Archive for the ‘Plant Problems’ Category
      African Fig Fly  Zaprionus indianus Gupta
      By lavender at Apr. 5. 2013. with No Comments
      Posted in: Plant Problems

      Gardeners who grow fruit, especially small fruits such as cherries, blueberries, blackberries, strawberries and raspberries, might be seeing a new invasive pest this summer. According to Penn State researchers the African fig fly (Zaprionus indianus Gupta) has been found in Adams, Clearfield Dauphin, and York Counties. The African fig fly entered the country through ports...

      Impatiens and Mildew
      By lavender at Apr. 4. 2013. with No Comments

      A number of northern gardeners lost impatiens during the last growing season due to infected plants that were greenhouse grown or came in from the south.  Typically impatiens (Impatiens walleriana) exhibited yellow leaves, which turned brown and dropped. Fuzzy, white patches were visible on the bottoms of the leaves before the leaves disappeared. Ultimately, the...

      An Old Mildew and a New Mildew
      By lavender at Oct. 2. 2012. with No Comments
      Posted in: Plant Problems

      Most gardeners are familiar with powdery mildew.  This is the white patchy fungus that shows up on phlox and bee balm late in the season. We also see it on squash and occasionally on tomatoes.  Among the annuals zinnias are particularly susceptible. In severe cases the leaves become distorted, brown and drop off. It thrives...


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