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Pest/Disease Management

How to Prevent Mold in Walnut

Did you see moldy walnuts in the orchard last season? Let’s not let that spoil the crop this year.  Watch this brief interview with UC Plant Pathologist Themis Michailides as he briefly provides some key points on mold prevention and read more about it in Pacific Nut Producer Magazine… Please thank this video’s sponsor Trece for their industry support.  

Managing Phytophthora Diseases in Almond: Aerial, Root & Crown Rot

There are three ways Phytophthora can injure an almond tree. Watch this brief interview with Kern County Area Orchard Systems Advisor Mohammad Yaghmour as he helps growers identify and manage Aerial Phytophthora, Root & Crown Rot.  Read more about it in Pacific Nut Producer Magazine. Please thank this video’s sponsor Trece for their industry support.

A New Microscopic Almond Pest of Concern

Another pest in almonds? Just what we needed, right? Only this one you can’t see.  Almond growers have been dealing with nematodes for a long time; however, the peach root knot nematode is new to California almond orchards.  Watch this brief interview with UC Riverside Nematologist Andreas Westphal as he explains and read more about it in Pacific Nut Producer Magazine. …

Potassium Nutrient Management in Almonds & Pistachios

So how much potassium does an almond or pistachio orchard need? How and when should it be applied? Watch this brief interview with UCCE Orchard Systems Advisor Phoebe Gordon as she shares some facts and considerations for growers to maintain a healthy orchard and prevent potassium deficiencies. Read more about best practices for orchard management in Pacific Nut Producer Magazine. …

Navel Orangeworm Winter Sanitation Considerations

Winter sanitation is a critical step in your Navel Orangeworm IPM programs. But when should you start and is it enough just to shake those mummy nuts off of the trees? Watch this interview with Bob Klein from the California Pistachio Research Board as he shares some key insights growers should consider when approaching winter sanitation and read about it …

$12 Million to Eradicate an Invasive Rodent of Unusual Size

You may have heard of them in the comedy film Princess Bride as “Rodents of Unusual Size”, but this is the real thing — only not so large and formidable.  Nutria were originally introduced into the United States as part of the fur trade in the late 1800s, but were eradicated from California in the 1970s.  They made a sudden …

CA Court Rules Insects Not Protected by Endangered Species Act

The California Superior Court in Sacramento has ruled the California Endangered Species Act (CESA) does not cover insects and that bees cannot be classified as fish. The Court issued its final ruling on Nov. 19, 2020. The Almond Alliance of California, in collaboration with seven other agricultural groups, filed suit with California Fish and Game Commission in response to a …

Grower Survey to Address Future Innovations in Weed Management

Weeds can be a significant problem in berries, tree fruits, tree nuts, and vine crops (e.g. grapes, hops, etc.) especially after transplanting and during flowering and fruit and nut set. Herbicides are a primary tool for managing weeds, even though the evolution of herbicide resistance has limited the utility of many products and off-target movement can sometimes result in damage …

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