Kern County

Topics in Subtropics Newsletter

News from the Subtropical Tree Crop Farm Advisors in California
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Volume 25, Spring 2024

July 11th, 2024
Effectiveness of Asian citrus psyllid management in huanglongbing treatment zones in residential Southern California Managed honeybees in a wet year Threats to citrus orchards in California by synergistic effects of dry root rot and phytophthora root and crown rot Microbial Safety in Avocado Farms H...
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Volume 23, Spring 2023

May 16th, 2023
Avocado Sunblotch Viroid Disease and Challenges to Tackle Citrus yellow vein clearing virus, a new citrus pathogen identified in the San Joaquin Valley of California A pictorial guide to rind scarring damage on mandarins and sweet orange published! Insects in Common to Avocado and Introduced Habitat...
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Volume 23, Winter 2023

February 22nd, 2023
Introducing Fatemeh Khodadadi Assistant Professor of Extension and Plant Pathologist Agave Mites: A Tiny Menace New pest in young avocado orchards Planting Avocados One, one hundred, one thousand UCR Citrus Day, March 2, 2023...
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Volume 22, Fall 2022

September 28th, 2022
Mycorrhizae: An Underground Support Network for Trees Notes on Applying Gibberellic Acid (GA3) to Navel Orange and other Citrus in the San Joaquin Valley of California Saline Waters - A Growing Problem 35th Anniversary of the Nematode Quarantine Facility at the University of California Riverside...
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Volume 22, Summer 2022

July 22nd, 2022
Natural enemies have significantly suppressed Asian Citrus Psyllid populations in southern California Synergized IPM of Argentine and biocontrol of sap sucking pests with biodegradable hydrogels, infra-red sensors, and cover crops in commercial citrus orchards Irrigation Stress and Early-Navel Fruit...
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Volume 22, Spring 2022

June 10th, 2022
Phytophythora diseases associated with citrus in California Is it root rot? Or? The 12 signs of Avocado Root Rot New avocado irrigation study GEM vs Hass?
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Volume 20, Summer 2021

September 23rd, 2021
Black Fig Fly, New invasive pest Branch canker and dieback diseases associated with citrus in California Caloptilia, no longer a new pest Link to Volume 20, Summer 2021...
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Volume 19, Spring 2021

May 6th, 2021
Progress in Developing Mechanical Harvesting for California Black Ripe 'Manzanillo' Table Olives Developing a Nitrogen Fertilizer Plan for Olive Orchards Should I Pay for Avocado Pollination Services? Collaboration is Key to Saving Kern County Citrus Are Finger Limes Just Another Fad?
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