ground symptoms

Listing 1 - 10 from 197 for ground symptoms

Verticillium Wilt of Strawberry, HYG-3012-95
... symptoms usually appear just before picking time. Symptoms on above-ground plant parts may differ with the susceptibility of the cultivar affected. In addition, above-ground symptoms ...
ohioline.osu.edu

Phytophthora Root and Crown Rot of Fruit Trees, HYG-3029-95
... soils that remain saturated for extended periods of time are required for disease development. Above-ground symptoms vary between tree species, but generally include reduced tree vigor and growth, yellowing or ... leaves often occurs in autumn, while leaves on healthy trees remain green. To observe below-ground symptoms, you need to remove several inches of soil around the base of the declining ...
ohioline.osu.edu More from this site

Other Nematodes and Plant Disease
... be the cause. During periods of stress, infested plants will tend to wilt first. Other symptoms include a crooked or brushy appearance of fleshy tap roots, stubby, small root systems with ... size which explains why they are often overlooked as causal agents. In addition, the above ground symptoms are typical of a large number of infectious and non-infectious root diseases. Nematodes live ...
plantpathology.tamu.edu

ICPP98 Paper Number 2.7.5
... problem for California production. Above-ground symptoms include yellowing and death of the crown leaves, which may be followed by collapse of the vines. Below-ground symptoms include a rot of ... cannonballus. In commercial fields, collapse is often associated with only slight to moderate root rot symptoms and no vascular discoloration. This indicates that the pathogenicity of fungi alone may ...
www.bspp.org.uk

Fruit Pathology - Disease Diagnostic Key
... 2-3 year and older wood. Symptoms enhanced by water stress in mid-summer. VERTICILLIUM WILT (Verticillium albo-atrum) 6b. Flagging is not evident. Other above ground symptoms. (7) 7a. Distinct lesions or ... 2-3 year or older wood. Symptoms enhanced by water stress in mid-summer. VERTICILLIUM WILT (Verticillium albo-atrum) 14b. Flagging is not evident. Other above ground symptoms. (15) 15a. Trees have ...
www.caf.wvu.edu

Fruit Disease Focus - Phytophthora Root, Crown and Collar Rots  - June, 1998
... water collects or is slow to drain (Fig. 1; healthy tree in foreground). Above-ground symptoms are variable among tree species and locations, but include poor growth with sparse off- ... to below-ground tissues, although lesions may occasionally extend up into the scion. Other causes of girdling (borers, graft union incompatibility, certain virus infections) may also cause above-ground symptoms of ...
www.caf.wvu.edu More from this site

pp 318 links
... prevented, because chemicals often are ineffective in controlling this disease after above-ground symptoms become obvious. http://www.apsnet.org/education/feature/1225tree/ Summary: This website ... Dogwood anthracnose), Septoria leaf spot, and powdery mildew. Concerning Discula anthracnose, it discusses symptoms, cycle, cultural control, chemical control, and resistance. Four pictures are provided to ...
www.cals.ncsu.edu

Snow Mold
... nivale, Sclerotinia borealis, non-sclerotial low temperature basidiomycete (LTB), and sclerotial low temperature basidiomycete (SLTB). SYMPTOMS These fungi cause damage in the fall and in spring when snow covers the ... it is especially severe in years when a heavy and persistent snow falls on unfrozen ground. Symptoms show up in early spring with the appearance of irregular patches of dead turf. Also ...
gardenline.usask.ca

GROUND COVERS
... GROUND COVERS AJUGA Ajuga reptans Root Knot Nematode (nematode - Meloidogyne incognita): Ajuga is very susceptible to ... and Stem Rot (fungus - Rhizoctonia solani): The fungus may attack roots, stems and lower leaves. symptoms on lower leaves first appear on those leaves in contact with the soil. Affected leaves ...
plantpathology.tamu.edu

Fire Blight Symptoms
... this orchard next year. Canker Margin Symptoms Canker margin symptoms can appear before or after bloom. These symptoms appear near over wintering cankers. ... Early symptoms are oozing at the graft union. Later healthy leaves on the tree will turn yellow or red as the above ground ... small and they are easy to find. These symptoms are visible as shoot blight symptoms become common in the orchard. The small ...
www.canr.msu.edu

These listings are filtered
View all for ground symptoms