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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Swiss Chard > Plant Wilts

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Swiss Chard > Whole plant > Plant Wilts

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  • Image: Plum Curculio 1
  • Image: Plum Curculio 2
  • Image: Plum Curculio 3

Flea Beetles
Disonycha xanthomelas, Systena blanda, and Phyllotreta spp.

  • Heavy feeding may cause wilting
  • Adult feeding on leaves creates shallow pits and small, irregular holes giving it a "shot hole" appearance
  • Adults are small (1/16 to 1/8 inch long), and vary in color from black, bronze, bluish, or brown to metallic gray, while some species have stripes
  • Present throughout the growing season
  • More information on Flea Beetles
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  • Image: Obliquebanded Leafroller 1
  • Image: Obliquebanded Leafroller 2

Green Peach Aphid and Turnip Aphid
Myzus persicae, Lipaphis erysimi

  • Feeding by larger numbers of aphids can cause curling, stunting, and wilting of leaves
  • Feeding by small or moderate numbers of aphids usually does not cause visible symptoms
  • Small insects (1/10th inch long), pear-shaped, usually greenish; clustered on underside of leaves
  • Active during spring and summer
  • More information on Green Peach Aphid and Turnip Aphid
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  • Image: White Rot 1
  • Image: White Rot 2
  • Image: White Rot 3

Root Rot Complex
Pythium spp., Rhizoctonia solani, Aphanomyces cochlioides

  • Sunken brown spots on fruit, can grow to rot part or all of fruit
  • Fruit rot is soft, watery and extends to the core of the apple
  • Small blister like spots on branches exude, watery fluid
  • Branch infections grow to cracked, flakey, orange canker
  • Leaves on girdled branches wilt, die and turn brown
  • More information on Root Rot Complex

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