Gardeners, this week we are discussing Asian Citrus Greening and Citrus Canker and how we can recognize each of the two citrus diseases. There are numerous plant diseases that may attack citrus trees, ...

Q: I saw your newspaper column and wondered if you could help me. A year ago I lost a grapefruit tree. It started with one branch rotting and continued to the trunk of the tree. Now the back branches ...

While most trees, including citrus trees, benefit from staking after planting, stakes can do serious damage if they’re installed incorrectly or left on the tree for too long. Knowing how to stake up ...

The California Department of Food and Agriculture Thursday declared a new citrus quarantine in Valley Center after detecting the citrus tree disease known as Huanglongbing — or citrus greening — in ...

5 things to do in the garden this week: 1. Begin to fertilize citrus trees now for maximum flowering and fruit development. Jack Christensen, who authored the things to do column for many years until ...

Experimental design of nitrogen (N) fertilizer application of potted citrus seedlings. From July 2020 to March 2021, potted seedlings were acclimated to moderate N, followed by the application of low, ...