|
|
UC IPM Home > Homes, Gardens, Landscapes, and Turf > Diseases
How to Manage Pests
Pests in Gardens and Landscapes
Fungal Leaf Spots and the Hosts They Infect
Anthracnose
Discula fraxinea, on ash
Elsinoe corni, on dogwood
Gloesporium quercum, on oak
Apiognomonia veneta, on sycamore |
Marssonia spp.
Aspen, Cottonwood, Poplar, Willow |
Ascochyta spp.
Clematis, Gerbera daisy
Alternaria leaf spot (Alternaria alternata):
Geranium, Marigold, Pansy, Zinnia |
Mycosphaerella spp.
Aspen, Cottonwood, Iris, Poplar, Rose |
Cercospora spp.
Aspen, Cottonwood, Pansy, Poplar |
Phyllosticta spp.
Andromeda, Aucuba, Begonia, Boxwood, Magnolia, Maple, Rhodedendron, Snapdragon, Zinnia |
Curvularia leaf spot (Curvularia lunata, C. trifoli)
Gladiolus |
Ramularia spp.
Primrose, Sweet pea |
Entomosporium leaf spot (Entomosporium spp.)
Apple, Flowering crab apple, Evergreen pear, Hawthorn, Pear, Photinia, Pyracantha,
Quince, Rhaphiolepis, Serviceberry, Toyon |
Scabs (Spilocaea and Venturia spp.)
Apple,
Coffeeberry, Cottoneaster, Maple, Pear, Poplar, Pyracantha,
Toyon, Willow |
Fairy-ring leaf spot (Cladosporium (=Heterosporium) echinulatum)
Carnation |
Septoria leaf spot (Septoria spp.)
Aspen, Aster, Azalea, Carnation, Chrysanthemum, Cottonwood, Hebe, Poplar, Verbena |
Fire spot (Heterosporium gracile)
Iris |
Shot hole (Wilsonomyces carpophilus )
Prunus species such as Almond, Apricot, Plum |
Ink spot (Drechslera or Bipolaris iridis)
Iris
|
Sphaceloma spp.
Rose |
Leaf blotch (Cladosporium paeoniae)
Peony
|
Stemphylium leaf spot (Stemphylium spp.)
Gladiolus |
Macrophoma spp.
Boxwood |
Tar spot (Rhytisma spp.)
Maple, Tulip tree, Yellow poplar |
|
