New February 2006

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Contents

• Botany
• Cultivar selection
• Transplant production
• Planting in the high tunnel
• Row covers
• Soil management and fertilization
• Irrigation
• Pollination
• Pruning
• Trellising Harvest and yield
• Marketing
• Pest management
• Aphids
• Bacterial wilt
• Cucumber beetles
• Powdery mildew
• Spider mites
• Thrips
• Whiteflies
• References
• Melon and watermelon seed sources
• Sources of high tunnels (hoophouses)

Related pages

• M170, High Tunnel Tomato Production
• MX384, Midwest Vegetable Production Guide for Commercial Growers

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High Tunnel Melon and Watermelon Production

Bacterial wilt

Figure 23
Bacterial wilt causes vine collapse of melons.

D. Egel

Bacterial wilt (Erwinia tracheiphila) is a serious disease of melons. Watermelons are resistant to this disease. Bacterial wilt is transmitted by spotted and striped cucumber beetles that feed on melon foliage. Infected plants exhibit leaf wilting followed by vine collapse (Figure 23). Plants are most often infected at early stages of growth.

Control of bacterial wilt in a high tunnel begins with control of cucumber beetles. Scout regularly for cucumber beetles. Use a systemic insecticide that provides 36 days of cucumber beetle control. Row covers will protect the plants from early-season feeding by cucumber beetles. There are currently no melon cultivars resistant to bacterial wilt.

M173, new February 2006