Skip to main content

Category: Fruits & Vegetables

  Q:  What is wrong with my citrus tree?  I see little white flies whenever I get near the fruit or leaves.  I turned some of the leaves over and saw these orange specks.  Is this an insect or a disease?

Whitefly fungi

A:   Actually the orange spots you see are neither an insect nor a disease. The spots are beneficial fungi which attack the young stationary stage (pupae) of a common citrus pest called the white fly. The white fly… Read More

Fact Sheet: Satsuma Mandarin

Satsuma Mandarin

    Scientific Name: Citrus unshiu Marcovitch Common Name: In most citrus producing areas, satsuma mandarin is the preferred name, but satsuma tangerine is also use.   Satsumas are grown in cool subtropical regions of Japan, Spain, central China, Korea,… Read More

Fact sheet: Grapefruit


  The grapefruit (Citrus × paradisi), is a subtropical citrus tree known for its sour  fruit, an 18th-century hybrid first bred in Barbados. When found, it was named the “forbidden fruit”; it has also been misidentified with the pomelo or shaddock (C. maxima), one of the parents of this hybrid, the other… Read More