corky scab

Listing 1 - 10 from 23 for corky scab

CactusMuseum.com - Cactus Diseases
... bud. Resist moving your cactus to another site if it has buds or open flowers. Corky scab: Brown, irregular spots developing in older parts of a stem. Most of the spots ... Corky scab is normally the result of poor cultivation (i.e. overwatering, poor ventilation). To control, increase light exposure and decrease humidity. The prickly pear (Opuntia sp.) are particularly prone to corky scab. Photo ...
www.cactusmuseum.com

GP03 - EDEMA
... Charles W Averre, Extension Plant Pathologist Ronald K. Jones, Extension Plant Pathologist (retired) Edema (oedema, corky scab) is a common, noninfectious disease of many herbaceous and some woody plants grown outdoors ... of the blisters, the exposed surface may become rust-colored, brown, or tan, with corky texture. Severely affected leaves of certain plants, such a geranium, may become cup-shaped ...
www.ces.ncsu.edu

Plant Pathology
... Exotic to Florida: Huanglongbing (Citrus Greening) Citrus Diseases Exotic to Florida: Sweet Orange Scab (SOS) Collecting and Submitting Turf Samples for Disease Identification Common Bacterial Blight of ... Soilborne Plant Diseases of Vegetables in Transplant Production Systems, Plant Protection Pointer N0. 25 Corky Root of Lettuce CROP ALERT: A Citrus Canker Fact Sheet for Homeowners Diplodia ...
edis.ifas.ufl.edu

Scab on Potatoes
... Scab on Potatoes Scab on Potatoes GardenLine | Vegetables | Scab on Potatoes Scab is a soil borne disease. Both common and powdery scab occur in Saskatchewan, however, common scab is much more prevalent. Scab is generally ... slower at higher and lower temperatures. Common Scab It is extremely common and occurs in every Canadian province. It appears to be a rough corky cracking on the surface of the ...
gardenline.usask.ca

Growing Potatoes In The Home Garden, HYG-1619-92
... aged manure or compost. Be cautioned, however, that manure may increase the incidence of potato scab (see below). Seedbed Preparation If a cover crop (rye or wheat are excellent choices) was ... the cover crop before planting the seed pieces. Soil pH and Fertilizer Practices Because scab disease (brown corky tissue on surface of tubers) may be a problem in alkaline or "sweet" soils ...
ohioline.osu.edu

Scab of Potato Tubers, HYG-3105-95
... corky lesions of varying size develop randomly across tuber surfaces. Sometimes scab develops as a rather superficial layer of corky tissues covering large areas of the tuber surface. This is called russet scab. Pitted scab ...
ohioline.osu.edu More from this site

Vegetable Crops - pt 4
... with good soil drainage and avoiding excessive irrigation late in the growing season. Scab (fungus - Streptomyces scabies): Rough, corky areas that may be round or irregular occur on tubers. Injury does not extend far into the potato but the appearance is objectional. Scab is less prevalent ...
plantpathology.tamu.edu

Fruit Disease Focus - April, 1998 - Apple Scab
... leaves with their entire surfaces covered with scab. Young leaves with sheet scab often shrivel and fall from the tree. Infections of ... but as the infected fruit enlarge, the lesions become brown and corky (photo 2-6 and 2-7). Infections early in the ... have not been bred specifically for resistance to scab show varying levels of scab susceptibility, also (Table of foliar disease susceptibility of ...
www.caf.wvu.edu

Department of Plant Pathology Ornamental Disease Fact Sheets
... , distorted, then wilt and die. On some plants such as kalanchoe, infected leaves have dry, corky, scab-like spots and fungal growth is not obvious. Conditions Favoring Powdery Mildew High relative humidity ...
www.ppath.cas.psu.edu

Plant Pathology Fact Sheets -- Fruit Pathology
... fruit. Unlike apple scab, twig infections are common with pear scab. Early in the growing season, lesions on young shoots appear as brown, velvety spots. Later, these lesions become corky, canker-like ... in the control of pear scab. Fungicides that control apple scab will also control pear scab, however, pear scab is never as severe a problem as apple scab. Fruit Pathology Home | Team | Research | ...
www.ppath.cas.psu.edu More from this site

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