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Citrus greening disease, or Huanglongbing (HLB), is deadly, incurable, and the most significant threat to the citrus industry. Most HLB research focuses on the tree canopy, but scientists in California studied the impact of HLB on root systems.

Most of the nut acreage in California can be found in the Central Valley. There you can find almonds, pistachio, pecans, and walnuts, however what you won't find is the macadamia tree.

So I've gotten a few calls lately about this vine with a big green pod that is growing in lemon trees. What is done with it and how do you get rid of it? Araujia sericifera, cruel vine, moth plant, bladderflower is an escaped ornamental that has become an invasive weed in California.

UC IPM revised the weeds, nematodes, plant growth regulators, and diseases sections of the Citrus Pest Management Guidelines! Learn how to manage diseases like anthracnose, bacterial blast, bot gummosis, brown rot, dry root rot, phytophthora gummosis and many more! Check out the new huanglongbing an...

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