New Walnut Rootstocks (2025)

Dr. Pat J. Brown (UC Davis) discusses exciting new clonal rootstocks being developed by a team of UC and USDA researchers. Pat is looking for growers to trial these new clones, in particular K3 an exciting new rootstock that has produced good growth, yield, and very low crown gall. You can contact Pat at pjbrown@ucdavis.edu. Please also CC your local UCCE walnut farm advisor.

Photo: Chandler (L) Paradox seedling, (R) RX1 in Glenn County rootstock trial

Come to an upcoming extension meeting!

In the Sacramento Valley:

North Sac Valley Groundwater and SGMA is on Tuesday, June 24

Save the date for Prune Research Tour Part 2 on Tuesday, July 15 

In the San Joquin Valley:

The Almond Board of California is hosting a Production Summit on Wednesday, June 18 where you can hear from researchers on advances in almond production research.

The views, thoughts, and opinions expressed are the speaker’s own and do not represent the views, thoughts, and opinions of the University of California. The material and information presented here is for general information purposes only. The "University of California" name and all forms and abbreviations are the property of its owner and its use does not imply endorsement of or opposition to any specific organization, product, or service.

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Thank you to the Almond, Pistachio, Prune, and Walnut Boards of California for their kind donations. Thank you to Muriel Gordon for the music.