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 […]

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