boll blight

Listing 1 - 7 from 7 for boll blight

Flax
... Blight (fungi - Rhizoctonia solani, Pythium sp., others): Seedling blight is a complex disease, caused by several organisms. The fungus ... has not caused serious problems. Most common varieties are resistant. Boll Blight (fungi - various organisms): Several fungi are involved in the ... . Disease Characteristics of Flax Varieties Disease Variety Rust Pasmo Boll Blight Dillman R MS S Mac R MS S Tam - ...
plantpathology.tamu.edu

Diseases of Flax (Linum usitatissimum L. and other Linum spp.)
... -Nijhof (teleomorph: Guignardia fulvida F.R. Sanderson) Damping-off, root rot, and seedling blight Alternaria spp. Colletotrichum lini (Westerdijk) Tochinai Fusarium spp. Pythium spp. Rhizoctonia solani Kühn ... . sp. lini (Bolley) W.C. Snyder & H.N. Hans. MISCELLANEOUS DISEASES OR DISORDERS Boll blight Extreme high temperatures Chlorosis Alkaline and very wet soils; mineral deficiencies; herbicide ...
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Cotton Disease Index
Cotton Disease Index COTTON Gossypium hirsutum Disease Index Ascochyta Blight Bacterial Blight Boll Rots Cotton Root Rot Fusarium Wilt Minor Leaf Spots Nematodes Rust Seedling Disease Complex Verticillium Wilt Spot Blotch The full cotton text is available without illustrations.September, 1996
plantpathology.tamu.edu

APSnet Feature - Pioneering Women in Plant Pathology, Part I: Effie A. Southworth, First Woman Plant Pathologist Hired at USDA
... collected in Smith Mills, New York in Sept. 1891 (a letter from Southworth regarding late blight is available as a PDF). Over several years, as an assistant mycologist, Southworth prepared numerous ... in regard to the parts of the host attacked” (15). Southworth's work focused on boll infections and morphological descriptions of the fungus, while Atkinson examined the field symptoms of disease ...
www.apsnet.org

COTTON STEM CANKER, WET WEATHER BLIGHT, OR ASCOCHYTA BLIGHT
... CANKER, WET WEATHER BLIGHT, OR ASCOCHYTA BLIGHT Cotton Stem Canker, Wet Weather Blight, or Ascochyta Blight Cotton Disease Information Note No. 2 Steve Koenning, Plant Pathology Extension Specialist Introduction Stem ... cause cotton stem canker, postemergence damping off, and be part of the complex of boll rotting organisms. Causal Organism and Symptoms Figure 1. Leaf spot caused by Phoma exigua ...
www.ces.ncsu.edu

Bacterial blight of cotton
... Note No. 3 Steve Koenning, Plant Pathology Extension Specialist Bacterial blight of cotton (also called angular leaf spot) is an ... old leaf spots or cankers. Bolls may become infected causing boll rot which results in rotted seed and discolored lint. Infected ... first opportunity. Fields that have bacterial blight this year should be planted to a blight-resistant variety next year or rotated to ...
www.ces.ncsu.edu More from this site

Questions On Hollyhocks
... ? (e-mail reference) A: The insect is the hollyhock weevil, which is related to the boll weevil. Your hollyhock plants could also be getting a rust fungus, which is very common ... these and die. They still bloom, but have no more leaves. It is like a blight of some kind, but how do you treat it? Please help. (Wishek, N.D.) A ...
www.ext.nodak.edu