Topics in Subtropics

It's that time of year to see some drama in avocado orchards. Once healthy-looking trees can suddenly turn brown in a weekend and all the surrounding trees still look fine. And it can be quite common in some years along the coast.

Home is where the habitat is: This Earth Day, consider installing insectary plants Stephanie Parreira, UC Statewide IPM Program Help the environment this Earth Day, which falls on Sunday April 22 this year, by installing insectary plants! These plants attract natural enemies such as lady beetles, la...

As of March 27, 2018, foliar application of GA3 (ProGibb LV Plus, Valent BioSciences, Corp.) to Hass' avocado trees in commercial orchards has been approved. Dr. Carol J.

Two questions and comments came up last week about the use of mulch in orchards. The first is that mulch is two edged. It serves to combat erosion and root rot, but it can also burn. Mulch and wood piled up against tree trunks and near trunks can cause damage to those trunks.

For the past 18 months, a team led by University of California research entomologist Beth Grafton-Cardwell has been conducting an Asian citrus psyllid monitoring project to determine the efficacy of Ventura County's area-wide ACP suppression strategy. Based on her analysis of the survey data, Dr.