← Diseases

Lophodermium Needle Cast

Lophodermium spp.

53 host plants

Last updated

Data Coverage 3 of 6 dimensions
Causal Agent
Host Plants
Symptoms
Management
GDD Threshold
Regional Notes

Lodgepole pine shows premature needle loss and sparse crown from Lophodermium fungal infection. Favor drier upland sites with good drainage and air movement. Space plants widely, prune lower branches, and remove weeds beneath trees to reduce humidity and promote needle retention.

Manage lophodermium needle cast by breaking the disease cycle at the points you can control: remove infected tissue and debris, reduce moisture on susceptible foliage, and maintain plant health through proper watering and fertilization. Healthy, well-sited plants resist infection more effectively than stressed ones, so addressing underlying site conditions often solves the problem better than repeated chemical applications.

Quick Reference

Causal Agent
Lophodermium spp.
Host Plants
53

Management

Cultural Controls

  • Reduce humid conditions which favor disease development (remove weeds under and near trees, thin canopy).
  • Space plantings to provide good air circulation.
  • Prune lower branches.
  • Prune and destroy infected twigs and branches.

Host Plants (53)

Agathis australis Kauri Tāne Mahuta, Kauri Pine Araucaria araucana Monkey Puzzle Tree, Chilean Pine Araucaria bidwillii Bunya Pine Araucaria cunninghamii Hoop Pine, Moreton Bay Pine Araucaria heterophylla Norfolk Island Pine Athrotaxis laxifolia Tasmanian Pencil Pine, Summit Cedar Cephalotaxus harringtonia Japanese Plum Yew, Cow's Tail Pine Glyptostrobus pensilis Chinese Swamp Cypress, Water Pine Water Fir Shui song Microcachrys tetragona Creeping Pine, Creeping Strawberry Pine Pinus albicaulis Whitebark Pine, Scrub Pine, White Pine Pinus aristata Bristlecone Pine, Rocky Mountain Bristlecone Interior Bristlecone Pinus attenuata Knobcone Pine Pinus banksiana Jack Pine, Scrub Pine, Banksian Pine, Hudson Bay Pine Pinus bungeana Lacebark Pine, Whitebark Pine, Baipi Song Pinus canariensis Canary Island Pine Pinus cembra Swiss Stone Pine Pinus contorta Lodgepole Pine Pinus contorta var. contorta Shore Pine Pinus contorta var. latifolia Rocky Mountain Lodgepole Pine Pinus coulteri Coulter Pine, Bigcone Pine Pinus densiflora Japanese Red Pine Pinus edulis Pinyon Pine, Piñón Pine, Two-needle Pinyon Colorado Pinyon Pinus elliottii Slash Pine, Swamp Pine Pinus flexilis Limber Pine, Rocky Mountain White Pine Pinus halepensis Aleppo Pine, Jerusalem Pine Pinus heldreichii Bosnian Pine, Snakeskin Pine Pinus jeffreyi Jeffrey Pine, Western Yellow Pine, Bull Pine Pinus kwangtungensis Kwangtung Pine, Guangdong Pine Pinus lambertiana Sugar Pine Pinus leucodermis Bosnian Pine Pinus monophylla Singleleaf Pinon Pine, One-leaved Pine Pinus monticola Western White Pine Pinus mugo Mugo Pine Pinus mugo var. pumilio Mugo pine, Dwarf Mugo pine Pinus nigra Austrian Pine Pinus parviflora Japanese White Pine Pinus parvifola Pinus parvifola Pinus pinaster Maritime Pine, Cluster Pine, Turpentine Pine Pinus pinea Italian Stone Pine, Umbrella Pine Pinus ponderosa Ponderosa Pine, Western Yellow Pine Pinus pumila Japanese Stone Pine, Dwarf Siberian Pine Pinus radiata Monterey Pine Pinus resinosa Red Pine Pinus sabiniana Gray Pine, Foothill Pine Pinus strobiformis Southwestern White Pine, Mexican White Pine, Chihuahua White Pine Pinus strobus Eastern White Pine Pinus sylvestris Scots Pine, Scotch Pine Pinus thunbergii Japanese Black Pine Pinus virginiana Virginia Pine, Scrub Pine, Jersey Pine Pinus wallichiana Himalayan Pine, Bhutan Pine Pinus yunnanensis Yunnan Pine Sciadopitys verticillata Japanese Umbrella Pine, Umbrella Pine Wollemia nobilis Wollemi Pine