rosaceous host

Listing 1 - 4 from 4 for rosaceous host

Cedar Rust Diseases of Ornamental Plants, HYG-3055-96
... infect the rosaceous host. The alternating host plant is necessary for survival of the fungus. Spores produced on the juniper host are blown during moist weather to the rosaceous hosts ... host from spores being disseminated from the rosaceous host in late summer and fall. Eradication of the other host plant. One approach sometimes suggested is to eliminate junipers from around plantings of rosaceous ...
ohioline.osu.edu

template
... disseminated to Juniperus species in summer and early fall. Severe infection of the alternate host apple causes not only chlorotic leaf spots but also defoliaton and degrade in fruit ... apple, hawthorn, quince, and other rosaceous hosts. Gymnosporangium effusum can cause swellings and cankers on juniper trunks as well as branches. The alternate host is chokeberry. Gymnosporangium ellisii causes severe ...
www.cals.ncsu.edu

Spotted tentiform leafminer
... Hosts: A Connecticut study showed STLM to infest apple and wild crab apples. A broader host list is sometimes given, but this may arise from confusion between STLM and closely ... problem in some northern areas, apple blotch leafminer [P. crataegella (Clemens)], develops on 17 host species in seven rosaceous genera, including apple, pear, sweet cherry, plum and quince. III. Description: Adult moths ...
www.caf.wvu.edu

Fire blight
... formed when an infection progresses into larger branches. The host may produce callus tissue that walls off the canker, or a host may continue to be infected causing death of the branch ... . Van Der Zwet, Tom and Keil, Harry L. 1979. Fire Blight, A Bacterial Disease of Rosaceous Plants. USDA Agriculture Handbook #510, Washington, D.C. 200 pp. NOTE: Resistance information on apples ...
www.extension.umn.edu