The Winter 2026 issue of “Topics in Subtropics” highlights recent developments and research in subtropical agriculture. The publication includes articles on irrigation practices and water management for avocados, asphyxiation, cellulase activity in mulches, a guava pest alert, and the use of bees to identify sunblotch. It also presents field trial results from citrus thrips insecticide research and announces three upcoming workshops.
UC Agriculture and Natural Resources (UC ANR), which produces this newsletter, is affiliated with the University of California and applies university expertise to support communities across the state through research and outreach initiatives (official website). UC ANR enhances lives statewide by sharing science-based practices and delivers knowledge to boost well-being and economic opportunities (official website). The organization builds collaborations for effective approaches in farming, environmental conservation, wildfire protection, nutrition, food networks, and youth education. For over a century, it has maintained local offices in all 58 California counties along with nine Research and Extension Centers serving as living laboratories in diverse ecosystems (official website).
Glenda Humiston serves as vice president of UC Agriculture and Natural Resources (official website).