Sacramento Valley Orchard Source

How are we doing on chill so far this year? Because there is not a CIMIS station close to Yuba City, Janine Hasey calculates chill based on a temperature recorder at the UCCE office in Yuba City. Chill data will be updated weekly.

Almond bloom diseases require specific conditions for infection – susceptible tissue, moisture, conducive temperatures – and these are often all present during bloom. Appropriate material choice, application timings and coverage are critical to minimize losses. Keep reading for susceptibility and treatment information for the primary spring diseases in almond production.

Allan Fulton, UCCE Irrigation and Water Resources Advisor, Tehama, Colusa, Glenn & Shasta Counties; Luke Milliron, UCCE Orchards Advisor, Butte, Tehama & Glenn Counties

The dormant winter season is a time when evapotranspiration (ET) is low and it is an opportunity to refill the soil profile in your orchards prior to the ...

Implementing a herbicide strategy to control the weeds that have survived your summer control program, as well as the newly emerged winter weeds, is a task that exemplifies starting with a clean slate in 2019.

Fully dormant walnut trees are a relatively frost tolerant crop. Fully dormant mature trees can tolerate temperatures to the low 20’s (°F) or below. However, if the first one or two freeze events have lows down to around 28° F, damage will likely ensue.