TAg News | By TriEst Ag.

Potato School On Demand

The 3rd annual TriCal Group Potato School was a success! We hope you were able to attend the live event that happened on Tuesday, December 13th and interact with our amazing lineup of speakers. If you weren’t able to attend or would like to revisit some of the great content from the school you can now. We have all of the presentations on video available for viewing ON DEMAND today.

Go to https://strikefumigants.com/potato-school-on-demand/ today and sign-up to view them.

PRESENTATIONS AVAILABLE:

Dr. Gary Secor
North Dakota State University Professor Plant Pathology Department:
AN OVERVIEW OF SOIL BORNE DISEASES IN POTATOES, WITH A FOCUS ON THE DETRIMENTAL EFFECT OF FUSARIUM AND RHIZOCTONIA

Dr. Steve Culman
Washington State University’s Soil Health Endowed Chair:
HOW TO OPTIMIZE CROP SUSTAINABILITY AND REGENERATIVE AGRICULTURAL PRACTICES IN POTATO SYSTEMS

Dr. Chad Hutchinson
TriCal Group Global Director Potato Research and Market Support:
FUNCTIONAL SUSTAINABILITY: USING THE STRIKE SYSTEM TO REACH BOTH YOUR FINANCIAL AND REGENERATIVE AGRICULTURE GOALS

Grower Panel
Josh Dreise, Fair Valley Produce – Fresh Market Potatoes
Nathan McClain, Floydd Farms – Processing Potatoes

Dr. Randy Huckaba
Teleos Ag Solutions Director of Product R&D:
TELONE® FLEXIBILITY IN POTATO PRODUCTION

Jonathan Vink
Sales And Service at Douglas Agricultural Services Inc.:
THE STRIKE SYSTEM – HOW TO GET STRIKE IN THE GROUND: EQUIPMENT, SOIL PREPARATION, AND NUTS & BOLTS OF SOIL FUMIGATION LOGISTICS

Tree & Vine School Re-Cap

The first annual TriCal Group Tree and Vine School was a success. If you were able to attend the day of the event, Thursday – November 10th, we thank you! If you weren’t able to attend, then you can still check out all of the great speaker presentations.

The presentations are available on demand now. Go to https://triclorfumigants.com/tree-vine-school-on-demand/ and sign-up to view them today.

Presentations available:

Dr. Greg Browne, Research Plant Pathologist, University of California, Davis:

AN OVERVIEW OF THE CAUSES AND PRACTICAL CONTROL MEASURES FOR PRUNUS REPLANT DISEASE (PRD), THAT CAUSES STUNTING AND REPLANT FAILURE IN ALMOND, PEACH, AND OTHER SPECIES OF PRUNUS

Dr. Kristi Sanchez, TriCal Diagnostics Senior Researcher and Nematologist:

A DIVE INTO THE TOP 3 MOST HARMFUL PLANT-PARASITIC NEMATODES NEGATIVELY IMPACTING ORCHARDS AND VINEYARDS, RESULTING IN REDUCED PLANT VIGOR AND CROP YIELD

BiomeMakers:

ANALYZING THE IMPACTS OF CHLOROPICRIN ON SOIL MICROBIOLOGY IN AGRICULTURAL DECISION-MAKING TO OPTIMIZE FARMING PRACTICES

Dr. Kristi Sanchez, TriCal Diagnostics Senior Researcher and Nematologist:

LEVERAGING DIAGNOSTICS AND SOIL FUMIGATION AS CORNERSTONES OF SUCCESSFUL ORCHARD AND VINEYARD INTEGRATED PEST MANAGEMENT PROGRAMS; SHOWCASING A GRAPE TRIAL, A CITRUS TRIAL AND A WALNUT REPLANT TRIAL

Shawn Fields, TriCal Inc., Sales Manager/Perry Fuller, TriEst Ag Sales Manager/Robert Rauert, Trident Ag Sales Manager:

MAKING THE MOST OF YOUR ORCHARD OR VINEYARD SOIL FUMIGATION: SOIL PREPARATION, EQUIPMENT, APPLICATION METHODS AND RATES

Robert Rauert, Trident Ag Sales Manager:

FEATURING THE WORK OF TIM SMITH, WASHINGTON STATE UNIVERSITY EXTENSION SPECIALIST, THIS TALK WILL EXPLAIN HOW SOIL FUMIGATION CAN POSITIVELY CHANGE A FARM’S ECONOMICS

Potato School Coming December 13

Register Now for: POTATO SCHOOL
Tuesday, December 13, Register online:
Potato School – Eventbrite

It is FREE and will be a VIRTUAL ONLINE EVENT.
Come join us for a robust day of learning and discussion. We have an excellent line-up of speakers planned.

Who you will hear and what you will learn:

  • Dr. Steve Culman

    Washington State University’s Soil Health Endowed Chair:
    HOW TO OPTIMIZE CROP SUSTAINABILITY AND REGENERATIVE AGRICULTURAL PRACTICES IN POTATO SYSTEMS

  • Dr. Gary Secor

    North Dakota State University Professor Plant Pathology Department:
    AN OVERVIEW OF SOIL BORNE DISEASES IN POTATOES, WITH A FOCUS ON THE DETRIMENTAL IMPACT AND MANAGEMENT OF FUSARIUM AND RHIZOCTONIA

  • Dr. Chad Hutchinson

    TriCal Group Global Director Potato Research and Market Support:
    FUNCTIONAL SUSTAINABILITY: USING THE STRIKE SYSTEM TO REACH BOTH YOUR FINANCIAL AND REGENERATIVE AGRICULTURE GOALS

  • Grower Panel
  • Dr. Randy Huckaba

    Teleos Ag Solutions Director of Product R&D:
    TELONE® FLEXIBILITY IN POTATO PRODUCTION

  • Jonathan Vink

    Sales And Service at Douglas Agricultural Services Inc.:
    THE STRIKE SYSTEM – HOW TO GET STRIKE IN THE GROUND: EQUIPMENT, SOIL PREPARATION, AND NUTS & BOLTS OF SOIL FUMIGATION LOGISTICS

*Additional Speakers To Be Added!
CEU Credits have been be applied for and will be offered.

Part II: A Deeper Look into Grafted Watermelon Production and Management

Harvested Watermelons

In our last blog post we took a deeper look into grafted watermelon production and management by reviewing a 2020 watermelon trial in central North Carolina. In this post we want take you through year 2 results and our findings. The key focus points of the trial were increasing yields and maturity window of grafted plants using chloropicrin.

Trial details for background

  • The trial was on watermelons grown on plasticulture using TIF film since we found the best results the year prior with using that.
  • We made shank applied fumigant application using a Reddick Equipment Company RMC plastic layer 25 days prior to planting.
  • The grower had watermelons on this particular piece of land on a 3 year rotation with sweet corn, small grain, and tomatoes.
  • The land had heavy root knot nematode pressure and low fusarium wilt pressure so the Carolina Strong Back rootstock was used for the grafted watermelon plants.
  • The trial was planted on 8’ row centers x 3’ standard plant spacing (1,815 plants/acre) and 8’ row centers x 4’ grafted plant spacing (1,316 plants/acre).
  • We used 25% pollinators in-row between every 3rd and 4th seedless plant.

Harvest Events

  • The trial fields allowed for 3 harvest events.
    • June 30 (74 DAP)
    • July 12 (88 DAP)
    • July 26 (102 DAP)
  • The Joyride melon used is an 86 day melon.
  • The grafted maturity is the same as the standard Joyride plant maturity, but heavier yields were shifted 5-7 days.
  • We saw a strong yield response to the fumigant applications and vine health remained great all the way through final harvest on July 26th.

In summary, we saw results similar to our findings in 2020.

  • Chloropicrin is increasing yields in both non-grafted and grafted plant production systems
  • Fertility changes and addition of chloropicrin are speeding up grafted plant maturity
  • First harvest of grafted is approximately half of non-grafted, but the second harvest of grafted is much heavier
  • Longer harvest windows are possible with grafted plants, due to increased plant growth and durability to harvests
  • No significant differences were seen in size profiles or sugar content/brix between treatments

We saw comparable results in 4 different trials of similar design across North Carolina, Georgia and Florida in 2022. Some key findings:

Standard plant yields are increasing use of chloropicrin

  • North Carolina – 34% increase
    • Florida – 16% and 15% increase
    • Georgia – 20% increase

Grafted plant yields are increasing with the use of chloropicrin and specific fertility protocols

  • North Carolina – 22% increase
    • Florida – 12% and 23% increase
    • Georgia – 14% increase

Combining grafted plants and fumigation with chloropicrin is providing dramatic yield increases over grower standard practice yields in all trial areas

  • North Carolina – 70% increase
    • Florida – 28% and 44% increase
    • Georgia – 28% increase

To learn more please contact our very knowledgeable team at TriEst and be sure to sign up for the next installation of the TriEst Ag News series.

A Deeper Look into Grafted Watermelon Production and Management

In our last blog we went over the obstacles that growers face in watermelon production and their potential solutions. In this blog and video presentation we will take a deeper dive into why we recommend grafted plants and fumigation as potential solutions to obstacles in watermelon production.

Before we get into the first broad study trial we conducted, I would like to focus on grafted plants as a tool and potential solution to grower obstacles.

Some advantages in grafted plants and differences over standard are:

  • Improved root system, increased vigor, better plant and vine health.
  • Disease resistance. (Fusarium, all races)
  • Nematode resistance. (Rootstock dependent)
  • Reduced crop rotation due to better disease resistance.
  • Prolonged harvest potential and higher yield potential.

A common question about grafted plants is about which rootstock is best for a farm. Rootstocks that Tri-Hishtil offers are the Interspecific Hybrid Squash and the Carolina Strongback. The Interspecific Hybrid Squash is susceptible to Root Knot Nematode while the Carolina Strongback offers resistance.

In a trial we conducted in Central North Carolina we looked at solving some of the problems that growers faced by focusing on grafted plants versus standard, fumigated versus non-fumigated, and standard fertility versus reduced fertility.

At the end of this first trial, we learned that grafted plants with the Carolina Strong Back rootstock had significant yield responses over the standard plants, while also performing better than the squash-based rootstock. We also saw increased yields from fumigation regardless of plant type (grafted or standard) and regardless of plant spacing. Lastly, we discovered that reduced plant populations within 20-30% did not result in yield loss when using grafted plants.

Chart description of end field performance results of non-grafted, squash-root grafted, and Carolina Strong Back on different row spacing.

Lastly, we learned from this trial that early fertility reduction would control vine density and promote earlier flowering in grafted plants; however, fertility decreases after fruit set resulted in yield loss. This information has led to specific fertility programs for grafted plants that increase yields, decrease costs and result in earlier harvests.

The 4 beds marked R have Reduced Fertilizer. The 4 beds marked F have typical fertilizer program.

To learn more please contact our very knowledgeable team at TriEst and be sure to sign up for the next installation of this blog. We’ll be going over more trial data and results from the field!

Overcoming Obstacles in Watermelon Production

Sustainable crop production is a complex issue that every farmer faces each season. All crops present their own challenges and specific needs for maximizing yields and profitability. Let’s focus on discussing a few key impacts for watermelon production in the Southeastern US. The production issues for watermelon are not limited to those listed here by any means, but the following are the focal points of ongoing research that will be discussed over several blog installments in the coming months.

  • Soil borne pests – fusarium wilt, which can be devastating as crop rotations become limited and “new ground” isn’t an option
  • Nematodes – root knot nematode, a widespread issue across the Southeast US
  • Viruses – significant impacts on certain markets and very difficult to control
  • Crop rotation – ability to produce and market crops that aren’t a disease host for watermelon
  • Land availability – decreasing availability in almost all major melon production areas
  • Cultural production system – plasticulture vs bareground under many different styles of irrigation methods (drip, overhead, seep, flood etc)
  • Plant type and variety selection – Use of grafted plants for fusarium wilt control and/or use of tolerant varieties
  • Harvest windows – Watermelon markets are hyper sensitive to timely harvest events by geography. It is critical to understand how production system practices can impact these windows
Fumigated grafted plants (center) and grower standard plants (either side)
20 days after planting – fumigated melons on the left and non-fumigated on the right.

The task for every farmer is to find the balance between these challenges and potential control measures for each, while staying profitable. Solving this problem has to be taken one step at a time and our first step was to identify the products we had available to bring the farming community solutions to these problems. TriEst Ag Group and its affiliates are dedicated to providing soil solutions for the agricultural industry, so let’s take a look at the tools we’ve used to solve this puzzle in watermelon production.

  • Soil fumigation – TriEst has a variety of fumigants and product combinations that can be used for managing a wide range of soil borne pests and nematodes. In addition to managing pests, we have results to indicate that at low rates certain fumigates can be used to improve soil health and increase crop vigor in watermelon crop production. The right product is dependent on the specific pest and disease pressures of an individual farm. In our research we have used multiple products and we will discuss the pros and cons of each in this series.
  • Grafted plants – Like fumigants, there are several options for rootstocks available for grafted plants. Choosing a rootstock is also specific to the issues faced on an individual farm. The primary focus for grafted plants is fusarium wilt control and increased yields.
  • Cultural practices – There are many different cultural practices that are used in watermelon production. Each different scenario can impact the efficacy of fumigation, grafted plant performance, water availability and fertility. We focus on multiple cultural practices in our research, trying to find the best system possible and understanding how each changes the other products involved.
  • Fertility – Soil fertility and fertilizer use has a major influence on crop production. When looking at an overall system for control, fertility has to be considered. Fertility programs should change when they’re used with fumigation and grafted plants. The cultural system being used impacts timing and rates. Details on this will be outlined as we move forward in the series.

Over the past two years, with crops located all across the Southeast, we have worked to develop effective production systems using these tools. We will bring these results and concepts forward in this watermelon crop series, month to month. Next blog, we will take a deep dive into grafted plant production and the impact of fumigation in that system. Stay tuned!

PUBLISHED IN SPUDSMART: 4 NEW ARTICLES

I’ve been busy writing up some of the great work being done to support farmers with disease suppression, yield increases, and soil health restoration. Read on for more information that we hope will be useful on your farm…

What’s Biting into Your Farm’s Economic and Environmental Sustainability?

In this article, I discuss the hidden yield losses due to a disease like verticillium wilt that directly impact farms’ economic and environmental viability. One of the biggest opportunities to improve sustainability on-farm is through improving marketable yield from every acre. To learn how to maximize your marketable yield per acre, visit: (What’s Biting into Your Farm’s Economic and Environmental Sustainability? (spudsmart.com))

Tackling Early Die Complex

During our Potato School late last year, Dr. Gary Secor (North Dakota State University Plant Pathology Professor), talked about the most costly and frustrating production challenge growers face: early die complex. In this article he explains how it is widely considered the most important yield-limiting disease in processing potatoes, and can cost five to 30 percent of yield. To learn more, including options for management, visit: (Tackling Early Die Complex — a Sneak Peek from Potato School (spudsmart.com))

Can Fumigation and Sustainability Align?

This article recaps the soil health findings from a multi-year soil fumigation trial presented by Ken Frost, associate professor in the department of botany and plant pathology at Oregon State University (OSU). Ken says his goal is to protect and promote productive soil microbial populations. To learn more Dr. Frost, visit: (Potato School Snapshot — Can Fumigation and Sustainability Align? (spudsmart.com))

What Patates Dolbec Learned About Soil Fumigation Could Make You Money

Guest contributor Philippe Parent, Patates Dolbec’s director of quality assurance and agronomy, coordinated an on-farm soil fumigation trial last year that demonstrated chloropicrin’s strong management of scab and rhizoctonia, and as importantly, convinced him that chloropicrin doesn’t sterilize the soil. To read more about why Philippe Parent now puts his trust in Strike, visit: (What Patates Dolbec Learned About Soil Fumigation (spudsmart.com))

See you in the fields.