been reported in pepper and cucurbit crops.
  • Wind damage has been reported in eggplant, pepper, and cucurbit crops.
Filed Under: Vegetable Crops
August 2, 2018

Summer Farm Market Tour Aug 29

In association with Rutgers Cooperative Extension, the NJFDMA (that’s the New Jersey Farmers’ Direct Marketing Association) would like to invite farm marketers to join them for their late summer farm market tour on August 29, 2018.

Tentative schedule:

1:00pm: Pick up at the Rutgers Cooperative Extension of Atlantic County building in Mays Landing
2:15pm: Pick up at the Burlington Special Services School by the Burlington Cooperative Extension office in Westhampton
3:45- 4:45pm: Tour & wine tasting at Beneduce Vineyards, Pittstown
5:30- 6:30pm: Tour of Bobolink Dairy & Bakehouse, Milford
7:30- 8:45pm: Tour and dinner at Melick’s Town Farm, Oldwick
10:15pm: Drop-off at the Burlington Special Services School by Burlington Cooperative Extension office in Westhampton
11:30pm: Drop-off at the Rutgers Cooperative Extension of Atlantic County building in Mays Landing

This event is free for NJFDMA members.

Non-members, please send a check for $50, which includes 2018 NJFDMA membership, payable to ‘NJFDMA’ to the this address:

RCE of Middlesex County Extension
C/O NJFDMA
42 Riva Rd., Davidson Mill Pond Park
North Brunswick, NJ 08902

Please register online by August 7th, 2018 by clicking here to reserve your place.

Questions? Email njfarmersdirectmarketingassoc@gmail.com

Filed Under: Commercial Ag Updates, Fruit, Vegetable Crops
August 1, 2018

Fruit IPM For 08/02/18

Peach:

Oriental Fruit Moth (OFM): Third flight adults are present and trap counts are low on most farms, except in isolated areas in northern counties. The timing for 3rd generation treatments is done in southern counties, but ongoing in northern counties. Please see table below for timing: [Read more…]

Filed Under: Blueberry, Fruit, Tree Fruit, Wine Grape