soilborne fungus

Listing 1 - 10 from 33 for soilborne fungus

Verticillium Wilt of Strawberry, HYG-3012-95
... degrees F (21 to 24 degrees C). Many soils in Ohio contain the Verticillium wilt fungus. The fungus can be introduced into uninfested soil on seed, tools and farm machinery, and in ... planting may wilt and die. Casual Organism Verticillium wilt is caused by the soilborne fungus Verticillium albo-atrum. The fungus overwinters in soil or plant debris as dormant mycelium or black, speck-sized ...
ohioline.osu.edu

Red Stele Root Rot of Strawberry, HYG-3014-95
... with water during cool weather when the fungus is most active. The red stele fungus can survive in soil for up to ... Disease Cycle Red stele is caused by the soilborne fungus Phytophthora fragariae. This fungus is not a natural inhabitant of most agricultural soils ... sporangia, which are filled with the infectious spores of the fungus (zoospores). These microscopic zoospores are released into the soil ...
ohioline.osu.edu More from this site

Celery, Commercial Vegetable Production Guides, North Willamette Research and Extension Center
... -85, Vicar, Deacon (tall), Promise, UC8-1, UC10-1, and UC26-1. Fusarium is a soilborne fungus now limiting celery production in certain areas in California. It is spread in all ways ... to watery soft rot. This disease originates in the field and is caused by a fungus that is able to develop to some extent even at 32 to 34 F. Use ...
oregonstate.edu

Vegetable Crops Pt1
... . Outer leaves of the head will develop small black spots when infected with the mildew fungus. The fungus overwinters in crop refuse. Sanitation, rotation and spraying with a protective fungicide are the ... attached causing a head rot or a root rot. The causal agent is a common soilborne fungus that attacks many plants. Crop rotation and planting healthy transplants are the most effective means ...
plantpathology.tamu.edu

Vegetable Crops - pt 3
... frequent intervals will give satisfactory control of the disease. Sclerotinia Drop (fungus - Sclerotinia sclerotiorum): The causal organism is a soilborne fungus that infects the stem of lettuce at or near ground level. ... . The virus is soilborne and may persist in the soil for a long period of time. The virus can be transmitted by Olpidium brassicae, a soilborne fungus found in the rootlets ...
plantpathology.tamu.edu More from this site

SOY006 - Disease Resistance in Selected Soybean Varieties
... , where reniform nematode is a problem. Phytophthora Rot This disease is caused by the soilborne fungus Phytophthora sojae. This fungus is widely distributed in North Carolina, but is most serious in heavy, poorly ... leaf spot is a disease of soybean leaves stems and pods. Lesions caused by this fungus (Cercospora sojina) are distinctive in that they are brown spots surrounded by a narrow red ...
www.ces.ncsu.edu

Dahlia Smut
... types. DAHLIA SMUT - 1997 Pacific Northwest Plant Disease Handbook Cause: Entyloma calendulae f. dahlia. A soilborne fungus. It overwinters in plant debris in soil. IT IS NOT TRANSMITTED IN SEED OR TUBERS ...
www.members.shaw.ca

Department of Plant Pathology Plant Disease Fact Sheets
... fungus Rhizoctonia is known to cause root rots, stem rots, damping-off, and, in some cases, a blight of leaves. It is a soilborne fungus favored by warm, moderately moist soil conditions. The fungus is able to persist in the soil as hyphae, sclerotia, and basidiospores. Once the fungus begins to grow in ...
www.ppath.cas.psu.edu

OREP - Improved Quality and Storability of Onions and Carrots Through Sustainable Management of Soilborne Diseases
... of Onions and Carrots Through Sustainable Management of Soilborne Diseases Southern Crop Protection and Food Research Centre About our ... and Storability of Onions and Carrots Through Sustainable Management of Soilborne Diseases Report No.: OREP-1999/25 LEAD INVESTIGATOR: Dr. Mary ... 1-6 years) in soil (Adams and Ayers, 1979). Moreover, this fungus has such a wide host range that only a few crops ...
res2.agr.gc.ca

APSnet Education Center - Lab Exercises in Plant Pathology - Following the disease progression of an ectotrophic root-infecting fungus.
... OBJECTIVES: Familiarize students with the infection and colonization process of root-infecting fungi. INTRODUCTION: Soilborne root-infecting fungi can be damaging to susceptible hosts. Control of diseases caused ... . The disease cycle of the fungus is fairly simple as the fungus survives, disseminates, and infects through mycelial growth (Figure 1). The fungus may survive between wheat crops in ...
www.apsnet.org

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