FAQ: Mold, Mildew, & Fungi

I want to grow beautiful tomatoes every year, but they always rot. What can I do?

Begin spraying the plants soon after first bloom with a good fungicide such as Bravo, Maneb, Mancozeb, or Zineb. Spray in the morning. When irrigating, never wet the entire plant. For complete pest control, mix Sevin and Cygon at the recommended rates with the fungicide and spray every seven days until you're tired of tomatoes.

What fungus is a common problem in greenhuses in the winter and causes a foliage blight?

Botrytis cinerea.

What are some non-chemical methods that will help control the fungus disease in the previous question (Botrytis cinerea)?

(1) Remove the damaged plant material. (2) Increase plant spacing and/or increase ventilation to decrease the relative humidity around the plants (3) Increase the...