What's wrong with my plant? Give us your feedback

Strawberries >Whole Plant > Stunted plant

1 of 6
  • Image: Black Root Rot 1

    Credit: C. Behrendt, U of MN

  • Image: Black Root Rot 2

    Credit: M. Ellis, Ohio State University

  • - CLICK PHOTOS TO ENLARGE -

green arrowBlack Root Rot
Rhizoctonia sp. Pythium sp. and Fusarium sp.

  • After first year, plants in a field showing reduced vigor, often in low or wet spots or in areas where the soil is compacted
  • Roots appear ‘rat tailed’ and do not have fine fibrous root hairs
  • Irregular black patches occur along the length of the fleshy white roots
  • Interior of infected older woody roots turns black
  • Common in areas where strawberries have been grown for many years
  • More information on Black Root Rot...
2 of 4
  • Image: Red Stele 1

    Credit: SCRI-Dundee Archive, Bugwood.org

  • Image: Red Stele 2

    Credit: SCRI-Dundee Archive, Bugwood.org

  • Image: Yellow Nutsedge 2

    Credit: SCRI-Dundee Archive, Bugwood.org

  • - CLICK PHOTOS TO ENLARGE -

green arrowRed Stele
Phytophthora fragariae

  • Plants start wilting and dying in the lower portions of the strawberry planting
  • Roots appear ‘rat tailed’ and do not have fine fibrous root hairs
  • Root tips are soft, discolored and rotten
  • If the white root above the rotten tip is cut lengthwise, the root core (or stele) will appear to be dark red
  • Common and most destructive in heavy clay soils or low wet areas
  • Favored by cool, wet spring weather
  • More information on Red Stele...
3 of 6
  • Image: Nitrogen Deficiency 1

    Credit: T. McCamant, Northland Comm. College

  • - CLICK PHOTOS TO ENLARGE -

green arrowNitrogen Deficiency

  • Leaves turn yellow, most obvious on older, lower leaves
  • Plants grow slowly, produce few leaves and daughter plants
  • Plant produce few and small berries
  • Common in sandy soils
  • More information on Nitrogen Deficiency...
4 of 6
  • Image: Winter (Cold Weather) Injury 1

    Credit: T. McCamant, Northland Comm. College

  • - CLICK PHOTOS TO ENLARGE -

green arrowWinter (Cold Weather) Injury

5 of 6
  • Image: Glyphosate Herbicide Injury 1

    Credit: T. McCamant, Northland Comm. College

  • - CLICK PHOTOS TO ENLARGE -

green arrowGlyphosate Herbicide Injury

  • Yellowing appears suddenly, and is restricted to the veins
  • Plant appears stunted because of small leaves crowded close together
6 of 6
  • Image: White Grubs 1

    Credit: T. McCamant, Northland Comm. College

  • Image: White Grubs 2

    Credit: T. McCamant, Northland Comm. College

  • - CLICK PHOTOS TO ENLARGE -

green arrowWhite Grubs
Phyllophaga spp.

  • Plant is stunted, will wilt, and eventually dies
  • Grubs feed on roots throughout the summer months
  • Grubs have a white body color, brown head capsule, and c-shaped body
  • Occurs in plantings that were previously grassy
  • Adults do not feed on strawberries
  • More information on White Grubs...

Don't see what you're looking for?