Citrus

Tarped Against Asian Citrus Psyllid

Researchers at the California Data Analysis and Tactical Operations Center (DATOC) have analyzed Asian citrus psyllid (ACP) trapping data along major transportation routes before and after tarping regulations for bulk citrus shipments were enacted. The purpose was to determine the effectiveness of the policy. DATOC is an independent group of scientists sponsored by the Citrus Research Board and the California …

CA Citrus Mutual Joins Group to Speed CA’s Shift to Safer Pest Management

Yesterday, the California Department of Pesticide Regulation and California Department of Food and Agriculture launched a broad new work group to accelerate the systemwide adoption of safer, sustainable pest control practices. The 25-member Sustainable Pest Management Work Group includes farmers, community members, university researchers and representatives from commodity groups and the pesticide industry. They are charged with identifying pathways to …

Valencia Orange Production Forecast At 20 Million Cartons

The March 2020-21 Valencia orange forecast is 20.0 million cartons. This forecast was based on the results of the 2020-21 Valencia Orange Objective Measurement (O.M.) Survey, which was conducted from January 11 to February 28, 2021. Estimated fruit set per tree, fruit diameter, trees per acre, bearing acreage, and oranges per carton were used in the statistical models estimating production. …

New Study Indicates High Prune Diet Prevents Bone Loss After Traumatic Injury

As part of the California Prune industry’s long-time commitment to world-class nutrition research, a new, peer-reviewed animal study shows a diet high in California Prunes completely prevents bone loss associated with spinal cord injury (SCI), while also restoring a fraction of the bone lost after SCI. Individuals who suffer spinal cord injury (SCI) are prone to extremely rapid bone loss. …

Monitoring Stem Water Potential in Citrus (Case Studies)

Reliable and valid information about plant water status is a critical input variable for optimizing citrus orchard growth. Precisely managing citrus water stress during all phenological stages enables maximized production by: avoiding drought stress during flowering and fruit sets; achieving appropriate sugar levels; and maintaining fruit quality by, for example, avoiding peel creasing for example. Controlled water status can best be …

Novel Treatment Causes Killer Citrus Disease to Leak & Die

New research affirms a unique peptide found in an Australian plant can destroy the No. 1 killer of citrus trees worldwide and help prevent infection. Huanglongbing, HLB, or citrus greening has multiple names, but one ultimate result: bitter and worthless citrus fruits. It has wiped out citrus orchards across the globe, causing billions in annual production losses. All commercially important …

Yellow Leaves In Spring Indicative Of Need To Adjust Nutrient Management

California Avocado Commission — In spring, as California avocado trees begin to bloom, growers often report seeing yellow leaves at the ends of branches of otherwise healthy trees. Dr. Danny Klittich, of Redox, recently posted an online article about the yellowing of leaves in spring, what this indicates, and what growers can do to remedy the situation. When avocado trees begin producing …

Preventing & Managing Wind Damage In CA Avocado Groves

California Avocado Commission — When it comes to potential wind damage, California avocado growers typically face two different scenarios: chronic wind exposure or severe wind events. Avocado trees housed in windy portions of a grove are often stunted and underperform production wise.  They also may be water stressed, which will impact the uptake of minerals, and their roots may be stressed …

South Africa Ramps up Grapefruit & Mandarin Exports to US

The production of South African citrus, mainly soft citrus, new orange varieties, lemons and limes is forecast to continue its strong growth in the 2020/21 Marketing Year (MY), based on the increase in area planted, improved yields, high level of new-plantings coming into full production, and the minimal impact of COVID-19 on labor and input supply. Duty free exports of …

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