Topics in Subtropics

A sure way to generate controversy among citrus growers is to initiate a discussion on navel orange tree pruning. Some growers maintain that yield and fruit size is best maintained by minimal pruning, while others believe that the number of large fruit is increased when trees are severely pruned.

INTRODUCTION When and how olives are harvested are among the most important factors in both the quantity and quality, and therefore value of processed table olives and olive oil.

Chemicals are often injected through irrigation systems, hence the name chemigation. When applied to fertilizers, it is called fertigation.

Armillaria Root Rot There have been a lot of new avocado orchards planted during the last few years. These often have been in old Valencia orchards or lemons that had poor production. In order to save money, growers have just cut the trees at ground level and replanted the avocados near the stumps.

Two programs at the University of California-Riverside are working together to provide information on new and existing varieties of citrus as well as information on other types of citrus diversity.