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: Starting Spring Irrigation – Too Much Too Soon? Apr 12, 2021

🕔Apr 12, 2021
Walnuts are generally regarded as very sensitive to water stress. Severe stress and defoliation can occur when irrigation is reduced in the summer or discontinued entirely for harvest. Since walnuts […]

California Walnuts: Phytophthora Root and Crown Rot, Paradox Canker Disease Mar 23, 2021

🕔Mar 23, 2021
Phytophthora crown and root rots and Paradox canker disease are difficult to detect until the above- ground parts of the tree show symptoms, which usually appear at later stage of […]

California: Nut Industry Underwrites 4 UC Researchers Jun 8, 2020

🕔Jun 8, 2020
Four staff research associates will join the ranks of UC Cooperative Extension scientists in the coming months to support nut crop advisors conducting critical research in walnut, almond and pistachio […]

California Pistachios, Walnuts: Leaf-Out Problems – What’s Going On? May 8, 2020

🕔May 8, 2020
Since mid-April, many advisors up and down the Valley have been receiving calls about unusual leaf-out in pistachio and walnut. The Sacramento Valley has certainly been experiencing this. In pistachios, […]

California Tree Crops: Postharvest Irrigation in a Dry Autumn? Nov 25, 2019

🕔Nov 25, 2019
Almond, prune, and walnut harvests are behind us, what postharvest irrigation(s) have you put on your orchard? Rainfall has been absent in October and November (as of this writing). Despite […]

California Tree Crops: Suterra Announces New NOW Control Product Nov 4, 2019

🕔Nov 4, 2019
Suterra today announced the launch of CheckMate Puffer NOW Ace, a new aerosol pheromone formulation for season-long Navel Orangeworm (NOW) control in almonds, pistachios, walnuts, figs and other crops where […]

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 […]

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