Bulletin E2975
An IPM Pocket Guide for Weed Identification in Christmas Trees
DOWNLOAD
January 31, 2007 - Steven A. Gower and Robert J. Richardson
Introduction
Like growers of any other crop, Christmas tree growers face a myriad of pest and plant health problems that are best managed within the context of a comprehensive integrated pest management (IPM) program. Scouting for plant pests is the foundation of an IPM program, so weed identification is one of the first critical steps to creating an integrated weed management program. This IPM pocket scouting guide for identifying weeds in Christmas tree plantations was designed for field use. This guide will help with proper weed identification, which will allow growers to implement proper IPM practices, including site-specific management, prevention and sanitation, appropriate herbicide selection and prevention of herbicide misapplication due to improper herbicide selection.
Specific pesticides are not listed in this guide. Recommendations can change frequently as new products become available and older ones are removed from the market. We suggest you contact your local MSU Extension office. This guide is a field supplement to the more comprehensive resources listed in the suggested reading section.
For reference:
Common weeds in Christmas trees
Identify weeds by:
Common name
- Annual sowthistle
- Apple of Peru
- Atriplex
- Barnyardgrass
- Bittersweet nightshade
- Blackseed plantain
- Bladder campion
- Brambles
- Broadleaf dock
- Broadleaf plantain
- Buckhorn plantain
- Bull thistle
- Canada goldenrod
- Canada thistle
- Common blue violet
- Common cottonwood
- Common eveningprimrose
- Common lambsquarters
- Common milkweed
- Common ragweed
- Common St. Johnswort
- Common yarrow
- Curly dock
- Cutleaf eveningprimrose
- Dandelion
- Dwarf sumac
- Eastern black nightshade
- Entireleaf morningglory
- Fall pancium
- Field bindweed
- Field horsetail
- Field pennycress
- Field violet
- Giant foxtail
- Giant knotweed
- Giant ragweed
- Green foxtail
- Hedge bindweed
- Hemp dogbane
- Hoary alyssum
- Horsenettle
- Horseweed
- Ivyleaf morningglory
- Japanese knotweed
- Jimsonweed
- Johnsongrass
- Ladysthumb
- Large crabgrass
- Marestail
- Mile-a-minute
- Nightflowering catchfly
- Pale smartweed
- Pennsylvania smartweed
- Perennial sowthistle
- Pitted morningglory
- Poison hemlock
- Poison ivy
- Pokeweed
- Powell amaranth
- Prickly lettuce
- Prostrate pigweed
- Puncturevine
- Quackgrass
- Queen Anne’s lace
- Red clover
- Redroot pigweed
- Scouringrush
- Shepherd’s purse
- Smooth crabgrass
- Smooth groundcherry
- Smooth pigweed
- Smooth sumac
- Spiny sowthistle
- Spotted knapweed
- Spreading dogbane
- Staghorn sumac
- Stinging nettle
- Stinkgrass
- Swamp smartweed
- Tall morningglory
- Tartary buckwheat
- Tree-of-heaven
- Tumble pigweed
- Velvetleaf
- Vetches
- Virginia creeper
- Western ragweed
- White campion
- White clover
- White cockle
- Wild buckwheat
- Wild carrot
- Wild grapes
- Wild mustard
- Wild proso millet
- Witchgrass
- Yellow foxtail
- Yellow nutsedge
- Yellow rocket
Scientific name
- A. androsaemifolium
- A. hybridus
- A. powellii
- A. psilostachya
- A. trifida
- Abutilon theophrasti
- Achillea millefolium
- Ailanthus altissima
- Amaranthus albus
- Amaranthus blitoides
- Amaranthus retroflexus
- Ambrosia artemisiifolia
- Apocynum cannabinum
- Asclepias syriaca
- Atriplex patula
- Barbarea vulgaris
- Berteroa incana
- C. arvense
- Calystegia sepium
- Capsella bursa-pastoris
- Centaurea stoebe micranthos
- Chenopodium album
- Cirsium vulgare
- Conium maculatum
- Convolvulus arvensis
- Conyza canadensis
- Cyperus esculentus
- Datura stramonium
- Daucus carota
- Digitaria ischaemum
- Digitaria sanguinalis
- E. hyemale
- Echinochloa crus-galli
- Elymus repens
- Equisetum arvense
- Eragrostis cilianensis
- Fagopyrum tataricum
- Hypericum perforatum
- I. hederacea integriuscula
- I. lacunosa
- I. purpurea
- Ipomoea hederacea
- Lactuca serriola
- Nicandra physalodes
- O. laciniata
- Oenothera biennis
- Panicum dichotomiflorum
- Parthenocissus quinquefolia
- Physalis longifolia subglabrata
- Phytolacca americana
- Plantago lanceolata
- Plantago major
- Polygonum convolvulus
- Polygonum cuspidatum
- Polygonum pensylvanicum
- Populus deltoides
- P. amphibium emersum
- P. capillare
- P. lapathifolium
- P. miliaceum
- P. perfoliatum
- P. persicaria
- P. rugelii
- P. sachalinense
- R. copallina
- R. glabra
- R. obtusifolius
- Rhus typhina
- Rubus
- Rumex crispus
- S. asper
- S. dulcamara
- S. faberi
- S. glauca
- S. noctiflora
- S. oleraceus
- S. vulgaris
- Setaria viridis
- Silene latifolia
- Sinapis arvensis
- Solanum carolinense
- Solanum ptycanthum
- Solidago canadensis scabra
- Sonchus arvensis
- Sorghum halepense
- T. pratense
- Taraxacum officinale
- Thlaspi arvense
- Toxicodendron radicans
- Tribulus terrestris
- Trifolium repens
- Urtica dioica
- V. papilionacea
- Vicia
- Viola arvensis
- Vitis