Search Plant Disease Handbook

Strawberry (Fragaria spp.)-Gray Mold (Fruit Rot) See: Strawberry Cultivar Susceptibility Cause Botrytis cinerea, a fungus that overwinters as sclerotia or dormant mycelia in old leaves, petioles, and mummified fruit. Plants from nurseries can also be a so ...

Strawberry (Fragaria spp.)-Leaf Scorch See: Strawberry Cultivar Susceptibility Cause Diplocarpon fragarie, a fungus that overwinters on old infected leaves. The disease is frequent in northern Idaho and western Oregon and Washington. Conidia are produced ...

Strawberry (Fragaria spp.)-Leather Rot See: Strawberry (Fragaria spp.)- Crown Rot Cause The fungal-like organism Phytophthora cactorum causes a subtle fruit rot of strawberry that imparts off flavors and smells in both fresh and processed berries. It appe ...

Strawberry (Fragaria spp.)-Nematode, Dagger See: Strawberry (Fragaria spp.)- Virus Diseases Cause Xiphinema americanum and related species are vectors of Tomato ringspot virus. Dagger nematodes are migratory ectoparasites found only in soil. As virus vect ...

Strawberry (Fragaria spp.)-Nematode, Root-knot Cause Meloidogyne hapla, a nematode that lives in soil and attacks many other kinds of plants. Root-knot nematodes are sedentary endoparasites where only second-stage juveniles (the infective stage) and adult ...

Strawberry (Fragaria spp.)-Nematode, Root-lesion See: Strawberry (Fragaria spp.)- Black Root Rot Complex Cause Pratylenchus penetrans and P. crenatus, nematodes that live in soil. The nematodes migrate through and feed in the root cortex. The surrounding ...

Strawberry (Fragaria spp.)-Nematode, Stem and Bulb Cause Ditylenchus dipsaci, a nematode that infects aboveground portions of plants but rarely is found in strawberry. Symptoms Plants are stunted from the crown with short, thick petioles. The disease is m ...

Strawberry (Fragaria spp.)-Powdery Mildew See: Strawberry Cultivar Susceptibility Cause Podosphaera aphanis var. aphanis (formerly Sphaerotheca macularis f. sp. fragariae), a fungus that overwinters on infected plant tissue including living leaves. This f ...

Strawberry (Fragaria spp.)-Red Stele See: Strawberry Cultivar Susceptibility Cause Phytophthora fragariae var. fragariae, a soil-infesting fungus-like microorganism that may live many years in fields. It is active in cool, wet weather. It attacks roots so ...

Strawberry (Fragaria spp.)-Slime Mold See: Lawn and Turf- Slime Molds ...