California Walnuts: June Orchard Management Considerations Jun 8, 2021

🕔Jun 8, 2021
Please note that the following are general recommendations intended to help you keep track of regular practices in a busy time; the optimal timing for management practices may vary based […]

California Walnuts: May Orchard Management Considerations May 4, 2021

🕔May 4, 2021
Please note that the following are general recommendations intended to help you keep track of regular practices in a busy time; the optimal timing for management practices may vary based […]

California Walnuts: April Orchard Management Considerations Apr 12, 2021

🕔Apr 12, 2021
Pistillate Flower Abscission (PFA): For varieties susceptible to PFA (especially Tulare or Serr), apply first ReTain® spray at 30 to 40% pistillate (female) flower bloom. The percent PFA and rate of […]

California Walnuts: Yellow Howard Problem Returns Oct 9, 2019

🕔Oct 9, 2019
The yellowing Howard problem is one specific instance of waterlogging induced root death. The yellow Howard problem was observed by Janine Hasey (UCCE Emeritus Sutter-Yuba and Colusa) during cool, wet springs […]

California Walnuts: Yellowing, Collapsing Trees? Might Be Water Logging. Oct 1, 2019

🕔Oct 1, 2019
A single yellowing walnut tree in an otherwise healthy orchard has been a frequent sighting when driving along the roadways of the Sacramento Valley this summer. These yellowing trees have […]

California Walnuts: Trees Take An Autumn Hit – Here’s What’s Known May 4, 2019

🕔May 4, 2019
From the northern San Joaquin Valley to the northern Sacramento Valley, walnut farmers and their consultants are reporting a widespread and alarming issue of walnut trees not leafing out this […]

California Walnuts: In A Lean Price Year, 3 Possible Ways To Economize Jan 15, 2019

🕔Jan 15, 2019
Since last summer, coffee shop talk has been centered on the low price of walnuts. We all hope to see improvement in pricing soon. Even if prices increase, there are […]

California Walnuts: Flooded Orchards – What We’ve Learned From Past Floods Apr 4, 2017

🕔Apr 4, 2017
Experiences with the 1986 and 1997 levee breaks in Yuba and Sutter Counties and other “high-water” events over the past thirty years afford us some expectations for the types and […]

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