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Pruning wound protection: How to reduce the impact of canker diseases

As we approach winter in the Sacramento Valley and almond trees enter dormancy, pruning becomes a top priority for many growers. Rain events are strongly correlated with the spread of fungal canker pathogens whose primary infection sites are pruning wounds. Results from sampling over 140 almond orchards found 21 different fungal pathogens associated with these canker diseases. While the pathogens differ in biology, there are common approaches to prevent infections.

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Postharvest irrigation in a dry autumn?

It is important to consider irrigation of perennial tree crops leading up to dormancy to foster carbohydrate storage in the trees and to guard against the occurrence of freezing temperatures in dry orchards putting them at more risk to cold injury.

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Sacramento Valley Post-Harvest Almond & Walnut IPM Workshop - Nov 22, Chico

Join a panel of your Sacramento Valley Area IPM and Farm Advisors to hear about the latest research updates, 2019 field observations, and discuss key production and pest management issues in almonds and walnuts as we wrap up the season and look toward 2020!

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Navel orangeworm on a walnut

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Prune Rootstocks & Bacterial Canker Susceptibility

Survival is the number one priority of a new orchard planting. Bacterial canker plagues many young prune orchards and rootstock selection can make a major impact on bacterial canker susceptibility. Learn which rootstocks have 100% survival in a UC prune rootstock trial at a high bacterial canker pressure site.

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Almond Variety Planting Trends

With the right varieties, a new almond orchard should be profitable for at least 20 years. Many decisions contribute to successfully meeting that target. One key decision is variety selection. Knowledge of the current and past variety planting trends of almonds in California may be helpful in this decision. 

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  • Upcoming Events

    1. Jan
      07

      UCCE Yuba-Sutter Almond Meeting

      January 07, 2020
    2. Jan
      21

      UCCE Northern Sacramento Valley Almond & Walnut Meeting

      January 21, 2020
    3. Jan
      22

      UCCE Colusa Almond Meeting

      January 22, 2020

    View Full Events List

Almonds

Cultivars & Rootstocks, Diseases - Foliar, Diseases - Trunk & Soil Borne, Horticulture, Insects & Mites, Irrigation, Pollination, Vertebrates, Weed Control, Year-Round Management

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Prunes

Bloom Management, Diseases, Horticulture, Insects & Mites, Irrigation, Weed Control, Year-Round Management

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Walnuts

Cost and Expense Considerations in a Lean Price Year, Diseases, Flood Damage, Horticulture, Insects & Mites, Irrigation, Walnut Orchard Development, Weed Control, Year-Round Management

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Photos from the Field

Photos and field diagnoses from farm calls and other trips into local orchards.

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Manuals

Lengthier but in-depth resources for management and troubleshooting.

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