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Pest/Disease Management

Identifying Insect Pest Damage Through Harvest Sampling

With almond and walnut harvest underway, it is a good time to review harvest nut sampling strategy and protocols for the best estimation of field loss by common pests. It is a general understanding that the grade sheet from your processers only represents about half of what is  going on in the field. Also, the whole sum percent damage from …

Progress on Navel Orangeworm Sterile Insect Technique Research

Most tree nut growers have heard about the sterile insect technique research underway to combat Navel Orangeworm, the number one pest threat to almond and pistachio growers.  But what is the progress on this program and how soon can we expect to see these sterile insects released on a large scale to support California growers?  Watch this brief interview with …

More USDA Walnut Purchases Requested Amidst Pandemic

Representative Josh Harder (CA-10) today led a bipartisan letter to United States Department of Agriculture (USDA) Secretary Sonny Perdue, asking him to use his authority to utilize all purchasing authorities to buoy the struggling walnut industry. The walnut industry – based exclusively in California – has seen prices plummet in the last two years to near or below the costs …

Recurrent Selection with Glufosinate at Low Rates Reduces Italian Ryegrass Resistance

Italian ryegrass is a major weed in orchards, vineyards, field crops, and fallow fields of California (Figure 1). Several different herbicides are used to control ryegrass and had been effective in reducing infestations until resistance evolved in many populations following repeated use of the herbicides. To date, resistance to glyphosate, paraquat, and some ACCase and ALS inhibitors has been confirmed …

Oregon Department of Ag Approves New Herbicide Use for Young Hazelnut Orchards

The Oregon Department of Agriculture (ODA) has approved SLN No. OR-200011, a Special Local Need registration under FIFRA Section 24(c), to allow use of the Albaugh, LLC product Quinstar® 4L, EPA Reg. No. 42750-169, for control of field bindweed and other weeds in hazelnuts (non-bearing only) grown in Oregon. The label and completed EPA Form 8570-25 for this SLN are …

$8 Million for Navel Orangeworm Sterile Insect Program

The U.S. House of Representatives Appropriations Committee recently released an appropriations bill that included $8 million for the facility in Phoenix, AZ that is currently being used to rear sterile navel orangeworm (NOW) for aerial release in California. The facility is part of an area-wide pilot program that the pistachio and almond industries have been interested in developing. For 2020, …

Resources for Employers Amidst COVID-19 Outbreaks at Ag Facilities

Almond Alliance of California – There have been multiple COVID-19 outbreaks at agricultural facilities and operations throughout the State.  Several of the outbreaks in agricultural areas have been reported in farmworker housing facilities, fields and processing facilities.  CalOSHA, Department of Health Services and the Attorney General’s office have been engaged in situations with multiple positive cases.  Many of our peer …

Pistachios Added to Coronavirus Food Assistance Program

Today, U.S. Secretary of Agriculture Sonny Perdue announced an initial list of additional commodities that have been added to the Coronavirus Food Assistance Program (CFAP), and that the U.S. Department of Agriculture (USDA) made other adjustments to the program based on comments received from agricultural producers and organizations and review of market data. Producers will be able to submit applications …

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