Diseases Viruses Tomato mosaic Tomato spotted wilt Wilts - - PowerPoint PPT Presentation

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Diseases

• Early blight
• Septoria leaf spot
• Bacterial speck/spot

Leaf Diseases

• Tomato mosaic
• Tomato spotted wilt

Viruses

• Fusarium/Verticillium

Wilts

Early blight, image by W.R. Stevenson, apsnet.org Septoria leaf spot, image by Paul Bachi, Univ. Kentucky, Bugwood.org Bacterial speck, image by Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org

Leaf Diseases

Tomato mosaic, image by Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org Tomato spotted wilt, images by William M. Brown Jr., Bugwood.org

Viruses

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Fusarium wilt, image by Edward Sikora, Auburn University, Bugwood.org Fusarium wilt, image by Clemson University - USDA Cooperative Extension Slide Series , Bugwood.org Verticillium wilt, image by Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org

Wilts

Basic Disease Control Techniques

• Keep foliage dry – irrigation, dew, rain
• Fungicide spray program
• In fall:
• Discard heavily infected plants - don’t

compost

• 3-4 year rotation

Leaf Diseases Leaf Diseases

• Remove infected plants ASAP
• Next year
• Resistant cultivars – Verticillium (V),

Fusarium (F1, F2)

• Wilts – 3 to 4 year rotation at minimum

Viruses & Wilts Viruses & Wilts

Insects

• Two-spotted spider mites

Leaf Damage

• Hornworms
• Fruitworms, aka corn earworm
• Stink bugs

Fruit Damage

Two-spotted spider mites, image by Ric Bessin, University of Kentucky Entomology Spider mites, image by Clemson University - USDA Cooperative Extension Slide Series , Bugwood.org

Leaf Damage

Two-spotted spider mites, image by Ric Bessin, University of Kentucky Entomology

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Tomato/tobacco hornworm, image by Eric R. Day, Virginia Polytechnic Institute and State University, Bugwood.org Fruitworm, image by R.L. Croissant, Bugwood.org Stink Bug damage, image by Ontario Crop IPM Green stink bug, Frank Peairs, Colorado State Univ., Bugwood.org

Fruit Damage

Garden Pest Control Products

• Carbaryl (Sevin)
• Permethrin (Eight)
• Spinosad (Monterey Garden Insect Spray, Captain Jack’s

Dead Bug Brew)

• Bacillus thuringiensis (Monterey BT, Bonide BT)

Insecticides:

• Liquid copper (Bonide Liquid Copper)
• Chlorothalonil (Bonide Fung-onil, Fertilome Broad

Spectrum Landscape & Garden Fungicide)

• Mancozeb (Bonide Mancozeb)
• Neem oil (Bonide Neem Oil, Garden Safe Fungicide-3,

Garden Safe Neem Oil Extract)

Fungicides:

Abiotic Problems

Water stress fruit cracks, image by M.E. Bartolo, Bugwood.org Blossom end rot, image by Sarah Browning, Nebraska Extension Sunscald, image by Howard F. Schwartz, Colorado State University, Bugwood.org

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