tar spot

Listing 1 - 10 from 31 for tar spot

Trees Part 4
... more subject to attack by this disease than well established trees. Spot Anthracnose (fungus - Elsinoie quercus): Infection by this fungus can cause ... on all groups of oaks. Infected leaves have a faint indistinct spot on the upper leaf surface and a white to off- ... ") Lichens: (See section on "Plants That Grow on Other Plants") Tar Spot: (fungus - Morenoella quercina): Black spots up to 1/4 inch ...
plantpathology.tamu.edu

MACROFUNGI OF ROOSEVELT, Fund for Roosevelt, tree diseases, smuts, rusts
... Scale on Magnolia)] LEAFSPOTS (Rhytismatales) (Rhytismataceae) Rhytisma acerinum (Pers.:Fr.) Fr. [Tar Spot of Norway Maple] Rhytisma americanum Hudler & Banik [Tar Spot of Red and Silver Maples] Saccharomycetales [selected anamorphs] Candida albicans __ [N ...
pluto.njcc.com

Diseases of Sorghum (Sorghum bicolor (L.) Moench)
... spp., Penicillium spp. and other species. Gray leaf spot Cercospora sorghi Ellis & Everh. Latter leaf spot Cercospora fusimaculans Atk. Leaf blight Setosphaeria turcica (Luttrell) K. ... sorghi W. Weston & Uppal Tar spot* Phyllachora sacchari P. Henn. Target leaf spot Bipolaris cookei (Sacc.) Shoemaker = Helminthosporium cookei Sacc. Zonate leaf spot and sheath blight Gloeocercospora sorghi ...
www.apsnet.org

Dr. Mary Powelson's Field Trip
Dr. Mary Powelson's Field Trip Field Trip Pictures Anthracnose on ash Anthracnose on oak Tar spot of maple Phytophthora root rot of Port Orford cedar Brown rot of plum Brown rot of peach Melampsora rust of hybrid poplar
www.bcc.orst.edu

Acer campestre - field maple, hedge maple
... the tree to outgrow the infection. Girdling roots will cause symptoms which mimic verticillium wilt. Tar spot and a variety of leaf spots cause some concern among homeowners but are rarely serious ...
www.bonsai-bci.com

New Disease Reports - Cashew leaf and nut blight – A new disease of cashew in Tanzania caused by Cryptosporiopsis spp.
... significant yield losses. Infection of older nuts results in a characteristic dark, slightly sunken, ‘tar spot’ like lesion that frequently extends onto the apples. Under favourable conditions white spore masses ... Collection (IMI 391611). Infection on young nuts, which finally blackens and abscise prematurely Dark ‘tar spot’ like lesion formed on the nut of cashew by Cryptosporiopsis sp. Detail of ...
www.bspp.org.uk

FOREST PATHOLOGY
... 22 Lecture 13 Stem diseases (continued). Feb 27 Lecture 14 Foliage Diseases of Conifers; Brown-spot; Needlecasts (Lophodermium, Dothistroma). Tainter: 466-483, 487-492; Manion:134-137, 147-148, 149- ... Feb 20, 22, 23 Laboratory 6 Foliage Diseases of Hardwoods; Powdery Mildew; Anthracnose; Leaf Blister; Tar Spot; Sooty Molds; Foliage disease specimens. Tainter:444-464; Manion:139-146; Manual: 75-79. ( ...
www.cals.ncsu.edu

Untitled Document
... : Foliage Diseases of Hardwoods: Brown Spot Disease of Longleaf Pine Anthracnoses Lophodermium Needle Cast Leaf Blister Dothistroma septospora Needle Blight Tar Spot Needle Cast of Conifers Leaf Spot Sooty Mold on Pine Sooty Mold ...
www.cals.ncsu.edu More from this site

Questions on Maple Leaf Problems
... either. (E-mail reference) A: It sounds like your tree has a disease known as tar spot, which is not known to be fatal, just disfiguring. To control, rake all fallen leaves ...
www.ext.nodak.edu

... of Plant Pathology Tar spot on maple leaf Photo: U of MN Department of Plant Pathology Several fungal leaf spot diseases can infect maple, including anthracnose, Phyllosticta leaf spot, and tar spot. Extended periods ... raised black spots on the upper leaf surfaces. These spots resemble a puddle of tar. Tar spot most frequently infects red maple. These fungi overwinter on leaves and twigs that were ...
www.extension.umn.edu

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