Research Reports

2025

RR25-01: Second-Year Trials of Arkon™ (pyrimisulfan) for Annual Sedge and Nutsedge Control in Bareroot Pine Seedling Beds
RR25-02: Evaluating Postiva® and Miravis®Neo for Fusiform Rust Control in Bareroot Loblolly and Slash Pine Seedlings
RR25-03: A Trial of Isoxaben in Containerized Seedlings for Control of Carpetweed and Other Broadleaf Weeds

2024

RR24-01: A Third Year of Vexis® (Pyrimisulfan) Trials for Nutsedge Control in Bareroot Pine Seedling Beds
RR24-02: Arkon™ (Pyrimisulfan) Trials for Nutsedge Control in Bareroot Pine Seedling Beds
RR24-03: Vexis® (Pyrimisulfan) Trials for Nutsedge Control in Bareroot Hardwood Seedling Beds

2023

RR23-01 The Use of Chlorophyll Fluorescence to Assess Freeze Injury in Containerized Loblolly Pine Seedlings
RR23-02 In vitro Sensitivity of Fusarium circinatum and Rhizoctonia spp. to Fungicides Tested for Control of Fusiform Rust
RR23-03 Trials Assessing the Efficacy of a New Fungicide for the Control of Fusiform Rust Over Three Years (2020-2022)
RR23-04 Nursery Trial Assessing the Impact of Fungicide Application on Mychorrizal Colonization of Loblolly and Slash Pine
RR23-05 Pyrimisulfan Trials for Nutsedge Control in Bareroot Loblolly and Slash Pine Seedling Beds: A Second Year of Study
RR23-06 A Second Trial of Oxadiazon in Over-the-Top Applications on Containerized Longleaf Pine (Pinus palustris) Seedlings
RR23-07 Effects of Three Applications of a Non-Fumigant Nematicide (Fluopyram) on Nematode Control and on Loblolly and Slash Pine Seedling Characteristics: Third SFNMC Trial

2022

RR22-01 The Effect of Modifications to Sowing Procedures on the Growth and Development of Loblolly Pine Seedlings
RR22-02 A Second Trial to Determine the Effect of Multiple Applications of a Non-Fumigant Nematicide (Fluopyram) on Nematode Control and Loblolly Pine Seedling Characteristics
RR22-03 The Efficacy of Pyrimisulfan on Nutsedge Control and the Tolerance of Loblolly and Slash Pine in Bareroot Seedling Beds
RR22-04 Use of Oxadiazon in Over-the-Top Applications in Containerized Pine Growing Systems
RR22-05 Efficacy of Wet and Dry Heat Treatments for Disinfection of Loblolly and Longleaf Pine Seed

2021

RR21-01 Nursery Trials Assessing the Efficacy of Two New Synthetic Fungicides for the Control of Fusiform Rust Over Two Years of Seedling Production (2019 and 2020)
RR21-02 Tolerance of 13 Hardwood Species to At-sowing Applications of Flumioxazin
RR21-03 Rapid Determination of Freeze Damage to Loblolly Pin Seedlings
RR21-04 Impacts of Planting Drought Hardened Loblolly Pine Seedlings Under Various Drought Conditions
RR21-05 The Effect of Multiple Applications of Fluopyram (Broadform) on Nematode Control and Loblolly Pine Seedling Characteristics
RR21-06 Supplementary Trials of Three Postemergent Herbicides in Loblolly and Slash Pine Seedling Beds
RR21-07 Evaluation of Five Methyl Bromide Alternatives on Seedling Production and Quality Over Two Growing Seasons at the Rayonier Tree Nursery in Elberta, Alabama 2016-2018
RR21-08 Evaluation of Five Methyl Bromide Alternatives on Seedling Production and Quality Over Two Growing Seasons at the Weyerhaeuser Magnolia Nursery, Arkansas 2019-2020

2020

RR20-01 Lifting Dates, Chilling Hours and Storage Duration on Root Growth Potential (RGP), Growth, and Survival
RR20-02 Application of Ronstar®Flo (oxadiazon) for Willow Control in Containerized Growing Systems: A Summary of Three Years of Trials
RR20-03 Post-emergent Herbicide Screenings on Bareroot Pine Seedbeds: A Summary of Multiple Product Trials 2016-2019
RR20-04 Results from the 2019 Fusiform Rust Greenhouse Trial, Testing the Efficacy of Two Potential New Synthetic Fungicides
RR20-05 Results from the 2020 Furisform Rust Greenhouse Trial, Testing the Efficacy of Two Potential New Synthetic Fungicides

2019

RR19-01 Results from the 2018 fusiform rust trial, testing the efficacy of potential new synthetic and biological fungicides
RR19-02 Copper trials on loblolly pine seedbeds
RR19-03 Micronutrient use on loblolly pine seedbeds
RR19-04 Postemergent herbicide screening trials on loblolly and slash pine seedbeds II
RR19-05 Ronstar®Flo (oxadiazon) on loblolly and longleaf pine in a container-grown nursery
RR19-06 Soil stabilizer trials on loblolly pine seedbeds
RR19-07 Essential Plus 1-0-1 greenhouse trials

2018

RR18-01 Ronstar®Flo (oxadiazon) on loblolly, longleaf, shortleaf and slash pine in container-grown and bareroot nurseries
RR18-02 Black willow and weed control using Pendulum® Aquacap (pendimethalin) on loblolly, longleaf, shortleaf and slash pine in container-grown and bareroot nurseries
RR18-03 Over-the-top applications of Marengo® on bareroot eastern redcedar (Juniperus virginiana)
RR18-04 Postemergent herbicide screening trials on loblolly and slash pine seedbeds
RR18-05 Testing fungicides for the control of fusiform rust
RR18-06 Testing alternative fipronil products for the protection of seedlings against pine tip moth

2017

RR17-01 Effect of Rate of Over-The-Top Applications of Marengo® (Indaziflam) on Seedling Tolerance and Control of Black Willow and Other Weeds in Container-Grown Pine Seedlings
RR17-02 Herbicide Trials with Florasulam, Penoxsulam, Trifloxysulfuron and Sulfentrazone in Loblolly and Slash Pine Seedbeds
RR17-03 Pendulum® Aquacap (Pendimethalin) Applications on Tolerance of Container-Grown Loblolly, Longleaf, Shortleaf and Slash Pine and on Black Willow and Weed Populations in Containerized Growing Systems

2016

RR16-01 Herbicide tolerance of native plant seedlings in nursery production systems
RR16-02 Weed control and herbicide tolerance of established seed production areas of native plant species
RR16-03 Pendulum® Aquacap (pendimethalin) applications on weed and willow control and tolerance to bareroot and container-grown loblolly and slash pine and buttonbush
RR16-04 Effect of rate of over-the-top applications of Marengo® (indaziflam) on weed control and tolerance in bareroot and container-grown pine seedlings and of timing of directed spray Marengo® (indaziflam) applications on weed control and tolerance in pin oak
RR16-05 Effect of soil types and temperature of Pendulum® Aquacap applications on gall formation in container-grown loblolly pine seedlings
RR16-06 Seedling quality and root architecture of loblolly and longleaf pine container seedlings

2015

RR15-01 Effect of timing and rate of Marengo® (indaziflam) applications on weed control and tolerance to loblolly, longleaf, slash and shortleaf pine seedlings grown in containers
RR15-02 A modified method for calculating a partial soil water retention curve to help in irrigation during the growing season
RR15-03 Evaluation of Sumagrow as a biological soil amemdment/inoculant for the production of loblolly and slash pine
RR15-04 Effect of Terracyte®Pro and Ecotec® applications on moss control and tolerance to container-grown frasier fir seedlings
RR15-05 The use of seed polymers and seed colorants as seed treatments for southern pines

2014

RR14-01 Operational application of Pendulum® Aquacap (PAC) tank mixed with Goal® at the time of sowing reduces prostrate spurge without the formation of herbicide galls
RR14-02 Effect of PAC-induced herbicide galls on seedling growth and survival 12 months after outplanting
RR14-03 Effect of timing of PAC applications 8, 12, and 16 weeks after sowing on herbicide-induced gall formation and seedling growth
RR14-04 Effect of timing and rate of Marengo® (indaziflam) applications on weed control and loblolly pine seedling characteristics at the ArborGen SuperTree Nursery in Shellman, GA
RR14-05 Effect of imazamox (Raptor® and Clearcast®) application at the time of sowing on 4 hardwood seedling species at the Chatsworth Nursery in GA and the East Tennessee Nursery
RR14-06 Effect of Ronstar® Flo, alone and in tank mixes with Pendulum® Aquacap and Goal® 2xl at the time of sowing on the production of loblolly pine and weed control in five different nurseries

2013

RR13-01 Evaluation of methyl bromide alternatives on loblolly pine production and seedling quality over three growing seasons at the Pine Hill Nursery in Camden, Alabama
RR13-02 Evaluation of plastic, reduced rates and low impact application methods on loblolly pine production and seedling quality over three growing seasons
RR13-03 The effect of hardwood seed size, species and nursery soils on the formation of stem galls and seedling tolerance to applications of Pendulum® Aquacap
RR13-04 Annual sedge (Cyperus compressus) control in loblolly pine
RR13-05 Controlling morning glory (Ipomoea sp.) in hardwoods using pre and post-emergence herbicides at the East Tennessee and Native Forest Nurseries

2012

RR12-01 Screening of Pendulum® Aquacap and Tower® herbicides on pine seedbeds
RR12-02 Foliar nutrient survey of loblolly and longleaf pine seedlings
RR12-03 Hardwood seedling tolerance to Pendulum® Aquacap applications
RR12-04 Nursery lifter operation affects root growth potential of pine seedlings
RR12-05 Effects on herbicide gall formation and survival from applications of undiluted Pendulum® Aquacap to loblolly pine seedlings
RR12-06 Control of rhizoctonia foliar blight in forest seedling nurseries: a 3-year study

2011

RR11-01 Effect of methyl bromide alternatives on loblolly pine seedling quality at the Joshua Timberlands forest tree nursery in Elberta, Alabama: 2009-2010
RR11-02 Evaluation of methyl bromide alternatives using a low disturbance fumigation rig in the production of loblolly pine seedlings in a Georgia forest tree nursery
RR11-03 Response of loblolly and slash pine to humic, fulvic acids and biological stimulants
RR11-04 Pitch canker ratings of longleaf pine clones correlate with fusarium circinatum infestation of seeds and seedling mortality in containers
RR11-05 Pine bark mulch increases seed efficiency of loblolly pine in a pendimethalin trial

2010

RR10-01 Management of phytophthora root rot of chestnut (castenea spp) in forest nurseries
RR10-02 The efficacy of commercial bird repellents to deter seed predation
RR10-03 Herbicide trials with rimsulfuron and dimethenamid in loblolly pine seedbeds
RR10-04 Tolerance of loblolly pine and slash pine seedlings to pendimethalin
RR10-05 Top-clipping of longleaf pine more important than adequate rgp?
RR10-06 Effect of genetics on survival Of loblolly pine seedlings
RR10-07 Effect of methyl bromide alternatives on seedling quality at the South Carolina Forestry Commission Taylor Forest Tree Nursery 2008 – 2009
RR10-08 Particle size of hydrophillic polymer root gels affect seedling survival of loblolly pine (pinus taeda): from planting to establishment
RR10-09 Effect of methyl bromide alternatives on seedling quality at the ArborGen SuperTree Nursery, Blenheim, SC 2008 – 2009
RR10-10 The use of Proline® for the control of pythium and botrytis spp.
RR10-11 Control of pitch canker, rhizoctonia foliage blight and fusiform rust using Proline® and efforts to acquire registration
RR10-12 Pythium populations in bareroot nursery soils

2009

RR09-01 Herbicide galls on loblolly pine seedlings
RR09-02 Preliminary results from testing nutsedge herbicides in loblolly pine seedbeds
RR09-03 Broadcast applications of metsulfuron-methyl on young loblolly pine seedlings
RR09-04 Warm nighttime temperatures (with tents) affect terminal buds of loblolly pine seedlings
RR09-05 Do biological soil inoculants have a place in forest nursery production?
RR09-06 Effect of methyl bromide alternatives on seedling quality and pathogenic soil fungi at the Plum Creek Jesup Nursery, 2007 – 2008, Study 1: Seedling Quality
RR09-07 Effect of methyl bromide alternatives on seedling quality and pathogenic soil fungi at the Glennville Regeneration Center, 2007 – 2008, Study 1: Seedling Quality

2008

RR08-01 Preliminary trials in hardwood and conifer seedbeds with flumioxazin and prodiamine
RR08-02 Warm nighttime temperatures affect the ability of loblolly pine (pinus taeda) seedlings to tolerate freezing
RR08-03 Shielded applications of sulfonylurea herbicides in loblolly pine seedbeds: Part IV
RR08-04 Fungicides for the control of fusiform rust
RR08-05 Spurge reduces seedling growth
RR08-06 Evaluation of Soil Moist and Zeba as nursery soil amendments on seedling growth and survival
RR08-07 Indian Mound Nursery, Texas: methyl bromide alternative study 2005 - 2007

2007

RR07-01 A spurge trial in Alabama
RR07-02 Tolerance of young loblolly pine seedlings to MSMA: Part II
RR07-03 Shielded applications of sulfonylurea herbicides in loblolly pine seedbeds: Part III
RR07-04 Root dip treatments affect fungal growth and survival of loblolly pine (pinus taeda) seedlings following exposure
RR07-05 Warm nighttime temperatures affect the ability of loblolly pine (pinus taeda) seedlings to tolerate freezing

2006

RR06-01 Tolerance of young loblolly pine seedlings to MSMA
RR06-02 Preliminary trials with a directed application of halosulfuron methyl in oak seedbeds
RR06-03 Shielded applications of sulfonylurea herbicides in loblolly pine seedbeds: Part II
RR06-04 Herbicide trials with flumioxazin and dimethenamid: Part II
RR06-05 Seedling quality and weed control with dazomet, methyl bromide and methyl iodide at the Glennville Regeneration Center 2005 - 2006

2005

RR05-01 Synthetic bed stabilizers cost effectively increase seed efficiency
RR05-02 Herbicide trials with flumioxazin and dimethenamid
RR05-03 Shielded applications of sulfonylurea herbicides in loblolly pine seedbeds
RR05-04 Seedling production by seed treatment and fumigation treatment at the Glennville Regeneration Center in 2004
RR05-05 The effect of top-pruning on tolerance of greenhouse-grown loblolly pine seedlings to MSMA

2004

RR04-1 The germination of longleaf seed in artificial media by family, sower and seed treatment with fungicide and rhizobacteria
RR04-2 Increasing the efficacy of fumigation with virtually impermeable film (VIF)
RR04-3 Control of rhizoctonia foliage blight by fungicides and fumigation, Part II: Lower application rates & fumigation effects
RR04-4 Trials with a new formulation of oxyfluorfen
RR04-5 The germination of longleaf seed in artificial media by family, seed treatment and orchard
RR04-6 Evaluating fungicides for the control of fusiform rust in a greenhouse study

2003

RR03-01 Trials with thiazopyr on loblolly, slash, and longleaf pine
RR03-02 The effects of family, seed treatment, and sowing technique on container production of longleaf seedlings at Goldsboro, North Carolina in 2002
RR03-03 The germination of longleaf seed in artificial media by family and seed treatment
RR03-04 Evaluating fungicides for control of rhizoctonia foliage blight of loblolly
RR03-05 Preliminary trial with antrhaquinone
RR03-6 Effects of fumigation treatments on loblolly seedling growth at the Taylor Forest Tree Nursery in South Carolina
RR03-7 A trial with metsulfuron methyl on a sandy, low organic matter soil
RR03-08 Initial growth of loblolly pine in response to nursery stock and outplanting spacing

2002

RR02-1 Root-dipping seedlings with rhizobacteria amended vitera did not reduce rust infection after outplanting
RR02-2 Morphological response of loblolly pine seedlings to foliar applications of GS48 (Green Sol)
RR02-3 Control of purple nutsedge with broad spectrum herbicides
RR02-4 Preliminary trials with thiazopyr
RR02-5 Trials with metsulfuron-methyl on loblolly and slash pine
RR02-6 Growth of sweetgum three years after planting morphologically different seedlings and two pruning operations
RR02-07 Preliminary study on the winter fertilization of loblolly pine
RR02-8 Comparing fungicide effects of artificial media with changes in longleaf seed germination
RR02-9 Assessing the effects of treatment and of position in a study with minimal replication
RR02-10 A comparison of fumigants and the effects of mycorrhizal inoculum on loblolly pine at Ashburn, Georgia
RR02-11 Winter nitrogen fertilization of loblolly pine seedlings

2001

RR01-1 One or two-row belt-lifters affect seedling survival
RR01-2 Sweetgum seedling production by alternative fumigants and EPTC at the Westvaco Nursery
RR01-3 The affects of alternative fumigants, and EPTC on the production of live oak and shumard oak at the Indian Mound Nursery
RR01-4 Pine seedling production and weed control with combinations of metham sodium and chloropicrin at the Glennville Regeneration Center in 2000
RR01-5 A comparison of digital scanners to measure leaf surface area of loblolly pine seedlings
RR01-6 The affects of BiogrowTM mycorrhizal inoculum on the growth of hardwood and pine seedlings at the Joshua Timberlands Nursery
RR01-7 Winter temperature fluctuation in loblolly pine seedling beds and riser lines
RR01-8 Preliminary trials with metsulfuron methyl
RR01-9 Preliminary trials with dithiopyr
RR01-10 Preliminary trials with cloransulam-methyl
RR01-11 Growth of sweetgum two years after planting three seedling sizes across three herbaceous weed control treatments
RR01-12 The morphology of sweetgum seedlings
RR01-13 Seed treatment with benlate reduces fusarium associated longleaf seedling mortality in containers
RR01-14 Saturated seedbeds reduce fine roots and outplanting survival

2000

RR00-1 Inhibition of four fusarium species associated with longleaf pine and their effects on seed germination
RR00-2 Rhizobacteria strain and dose affect the ectomycorrhizal colonization of loblolly pine seedlings
RR00-3 Seedling production and weed control by a potential replacement for methyl bromide at the Flint River Nursery
RR00-4 Freeze damage to loblolly pine seedlings as indicated by conductivity measurements and outplanting survival
RR00-5 Seedling production and weed control by alternative fumigants, application techniques, adn EPTC at the Pearl River Nursery
RR00-6 Seedling production and weed control by alternative fumigants, application techniques, adn EPTC at the Glennville Regeneration Center in 1999
RR00-7 Using the GLEAMS model to stimulate nitrate nitrogen and pesticide leaching from forest tree nurseries
RR00-8 Preliminary trials with a new formulation of oxadiazon
RR00-9 A Comparison of eight fertilizers for the production of loblolly pine seedlings
RR00-10 Nitrate leadching from different fertilizer materials in a pine seedling nursery

1999

RR99-1 Root washing loblolly seedlings reduces their vigor
RR99-2 A comparison of chloropicrin, metham-sodium, and EPTC combinations as methyl-bromide alternatives at three nurseries
RR99-3 Top pruning sweetgum - an update
RR99-4 Herbicide studies with clopyralid on loblolly pine seedbeds
RR99-5 Testing electrolyte leakage after freeze damage to loblolly pine
RR99-6 Treatment of longleaf pine (Pinus palustris Mill.) seed with nine different biological agents does not enhance seed germination
RR99-7 Application and timing trials with Manage® herbicide
RR99-8 Oxyflurofen: feasability as a pre-emergent herbicide for oak seedbeds
RR99-9 Assessing stunt nematodes on pine seedling roots
RR99-10 Fall sowing, seedbed density and extra nitrogen affect morphology of loblolly pine seedlings

1998

RR98-1 Soluble silicon is not efficacious against the foliar pathogen responsible for fusiform rust
RR98-2 Pine seed production as affected by fumigation and plant growth promoting rhizobacteria at a Georgia nursery
RR98-3 Loblolly seedling production, soil fungi and nematodes in the first two crops after fumigation at the Texas Supertree Nursery
RR98-4 Plant growth promoting rhizobacteria as an alternative treatment for methyl bromide
RR98-5 Results of 1996 irrigation water quality survey
RR98-6 Plant growth-promoting rhizobacteria as a seedling root-dip treatment at outplanting
RR98-7 Comparison of fumigants and herbicides for the control of purple nutsedge at the Flint River Nursery

1997

RN97-1 Use of fluorometry in assessing potential survival in response to cold storage duration in loblolly (P. taeda L.), longleaf (P. palustris M.) and slash pine (P. elliottii E.)
RN97-2 A growth regulator study at a loblolly pine nursery
RR97-3 Nitrogen use efficiencies of two slow release nitrogen fertilizers
RR97-4 The use of polyethylene seedling storage bags and their impact on bag CO2 levels and outplanting survival
RN97-5 Top pruning sweetgum after planting
RR97-6 Influence of nitrogen and phosphorus on the physiology and growth of different half-sibling loblolly and slash pine families
RR97-7 A single nursery test of hot water, 1,3-D, and metham-sodium as alternatives to methyl bromide
RR97-8 The relationship between pitch canker stem infections at a loblolly seed orchard and subsequent seedling disease

1996

RN96-1 Results of testing nine herbicides for seven tree species using a rapid screening technique
RN96-2 Testing alternatives to methyl bromide fumigation at the Winona nursery
RN96-3 Fomesafen: a herbcide for pine seedbeds
RR96-4 Efficacy of soluble silcon against the foliar pathogen Cronartium quercum f.sp. fusiforme

1995

RN95-1 Testing alternatives to methyl bromide fumigation at New Kent nursery
RN95-2 Bed density alters stem density of loblolly pine seedlings
RN95-3 ANTI-STRESS 2000 fails to protect pine seedlings against frost
RN95-4 Nitrate leaching at a coastal plain nursery in Alabama
RN95-5 Determining loblolly pine (P. taeda L.) seedling quality by chlorophyll fluorescence