Home Tag Archives: UCCE (page 3)

Tag Archives: UCCE

New Avocado Study Outlines Costs & Returns of High-Density Plantings

Growers considering producing avocados in San Diego County with high-density plantings now have help to determine the economic feasibility. A new study on the costs and returns of establishing and producing avocados in San Diego County has been released by UC Agriculture and Natural Resources’ Cooperative Extension, UC Agricultural Issues Center and the UC Davis Department of Agricultural and Resource …

Broccoli Rotations Lower Pathogen Populations and Reduce Disease Incidence of Verticillium Wilt

In 1999, several UC researchers published foundational research in a paper titled, “Evaluation of broccoli residue incorporation into field soil for Verticillium wilt control in cauliflower.” Since this publication more than 20 years ago, many studies have further investigated this concept and many coastal growers, especially organic producers, have adopted broccoli rotations as a strategy for Verticillium wilt control. Today, …

Transform (sulfoxaflor) Full Label Could be a Major Benefit for Alfalfa IPM

The California Department of Pesticide Regulation is currently reviewing the use of Transform (sulfoxaflor) for insect pest management in alfalfa hay production. A decision on whether to register Transform with a label for use in California alfalfa is expected to occur by the end of 2020. The registration of Transform has been so far deferred due to concerns of potential …

Walnut Replanting Considerations in a Lean Price Year

When prices are lean walnut farming is tough business. Farm advisors are not economists or financial advisors. However, farm advisors can be useful in providing best practices for economically sustainable production. Two key economic decisions growers face are when to replant individual trees and when to remove and replant entire orchards. Learn from Dying Trees to Improve Management of the …

California Must Become a Fire-Adapted Civilization, UCCE Expert Says

The vast California acreage burned in 2020 and the protracted smoky skies should signal state residents and officials to adapt to a new reality, reported Ezra David Romero on Capital Public Radio. The 4 million acres of wildland burned this year isn’t unprecedented. Before 1800, 4.5 million or more burned every year in California, according to a UC Berkeley study. Tragic …

Managing Root-Knot Nematodes in Crop Rotations

A question came up about managing root-knot nematodes in processing tomato and lima bean rotations.  Root-knot nematodes are tiny worm-like soil dwelling pests that cause root galling on plant roots, resulting in significant yield and quality losses. Symptoms of severe root-knot infestations include patches of chlorotic, stunted, necrotic, or wilted plants. These nematodes also predispose plants to other soilborne pathogens …

Selecting the ‘Right’ Walnut Rootstock

Walnut rootstock options were historically seedlings, either Northern California Black (Juglans nigra), or Paradox (a cross between English Walnut, Juglans regia, and Northern California Black). Those two options still exist, but as research and technology advances in walnut cloning, clonal rootstocks are becoming more available. With this new advancement, growers have questions. Hopefully, I can  provide some answers. What is …

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