California Walnuts: Yellow Howard Problem Returns Oct 9, 2019

🕔Oct 9, 2019The 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, 2019A 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: Howard Nut Drop – What Happened? Jul 18, 2019

🕔Jul 18, 2019During about the second or third week in June, many Howard walnut trees experienced nut drop of perhaps as many as 100 nuts per tree, with many trees losing no […]

California Walnuts: Autumn Weed Control Options Nov 7, 2018

🕔Nov 7, 2018Implementing 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 […]

California Almonds: July Leaf Fertility Analysis Jun 15, 2018

🕔Jun 15, 2018As the bulk of your almond fertility program for the season comes to an end, it’s time to get the report card on how you did. Although little corrective action […]

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