Citrus Archives - fruitmentor™

14 Nasty Citrus Diseases that You MUST Avoid

December 14, 2019 By Dan Willey Leave a Comment

Citrus diseases are a significant threat to our citrus trees in California and all citrus growing regions. I have made a video showing 14 of the nastiest ones and giving tips for avoiding them. Citrus tree diseases of great concern include Huanglongbing (HLB) or citrus greening, citrus tristeza virus, citrus stubborn disease, cachexia, exocortis, psorosis, citrus variegated chlorosis, citrus tatter leaf virus, leprosis, citrus leaf blotch virus, canker, sudden death, black spot, and chlorotic dwarf. The video also shows some of the insects and mites that spread diseases. These include Asian citrus psyllids, cotton aphids, brown citrus aphids, leafhopper insects, sharpshooter insects, and flat mites. The video includes citrus disease pictures and citrus pest pictures.

Below you will find the resources mentioned in the video.
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Growing Citrus Trees from Seed – from Harvesting Fruit to Germination

November 16, 2019 By Dan Willey Leave a Comment

This article shows the process of growing citrus trees from seed from harvesting the fruit and extracting the seeds all the way to germination.

Citrus Pests – Your Questions Answered by Dr. Monique Rivera

September 28, 2019 By Dan Willey Leave a Comment

In the following video on citrus pests, I visited Dr. Monique Rivera, a University of California entomologist to get answers to reader and viewer questions on citrus pests including Asian citrus psyllids and Argentine ants. Our discussion included both Asian citrus psyllid treatment to reduce the spread of HLB and also ant control for citrus trees. We discussed the Argentine ant in California and how to kill ants with a liquid ant bait. We also discussed a case of liquid ant bait not working and how to use liquid ant bait more effectively.

Below you will find the resources mentioned in the video as well as a transcript.
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Why does Huanglongbing (Citrus Greening) Spread so Rapidly? Answered by Dr. Neil McRoberts

September 14, 2019 By Dan Willey Leave a Comment

I recently visited the University of California, Davis in response to a reader's question about the rapid spread of huanglongbing disease (also know as citrus greening, HLB, or yellow dragon disease). Plant disease epidemiologist Dr. Neil McRoberts, a member of faculty at the plant pathology department at UC Davis, explains in the below video how the interaction between Asian citrus psyllids, liberibacter, and citrus trees causes this deadly citrus disease to spread so rapidly .

Please see below for resources related to huanglongbing and Asian citrus psyllids.