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California Walnuts: Monitoring for Walnut Scale

California Walnuts: Monitoring for Walnut Scale

👤By Dani Lightle, University of California 🕔Mar 28, 2017

Increased incidences of scale have been observed in Sacramento Valley walnut orchards for upwards of 10 years. Reasons for scale increases in walnut are not entirely known. Commonly, when a secondary pest emerges as a problem, it is because something

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California Walnuts: Dormant Monitoring and Pest Treatment Decisions

California Walnuts: Dormant Monitoring and Pest Treatment Decisions

👤By Dani Lightle, University of California 🕔Mar 27, 2017

Dormant monitoring helps to decide whether to pursue treatments of some pests (primarily scales and mites) in the dormant or delayed dormant period. This timing can be quite effective. Coverage tends to be very good since there are no leaves

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California Tree Crops: Flooded Orchards – What to Do and Available Resources

California Tree Crops: Flooded Orchards – What to Do and Available Resources

👤From University of California Cooperative Extension 🕔Mar 20, 2017

In our counties, there are two main issues that are related to the 2017 storms: Orchards outside the levees along the rivers that are or have been flooded from river seepage due to high river flows and/or overflowing ditches/canals. Orchards

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Global Markets: Tree Nuts – Almond Stocks Lowered, Walnut Stocks Raised

Global Markets: Tree Nuts – Almond Stocks Lowered, Walnut Stocks Raised

👤From USDA 🕔Feb 17, 2017

Almonds Global almond production for 2016/17 is unchanged from the October 2016 forecast of 1.2 million metric tons (tons) shelled basis. Global exports are revised 10,000 tons higher to 727,000 and imports are raised 12,000 tons to 670,000. With consumption

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California Almonds: Chilling Hours Update – Yuba City

California Almonds: Chilling Hours Update – Yuba City

👤By Janine Hasey, University of California Cooperative Extension 🕔Feb 2, 2017

The last few years have been highly variable, both in terms of winter chill accumulation and spring bloom and leaf-out behavior. The winter of 2015-2016 had moderate-to-high chill accumulation in the Sacramento Valley and leaf-out in the spring was tight

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California Walnuts: When Should You Apply the 1st Irrigation of the Season?

California Walnuts: When Should You Apply the 1st Irrigation of the Season?

👤By Franz Niederholzer, University of California Cooperative Extension 🕔Feb 1, 2017

Wet soils for extended periods after leaf out can result in yellow trees due to a cold root zone and low soil oxygen levels. Spring rains can be responsible for wet soils and yellow leaves; that can’t be avoided. However,

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California Almonds: Changes in Cropping and Irrigation Patterns

California Almonds: Changes in Cropping and Irrigation Patterns

👤By Allan Fulton, University of California Cooperative Extension 🕔Sep 23, 2016

How have the cropping patterns changed in the northern Sacramento Valley? The most recent land use surveys by the California Department of Water Resources indicate approximately 982,500 acres of irrigated or potentially irrigated cropland in the Northern Sacramento Valley counties

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California Walnuts: Oilless Nuts

California Walnuts: Oilless Nuts

👤By Danielle Lightle, University of California 🕔Sep 7, 2016

Early splitting husks in walnuts are oilless nuts. They can be recognized by the early husk split and dark pellicle with white nut meat. Below are some images comparing oilless Chandler nuts with ‘normal’ Chandler nuts from the same tree.

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California: Almond Harvest in Full Swing, Walnuts, Pistachios Should Begin Soon

California: Almond Harvest in Full Swing, Walnuts, Pistachios Should Begin Soon

👤From USDA 🕔Aug 30, 2016

Crop Progress and Condition for the Week Ending August 28, 2016. WEATHER Last week had a warm summer-like start, with noticeable cooling taking place over the weekend. Monday brought showers in the Sierras with a few isolated heavy downpours that

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California: Almond Harvest Underway, Walnuts Close Behind

California: Almond Harvest Underway, Walnuts Close Behind

👤From USDA 🕔Aug 23, 2016

Crop Progress and Condition for the Week Ending August 21, 2016. WEATHER Another hot week across the State, with nearly all locations below 4,500 feet and inland from the northern coast reaching 90 degrees. Highs were 70s-90s in the mountains

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