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Diseases - Vascular Wilts

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Image Subject Name Scientific Name Description
5488698 chestnut blight or canker Cryphonectria parasitica Cryphonectria parasitica canker on chestnut branch
1400113 chestnut blight or canker Cryphonectria parasitica Canker on main stem; note dead branch in center of canker, discolored bark, and orange bumps (stroma) breaking through killed bark.
1400112 chestnut blight or canker Cryphonectria parasitica Lethal canker on main stem, with bark discoloration and orange stroma.
1400114 chestnut blight or canker Cryphonectria parasitica Orange stroma of cryphonectria emerging through bark of canker.
0488100 chestnut blight or canker Cryphonectria parasitica diseased chestnut
0454025 chestnut blight or canker Cryphonectria parasitica Long, orange-yellow tendrils of Cryphonectria parasitica pycnidiospores exuding from pycnidia on chestnut tree bark.
1415081 chestnut blight or canker Cryphonectria parasitica Bark necrosis. July 11, 2002
1415079 chestnut blight or canker Cryphonectria parasitica Branch dieback. July 11, 2002
1415077 chestnut blight or canker Cryphonectria parasitica Tree dieback. July 11, 2002
0454041 chestnut blight or canker Cryphonectria parasitica Orange-yellow pycnidia of Cryphonectria parasitica on chestnut tree bark.
0454026 chestnut blight or canker Cryphonectria parasitica Swelling and bark cracking on 13-year-old chestnut tree caused by Cryphonectria parasitica.
1415075 chestnut blight or canker Cryphonectria parasitica Tree dieback. July 11, 2002
0454002 chestnut blight or canker Cryphonectria parasitica Sunken area on bark of a young chestnut tree resulting from infection by Cryphonectria parasitica. Note adventitious shoots arising below the dead patch.
1415082 chestnut blight or canker Cryphonectria parasitica July 11, 2002
1415076 chestnut blight or canker Cryphonectria parasitica Tree dieback. July 11, 2002
5053097 chestnut blight or canker Cryphonectria parasitica Chestnut blight canker on American chestnut
5049007 chestnut blight or canker Cryphonectria parasitica Research activities concerning chestnut blight.  Person in image: Bill MacDonald
5297092 chestnut blight or canker Cryphonectria parasitica Experimental treatment of chestnut blight cankers in Wisconsin.  Person in image:Linda Haugen
5297093 chestnut blight or canker Cryphonectria parasitica Field crew doing chestnut blight research in Wisconsin.
5297094 chestnut blight or canker Cryphonectria parasitica Chestnut blight cankers experimentally treated with hypovirulent strain of the pathogen.
5297095 chestnut blight or canker Cryphonectria parasitica Chestnut blight cankers experimentally treated with a hypovirulent strain of the pathogen.
5297096 chestnut blight or canker Cryphonectria parasitica Chestnut blight research in Wisconsin.  Person in image: Barb Spears
5297097 chestnut blight or canker Cryphonectria parasitica Chestnut blight cankers experimentally treated with a hypovirulent strain of the pathogen.
5297098 chestnut blight or canker Cryphonectria parasitica Farm site in Wisconsin where chestnut blight cankers were experimentally treated with a hypovirulent strain of the pathogen.
5297100 chestnut blight or canker Cryphonectria parasitica Field crew doing research on chestnut blight in Wisconsin.
5298001 chestnut blight or canker Cryphonectria parasitica Field crew doing research on chestnut blight in Wisconsin.
5298002 chestnut blight or canker Cryphonectria parasitica Field crew doing research on chestnut blight in Wisconsin.
5298003 chestnut blight or canker Cryphonectria parasitica Field crew doing research on chestnut blight in Wisconsin.
5298006 chestnut blight or canker Cryphonectria parasitica Field crew doing research on chestnut blight in Wisconsin.
5298007 chestnut blight or canker Cryphonectria parasitica Field crew doing research on chestnut blight in Wisconsin.
5298008 chestnut blight or canker Cryphonectria parasitica Field crew doing research on chestnut blight in Wisconsin.
5298009 chestnut blight or canker Cryphonectria parasitica Tree climbing field crew doing research on chestnut blight in Wisconsin.
5379823 chestnut blight or canker Cryphonectria parasitica
5379824 chestnut blight or canker Cryphonectria parasitica
5379825 chestnut blight or canker Cryphonectria parasitica
5382616 chestnut blight or canker Cryphonectria parasitica
5382617 chestnut blight or canker Cryphonectria parasitica
5382618 chestnut blight or canker Cryphonectria parasitica
5382619 chestnut blight or canker Cryphonectria parasitica
5382620 chestnut blight or canker Cryphonectria parasitica
5382627 chestnut blight or canker Cryphonectria parasitica
5382628 chestnut blight or canker Cryphonectria parasitica
5382629 chestnut blight or canker Cryphonectria parasitica
5382630 chestnut blight or canker Cryphonectria parasitica
5382631 chestnut blight or canker Cryphonectria parasitica
5382624 chestnut blight or canker Cryphonectria parasitica
5382636 chestnut blight or canker Cryphonectria parasitica
5382637 chestnut blight or canker Cryphonectria parasitica
5382638 chestnut blight or canker Cryphonectria parasitica
5382639 chestnut blight or canker Cryphonectria parasitica
5382640 chestnut blight or canker Cryphonectria parasitica
5382641 chestnut blight or canker Cryphonectria parasitica
5382632 chestnut blight or canker Cryphonectria parasitica
5382633 chestnut blight or canker Cryphonectria parasitica
5382634 chestnut blight or canker Cryphonectria parasitica
5382643 chestnut blight or canker Cryphonectria parasitica
5382644 chestnut blight or canker Cryphonectria parasitica
5382645 chestnut blight or canker Cryphonectria parasitica
5382646 chestnut blight or canker Cryphonectria parasitica
5382647 chestnut blight or canker Cryphonectria parasitica
5382648 chestnut blight or canker Cryphonectria parasitica
5382649 chestnut blight or canker Cryphonectria parasitica
5382650 chestnut blight or canker Cryphonectria parasitica
5382651 chestnut blight or canker Cryphonectria parasitica
5382652 chestnut blight or canker Cryphonectria parasitica
5382653 chestnut blight or canker Cryphonectria parasitica
5382654 chestnut blight or canker Cryphonectria parasitica
5382655 chestnut blight or canker Cryphonectria parasitica
5382656 chestnut blight or canker Cryphonectria parasitica
5382657 chestnut blight or canker Cryphonectria parasitica
5382658 chestnut blight or canker Cryphonectria parasitica
5382659 chestnut blight or canker Cryphonectria parasitica
5382660 chestnut blight or canker Cryphonectria parasitica
5382661 chestnut blight or canker Cryphonectria parasitica
5382662 chestnut blight or canker Cryphonectria parasitica
5382663 chestnut blight or canker Cryphonectria parasitica
5382664 chestnut blight or canker Cryphonectria parasitica
5382666 chestnut blight or canker Cryphonectria parasitica
5382668 chestnut blight or canker Cryphonectria parasitica
5382669 chestnut blight or canker Cryphonectria parasitica
5382670 chestnut blight or canker Cryphonectria parasitica
5382671 chestnut blight or canker Cryphonectria parasitica
5382672 chestnut blight or canker Cryphonectria parasitica
5382673 chestnut blight or canker Cryphonectria parasitica
5382674 chestnut blight or canker Cryphonectria parasitica
5382675 chestnut blight or canker Cryphonectria parasitica
5382676 chestnut blight or canker Cryphonectria parasitica
5382677 chestnut blight or canker Cryphonectria parasitica
5382678 chestnut blight or canker Cryphonectria parasitica
5382679 chestnut blight or canker Cryphonectria parasitica
5382680 chestnut blight or canker Cryphonectria parasitica
5382681 chestnut blight or canker Cryphonectria parasitica
5382682 chestnut blight or canker Cryphonectria parasitica
5382683 chestnut blight or canker Cryphonectria parasitica
5382684 chestnut blight or canker Cryphonectria parasitica
5382687 chestnut blight or canker Cryphonectria parasitica
5382688 chestnut blight or canker Cryphonectria parasitica
5382689 chestnut blight or canker Cryphonectria parasitica
5382690 chestnut blight or canker Cryphonectria parasitica
5382691 chestnut blight or canker Cryphonectria parasitica
5382692 chestnut blight or canker Cryphonectria parasitica
5382694 chestnut blight or canker Cryphonectria parasitica
5382696 chestnut blight or canker Cryphonectria parasitica
5382697 chestnut blight or canker Cryphonectria parasitica
5382698 chestnut blight or canker Cryphonectria parasitica
5382699 chestnut blight or canker Cryphonectria parasitica
5382700 chestnut blight or canker Cryphonectria parasitica
5382701 chestnut blight or canker Cryphonectria parasitica
5382702 chestnut blight or canker Cryphonectria parasitica
5382703 chestnut blight or canker Cryphonectria parasitica
5382704 chestnut blight or canker Cryphonectria parasitica
5382705 chestnut blight or canker Cryphonectria parasitica
5382707 chestnut blight or canker Cryphonectria parasitica
5382708 chestnut blight or canker Cryphonectria parasitica
5382709 chestnut blight or canker Cryphonectria parasitica
5382711 chestnut blight or canker Cryphonectria parasitica
5382712 chestnut blight or canker Cryphonectria parasitica
5382713 chestnut blight or canker Cryphonectria parasitica
5382714 chestnut blight or canker Cryphonectria parasitica
5382715 chestnut blight or canker Cryphonectria parasitica
5382716 chestnut blight or canker Cryphonectria parasitica
5382717 chestnut blight or canker Cryphonectria parasitica
5382718 chestnut blight or canker Cryphonectria parasitica
5382719 chestnut blight or canker Cryphonectria parasitica
5382720 chestnut blight or canker Cryphonectria parasitica
5382721 chestnut blight or canker Cryphonectria parasitica
5382722 chestnut blight or canker Cryphonectria parasitica
5382723 chestnut blight or canker Cryphonectria parasitica
5382724 chestnut blight or canker Cryphonectria parasitica
5382625 chestnut blight or canker Cryphonectria parasitica
5382623 chestnut blight or canker Cryphonectria parasitica
5382626 chestnut blight or canker Cryphonectria parasitica
5382635 chestnut blight or canker Cryphonectria parasitica
5382665 chestnut blight or canker Cryphonectria parasitica in winter
5382642 chestnut blight or canker Cryphonectria parasitica
5382685 chestnut blight or canker Cryphonectria parasitica in winter
5382686 chestnut blight or canker Cryphonectria parasitica
5382706 chestnut blight or canker Cryphonectria parasitica
5382693 chestnut blight or canker Cryphonectria parasitica
5334021 chestnut blight or canker Cryphonectria parasitica
1506071 chestnut blight or canker Cryphonectria parasitica Chestnut blight - branch symptoms
1506072 chestnut blight or canker Cryphonectria parasitica Chestnut blight - stem canker
5049071 chestnut blight or canker Cryphonectria parasitica epicormic sprouts
5049072 chestnut blight or canker Cryphonectria parasitica hypovirulence treatment; 06-01-2005
1415083 chestnut blight or canker Cryphonectria parasitica Anamorph fibers. July 11, 2002
1415140 chestnut blight or canker Cryphonectria parasitica Mycelial fans under the bark. Aug. 12, 2002
1396146 chestnut blight or canker Cryphonectria parasitica dead tree, picture taken 1943
1400111 chestnut blight or canker Cryphonectria parasitica orange colored stroma of cryphonectria on main stem around base of dead branch.
0454003 chestnut blight or canker Cryphonectria parasitica Characteristic mycelial fan of Cryphonectria parasitica in the inner bark of a chestnut tree.
0590013 chestnut blight or canker Cryphonectria parasitica canker

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