phytophthora cryptogea

Listing 1 - 7 from 7 for phytophthora cryptogea

ASTER
... fungicides will reduce disease incidence. Planting in wet, poorly drained areas should be avoided. Foliar fungicides should be applied at the first sign of disease and continued at 7-10 day intervals. Foot Rot (fungus - Phytophthora cryptogea): A rapid, permanent wilting of the leaves and a brownish-black discoloration appears on the lower portion of the ...
plantpathology.tamu.edu

AZALEA
... just before flower buds open and at 10 day intervals until flowering ceases. Remove and burn affected parts. Root and Crown Rot (fungus - Phytophthora cryptogea): Affected plants may wilt suddenly and die or they may be unthrifty if only a portion of the root system is infected. A brown discoloration of the wood may be seen in the basal portions of the ...
plantpathology.tamu.edu More from this site

Diseases of African Daisy (Gerbera jamesonii H. Bolus ex J. D. Hook)
... Schlechtend.:Fr. Fusarium wilt Fusarium oxysporum Schlechtend.:Fr. Nectria canker Nectria haematococca Berk. & Broome Phyllosticta leaf spot Phyllosticta sp. Phytophthora crown and root rot Phytophthora cryptogea Pethybr. & Lafferty Phytophthora parasitica Dastur Powdery mildew Erysiphe cichoracearum DC Sphaerotheca sp. Pythium root rot Pythium spp. Rhizoctonia root and crown rot Rhizoctonia ...
www.apsnet.org

Diseases of African Violet (Saintpaulia ionantha Wendl.)
... cassiicola (Berk. & M. A. Curtis) C. T. Wei Phytophthora root and crown rot Phytophthora nicotianae Breda de Haan var. parasitica (Dast.) Waterh. Phytophthora nicotianae Dastur var. nicotianae (Breda de Haan) Tucker Phytophthora cryptogea Peth. & Laff. Powdery mildew Oidium sp. Link, nom. cons. Pythium root rot Pythium sp. Pringsh., nom. cons. Rhizoctonia root and crown rot Rhizoctonia sp. D.C. ...
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Department of Plant Pathology Plant Disease Facts
... . Apply etridiazole or etridiazole + thiophanate methyl to protect healthy plants. Phytophthora Crown Rot Plants wilt suddenly. Leaves brown. Roots are rotted and a crown rot develops. Phytophthora cryptogea Plant in pasteurized potting media. Avoid overhead watering. Apply etridiazole or etridiazole + thiophanate methyl to protect healthy plants. Powdery Mildew White, powdery fungal growth spots ...
www.ppath.cas.psu.edu

Phytophthora Root Rot of Raspberry, HYG-3207-98
... rot is caused by several related species of soilborne fungi belonging to the genus Phytophthora. To date, P. megasperma, P. cryptogea, P. citriocola, P. cactorum, and at least two additional unidentified ... without ever coming into contact with field soil. Such plants pose little risk of introducing Phytophthora fungi into the field. To minimize your risk of setting out contaminated plants, use only ...
ohioline.osu.edu

Department of Plant Pathology Plant Disease Fact Sheets
... a manner that keeps leaf surfaces dry and does not splash from plant to plant. Phytophthora Crown Rot Crowns and roots have a dark, water-soaked appearance. This spreads to the ... and leaf blades. Leaves remain firmly attached as the plant collapses. Phytophthora nicotianae var. parasitica; P. nicotianae var. nicotianae; P. cryptogea Do not propagate from infected plants. Pot in pasteurized media ...
www.ppath.cas.psu.edu