Economics

After 100 years, Cornell University Plant Pathologists Revisit Fire Blight Hypothesis

Historically credited as being the first bacterium ever characterized as a plant pathogen, fire blight is a bacterial disease that leads to significant losses of pear and apple. The role of insects in the spread of this disease has been long studied. In a new study, plant pathologists based at Cornell University and Cornell AgriTech take a hypothesis that has …

Oak Tree Mulch Study to Help Suppress Citrus Disease

University of Florida Institute of Food & Agricultural Sciences – Florida citrus growers who face the most severe citrus disease in history notice how citrus trees under oak tree hammocks appear to tolerate the disease. Lukas Hallman believes oak trees may hold a compound that boosts the citrus trees’ ability to tolerate the disease. Hallman is a graduate student at …

U.S. Blueberry Growers Form New Alliance to Seek Import Remedies

Blueberry growers across America today established a new coalition, the American Blueberry Growers Alliance, to seek relief from rising imports that are harming their businesses. The Alliance will provide information and support to an ongoing U.S. International Trade Commission (ITC) investigation into the serious injury caused by increased imports of fresh, chilled and frozen blueberries under Section 201 of the …

$6.3 Million to Help UC Riverside Save Avocado Orchards

New grants totaling $6.3 million will help UC Riverside solve problems facing American avocado orchards, including a lethal fungal disease called Laurel Wilt. Laurel Wilt can destroy an entire avocado orchard in a couple of weeks once symptoms develop. It is already present in Florida. Without effective treatments, it will inevitably spread to California, which is the nation’s leading producer …

Fire Blight in Pear: Getting to the Root of the Matter

Pear producers are turning to science in order to take a bigger bite out of the fruit market. U.S. pear production is only about one-seventh that of apple production. Reasons for this shortfall include relatively limited areas with a favorable growing climate; the large size of pear trees; and susceptibility to storm damage, climate change, and disease – particularly fire …

US Continues to Dominate Canadian Market for Fresh Apples, Pears & Table Grapes

The United States will remain the largest exporter of fresh apples, pears, and table grapes to the Canadian market in marketing year (MY) 2020/21. FAS/Ottawa forecasts a five percent growth in Canadian apple production for MY 2020/21 with fewer weather-related challenges. A reduction in the marketed production of Canadian pears and table grapes is anticipated as a result of weather …

2020 CA Avocado Acreage & Condition Report

To ensure the California Avocado Commission can make informed marketing and budgeting decisions, it has partnered with LandIQ to conduct statewide spatial land use surveys via digital satellite imagery, aerial photography and analytical tools. This data is compiled in a comprehensive land use database and an annual summary is prepared. The 2020 Statewide Avocado Acreage and Conditional Analysis is now available …

CA Avocado Commission Reduces Assessment Rate & Elects New Leaders

At the October 7, 2020 meeting, the California Avocado Commission Board of Directors took action to approve the assessment rate for the upcoming 2020-21 fiscal year, reducing the assessment rate to 1.75% of the gross dollar value of fruit sold. The new assessment rate is effective from November 1, 2020 through October 31, 2021. The CAC Board and management are …

Progress Toward Greening-Resistant Citrus Trees

University of Florida scientists achieved a major milestone in their quest to develop a citrus greening-resistant tree by sequencing the genome of a fruit plant that’s a close cousin to citrus trees. You’d need to print 54,000 pages of copy paper to see the complete genome sequence. But within it, scientists believe they’ve found genes to lay the groundwork to …

Autonomous Robot to Sample Leaves and Measure Water Potential

Every backyard gardener knows how hard it can be to tell when to water the plants. Multiply that by tens or hundreds of acres and it’s easy to see the challenges growers face keeping their crops healthy while managing water resources wisely. To determine water needs accurately, growers hand-pluck individual leaves from plants, put them in pressure chambers, and apply …

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