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Statice (Limonium spp.)-Anthracnose Cause Colletotrichum gloeosporioides (sexual: Glomerella cingulata), a fungus that survives on infected plants and plant debris. Some reports indicate the fungus may be seedborne. Wet weather and overhead irrigation fav ...

Statice (Limonium spp.)-Flower Blight See: Greenhouse Plants, Ornamental- Gray Mold Cause Botrytis cinerea, a fungus that overwinters in infected plants and debris. A moist, humid environment is ideal for pathogen sporulation and spread. Spore dispersal i ...

Statice (Limonium spp.)-Viruses Cause Turnip mosaic virus has been reported from California for the perennial Limonium perezii. This disease has been sap- and aphid-transmitted to L. sinuatum. The disease spread rapidly, producing irregular patterns in th ...

Stock (Matthiola spp.)-Bacterial Blight Cause Xanthomonas campestris pv. incanae, a bacterium that persists in the soil, on or in seed. A vascular disease of the main stem and lateral branches. It often extends into leaf petioles and seed peduncles. Bacte ...

Strawberry (Fragaria spp.)-Alkali Yellows Cause Alkali yellows is caused by strongly alkaline soil, which can make iron or manganese unavailable to plants. Although soil pH may be the main problem, iron could be lacking in the soil or in a form unavailabl ...

Strawberry (Fragaria spp.)-Anthracnose Cause Several Colletotrichum spp. can cause various anthracnose diseases of strawberry. C. acutatum has been found by the OSU Plant Clinic. This is now considered a species complex where C. nymphaeae predominates on ...

Strawberry (Fragaria spp.)-Armillaria Root Rot See: Blackberry (Rubus spp.)- Armillaria Root Rot ...

Strawberry (Fragaria spp.)-Black Root Rot Complex See: Apple (Malus spp.)- Replant Disease Strawberry (Fragaria spp.)- Charcoal Rot Cause A complex interaction of many fungi, nematodes, and poor soil characteristics. Organisms or factors involved in one a ...

Strawberry (Fragaria spp.)-Common Leaf Spot See: Strawberry Cultivar Susceptibility Cause Ramularia grevilleana (sexual: Mycosphaerella fragariae), a fungus that overwinters on old infected leaves and as sclerotia. Conidia are produced abundantly in lesio ...

Strawberry (Fragaria spp.)-Crown Rot See: Strawberry (Fragaria spp.)- Leather Rot Cause The fungal-like organism Phytophthora cactorum causes a rot of the strawberry crown. It appears to be different from the same fungus that causes leather rot. Oospores ...