Topics in Subtropics

Southern California The U.S.

Armillaria mellea is the pathogen that causes root rot of many forest and ornamental and agronomic trees. The pathogen occurs in landscapes and urban soils as well as a natural pathogen in forests and on lands converted to farming.

How the new neonic regulations impact your operations There are new neonicotinoid regulations effective starting Jan 1, 2024 to protect pollinators.

Plants, therefore avocados, go through different growth stages, so called phenological stages, regular periods where they grow and differentiate from seed to various vegetative stages, flowering and finally seed production.

Most commonly we associate the malformed fruit we see in lemons to citrus bud mite. But it can also occur on other varieties of citrus in Southern California, including in this case to tangelos. If there's enough fruit to bite into, it's still edible.