Plant species

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rosaceous hosts

Listing 1 - 6 from 6 for rosaceous hosts

Cedar Rust Diseases of Ornamental Plants, HYG-3055-96
... apple in addition to several other rosaceous hosts. Cedar quince rust (pathogen: Gymnosporangium clavipes). The fungus alternates between junipers and a wide range of rosaceous hosts. The most noticeable in the ... is no repeating spore cycle on the rosaceous hosts. In other words, spores produced on hawthorn will not reinfect hawthorns or other rosaceous plants-they will only reinfect junipers ...
ohioline.osu.edu

APSnet Education Center - Plant Disease Lessons - Fire blight of apple and pear
... apple and pear PATHOGEN: Erwinia amylovora HOSTS: Apple, pear, several rosaceous ornamentals Author Kenneth B. Johnson, Oregon State University Erwinia amylovora is a native pathogen of wild, rosaceous hosts in eastern North America. It ...
www.apsnet.org

template
... the alternate hosts, crabapple, quince and hawthorn. Gymnosporangium nidus-avis causes a witch’s broom on juniper with the aecial stage on apple, hawthorn, quince, and other rosaceous hosts. Gymnosporangium effusum ... factor in forest stand reproduction and use as a Christmas tree species. The alternate hosts for G. ellisii are wax myrtle (Myrica cerifera) and sweet fern (Comptonia peregrina). Here, ...
www.cals.ncsu.edu

Spotted tentiform leafminer
... for scouting for this pest. The degree of infestation is highly variable among orchards. II. Hosts: A Connecticut study showed STLM to infest apple and wild crab apples. A broader host ... 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 are about ...
www.caf.wvu.edu

Entomosporium Leaf Spot of Photinia
... Tech Publication Number: 450-609, Posted May 2000 Photinia, a shrub belonging to the rosaceous family, is widely grown in nurseries and landscapes in the eastern United States. ... to leaf spotting caused by the fungus Entomosporium mespili. Other ornamentals reported to be hosts of the fungus include juneberry (Amelanchier spp.), flowering quince (Chaenomeles spp.), loquat (Eriobotrya japonica ...
www.ext.vt.edu

Fire blight
... to the sweet smelling ooze are responsible for transmitting the bacteria to flowers of susceptible hosts. Fig . 1 Fig . 2 Infected flowers first appear water-soaked, then shrivel, turning brown or ... . 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