Topics in Subtropics

The rootstocks Bitters', Carpenter' and Furr citrandarins were developed at the USDA Date and Citrus Station in Indio, California.

Citrus huanglongbing (HLB) is a destructive disease with no known cure. To identify sources of (HLB) resistance in the subfamily Aurantioideae to which citrus belongs, we conducted a six-year field trial under natural disease challenge conditions in an HLB endemic region.

View List of Newsletter Issues | Return to Topics in Subtropics In this issue: Revisiting an old study on high density citrus orchards Shoot and Twig Dieback in Citrus Alternative Crops or ......

A new ruling from CDFA to modify the announcement from March 2.

Below is a brief description of the new pest, followed by CDFA's analysis. Olive bark beetle (Phloeotribus scarabaeoides) Prepared by Dr. G.