# Weekly Tree Nut Report: Red Leaf Blotch Across Sac Valley, Carpophilus in Walnuts, Fresno Pistachios

> A University of California advisor reports red leaf blotch, a foliar almond disease, across the northern Sacramento Valley. Survey traps also caught the invasive carpophilus beetle in orchards, and navel orangeworm activity has nearly stopped at monitoring stations.

- Date: 2026-11-11 · published 2026-11-12T06:08:29.209Z
- Category: disease · region US · magnitude low
- Page: https://feedsoft.ai/events/94966-weekly-tree-nut-report-red-leaf-blotch-across-sac-valley-carpophilus-in-walnuts
- Commodities: [Almond Hulls](https://feedsoft.ai/c/ALMHULLS.md)

## Why it matters

Spreading almond disease and pest pressure could eventually reduce California nut yields and raise orchard management costs. Near-term effects on feed commodity prices are minimal.

## Sources

- myaglife.com: https://myaglife.com/2026/11/11/weekly-tree-nut-report-november-11-2026/

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.