Tag: California Fresh Fruit Magazine

  • How Berry Growers Put Dairies’ Plentiful Waste Products to Use

    Dairy farmers generate nutrients in the form of cattle manure. Neighboring raspberry and blueberry farmers import nutrients in the form of fertilizer to maximize production.

    To improve the nutrient loop, Washington State University assembled a team of scientists to study how berry growers can put dairies’ plentiful waste product to a use in their fields. “We want to connect those industries,” said Chris Benedict, a WSU Extension specialist.“If it works, then that will lower the risk of nutrients entering into the environment, encourage farmers in different industries to work together closely, and hopefully help everyone economically.”

    The project required scientists who are familiar with fertilizers, as well as food scientists, economists, and small fruit specialists. WSU has experts in every field, and the team came together to do the work. The results of the project can be found on WSU’s Center for Sustaining Agriculture and Natural Resources (CSANR) web site.

    The main concern about using biofertilizers on food crops is the potential of introducing foodborne pathogens. Dairy manure is a good source of nutrients for crops, but could potentially carry foodborne pathogens. To prevent illness, dairy manure is subjected to different treatments prior to field application to reduce pathogen levels and meet safety standards.

    “There has to be zero risk for berry farmers,” Benedict said. “We were pretty sure the process is safe, but we needed to prove that. So working with food scientists was key. And we had to make sure the cost/benefit worked out, since farmers are running businesses.”

    Meijun Zhu, professor in the WSU School of Food Science, performed food safety testing, while Joe Cook, associate professor in the WSU School of Economic Sciences, examined economic feasibility.

    Benedict works with small fruit producers and has collaborated with dairy farmers on projects focused on anaerobic digestion, as well as nutrient recovery technologies that generate biofertilizers derived from dairy manure. The combined processes have shown a significant reduction in foodborne pathogens in previous research.

    Considering the Economic Impact

    Biofertilizers are a relatively new product, so there isn’t much market research available, Cook said. The economics team designed a survey for local berry farmers to find out who would use them and how much they would be willing to pay.

    “Not surprisingly, cost was a major factor, the less the cost the more likely farmers were to switch,” Cook said. “The survey also instructed growers to assume the product is safe for food crops in the hypothetical, but they still commented on that aspect repeatedly. Clearly people are very concerned about that aspect of the project.”

    Keeping People Safe

    To ensure human safety, researchers had to test the biofertilizers in the field. Benedict collaborated with local small fruit farmers who donated parts of their fields for testing plots. The team applied multiple different biofertilizers to raspberries and blueberries. “We’re lucky, we have really great collaborators who were willing to sacrifice a full season of crops in several fields,” Benedict said.

    Then the berries in each test plot were carefully harvested and sent to Zhu’s lab in Pullman. “This was a big project and teamwork was very important,” Zhu said. “Everything had to be coordinated, so we talked with Chris Benedict’s team about how to properly and randomly collect samples in multiple berry fields.”

    Pathogens can spread unevenly in a single field, so truly random sampling is required to make sure the data is correct, she said.

    Zhu’s team didn’t find any pathogens harmful to humans in their testing. The processed biofertilizers are safe to apply to food crops, hopefully leading to a closing of that nutrient loop in Whatcom County and benefitting farmers and consumers around the country.

    In addition to Benedict, Zhu, and Cook, the WSU team also consisted of Betsy Schacht, Karen Hills, Chad Kruger, Georgine Yorgey, Lina Sheng, and Xiaoye Shen. This project was funded by the USDA Natural Resources Conservation Service, Conservation Innovation Grants program, and the Washington State Department of Agriculture Specialty Crop Block Grant Program. – By Scott Weybright, Washington State University College of Agricultural, Human & Natural Resource Sciences

    Check out a video explaining the research on YouTube

  • CDFA Seeking New Grower Representative for Citrus Pest & Disease Prevention Committee

    The California Department of Food and Agriculture (CDFA) is seeking a grower representative with operations in the Fresno County area to sit as a member on the Citrus Pest and Disease Prevention Committee. The Committee advises the CDFA Secretary on activities associated with the statewide citrus specific pest and disease work plan that includes – but is not limited to – outreach and education programs and programs for surveying, detecting, analyzing, and treating pests and diseases specific to citrus.

    Committee members receive no compensation but are entitled to payment of necessary travel expenses in accordance with the rules of the Department of Personnel Administration. The term for one grower representative from Fresno County expires on Sept. 30, 2023. Applicants should have an interest in agriculture and citrus pest and disease prevention. Individuals interested in being considered for a committee appointment should send a resume by Feb. 15, 2021 to the California Department of Food and Agriculture, Citrus Pest and Disease Prevention Division, 1220 N Street, Sacramento, California 95814, Attention: David Gutierrez.

    For additional information on the committee vacancy, contact: David Gutierrez, Branch Chief, Citrus Pest and Disease Prevention Division at (916) 274-6300, or e-mail David.Gutierrez@cdfa.ca.gov.

  • U.S. Blueberry Farmers Testify to ITC of Import Harm

    Members of the American Blueberry Growers Alliance (ABGA), a group representing U.S. domestic blueberry farmers, today provided information to the U.S. International Trade Commission (ITC) during a hearing on the impact of rising imports during the U.S. growing and harvest seasons. American blueberry growers across the country – mostly small, family-run farms – have been devastated by an influx in blueberry imports by 75 percent in the past five years, according to U.S. import data.

    “Because of booming domestic demand, we should be enjoying a market in which there is room for both domestic and foreign growers to profit,” said Jerome Crosby, Chairman of the ABGA Board of Directors and owner of Pineneedle Farms in Willacoochee, Georgia. “However, foreign government policies targeting the United States market and large corporate import interests have combined to bring massive volumes of blueberries into our market, increasingly during periods that in the past provided growers with the bulk of their revenues and often all of their profits for the year.”

    “The massive increase in Mexican imports during our harvesting season has crippled the Florida blueberry industry and threatens its very existence,” said Brittany Lee, Executive Director of the Florida Blueberry Growers Association and owner of Florida Blue Farms. “Over the period 2009 to 2019, we saw imports from Mexico increase by 2,111 percent. We have experienced a significant decline in price per pound for fresh blueberries in Florida, and a huge loss of market share.”

    Farmers said the U.S. blueberry industry has made extensive marketing efforts over many years to educate purchasers and consumers about blueberries, which has increased demand. “Foreign producers are taking the benefit of those efforts, in some instances by creating industries out of nothing and exploiting cheap labor and poor environmental regulation overseas,” said Rex Schultz of Heritage Blueberries in Bangor, Michigan and President of the Michigan Blueberry Advisory Committee. “Producers in foreign countries are totally dependent on our market, and they have every incentive to keep shipping more and more product here. This is not a sustainable situation for the American blueberry farmer.”

    Imports have also had a devastating effect on blueberry farmers in Western states. “Ten years ago, imports filled an important role by ensuring supply of fresh berries in the few months is no longer the case,” said Jayson Scarborough, a blueberry farmer in Central California. “Imports from Mexico and Peru, in particular, now enter our market throughout our harvesting period in California. Prices for these imported berries are extremely low, which means that when we begin to sell our harvests, the price point has already deteriorated significantly due to the presence of large volumes of imported fruit in the market.”

    Farmers said that massive amounts of fresh blueberries coming in from Mexico and South America often arrive without a buyer. “Peruvian product can arrive in massive shipments, with hundreds of thousands and even millions of pounds of perishable fresh blueberries on one ocean-going vessel that has been in transit at least two weeks before being unloaded at U.S. ports,” said Shelly Hartmann, owner of True Blue Farms in Grand Junction, Michigan. “When these blueberries are released all at once onto the fresh market, they cause prices to crater. This pushes domestic production of blueberries grown for the fresh market into the frozen market.”

    In addition, several members of Congress also testified before the ITC in support of American blueberry growers, including Reps. Austin Scott (R-Ga.), Bill Huizenga (R-Mich.), Earl L. “Buddy” Carter (R-Ga.), Gregory Steube (R-Fla.) and John Rutherford (R-Fla.).

    The U.S. International Trade Commission (ITC) is conducting a global safeguard investigation into imported fresh, chilled or frozen blueberries under Section 201 of the Trade Act of 1974. The ITC will determine if the dramatic increase of foreign berries is “a substantial cause of serious injury, or the threat thereof” to American blueberry growers.

    About American Blueberry Growers Alliance

    American Blueberry Growers Alliance (ABGA) is a national association representing blueberry growers and farmers in the United States. ABGA provides a unified voice for blueberry growers in states across the country, including California, Florida, Georgia and Michigan, advocating on behalf of their interests and for the long-term viability of the domestic blueberry industry. For more information, visit: americanblueberrygrowers.com.

  • 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 Economics.

    A worker prunes weak tree branches to improve sunlight penetration in a high-density avocado orchard.

    Avocado has been one of the prominent crops produced in Southern California since the early 1950s. California avocado production peaked in 1987-88 with about 76,300 acres. San Diego had been the leading producer accounting for about 60% of the acreage.

    “Beginning in the early 1980s, there has been a continuous decline of acreage and production of avocados in San Diego County, said Etaferahu Takele, UC Cooperative Extension farm management advisor for Southern California and co-author of the study. “This is mainly because of the expansion of urban development that has increased the cost of producing the crop and especially the cost of water, reaching to up to $2,000 per acre feet in 2020.”

    The same amount of water was sufficient for the high-density avocados as it was for the traditional planting (Photo by Gary Bender).

    High-density planting increases profitability of avocado production given there is suitable land for high-density orchard development.

    Although the cost of water accounts for 44% of the total production cost in the high-density planting, the water cost is proportionally less than in the conventional planting of 145 trees per acre when distributed over a higher yield per acre, the authors write.

    Their cost analysis describes production operations for avocados planted at 430 trees per acre, with an expected life span of 40 years. The study includes a detailed summary of costs and returns and a profitability analysis of gross margin, economic profit and a break-even ranging analysis table, which shows profits over a range of prices and yields. Growers can identify their gross margin and returns to management based on their yield and prices received.

    UC Cooperative Extension advisor Gary Bender checks sunlight penetration in a high-density avocado orchard.

    Input and reviews were provided by a UC Cooperative Extension farm advisor and grower cooperators in San Diego County. The authors describe the assumptions used to identify current costs for avocado establishment and production, material inputs, cash and non-cash overhead.

    The new study, “Avocado Establishment and Production Costs and Profitability Analysis in High Density Planting, San Diego County-2020,” can be downloaded for free from the UC Davis Department of Agricultural and Resource Economics website at http://coststudies.ucdavis.edu and UCCE Riverside County Farm Management website at https://ucanr.edu/sites/Farm_Management/Costs_and_Returns. Sample cost of production studies for many other commodities are also available on the websites.

    For additional information or an explanation of the calculations used in the studies, refer to the “Assumptions” section of the report or contact Takele at (951) 683-6491 Ext. 243 or ettakele@ucanr.edu or Donald Stewart at the UC Agricultural Issues Center at destewart@ucdavis.edu— By Pamela Kan-Rice, UCANR

  • First CLas-Positive Asian Citrus Psyllid Found in San Diego

    An Asian citrus psyllid (ACP) sample – confirmed positive for Candidatus Liberibacter asiaticus (CLas), the bacteria that causes Huanglongbing (HLB) – was collected from a residential property in the Fallbrook area of San Diego County. Confirmed by Citrus Research Board’s Jerry Dimitman Laboratory, this adult psyllid sample is the first CLas-positive ACP found in San Diego County.

    While the first confirmation of a CLas-positive ACP in San Diego County is concerning, as of today, HLB has not been detected in any San Diego County trees but surveying and sampling of area trees is ongoing. This find signals a critical time for homeowners and growers alike to continue to control ACP populations to stop the potential spread of this deadly disease, as oftentimes a CLas-positive ACP precedes the detection of an HLB-positive tree.

    The HLB quarantine zone will not be expanded as a result of this CLas-positive ACP detection and CDFA staff is swiftly conducting surveys and collecting samples from HLB host plants that are located within a 250-meter radius around the find, per the ACP/HLB Action Plan.

    While treatment is not mandatory for area commercial growers as a result of the detection, San Diego County commercial growers who have additional questions can contact Sandra Zwaal, San Diego County Grower Liaison, at szwaal2@gmail.com.

    CLICK HERE for additional information from Citrus Pest and Disease Prevention Program (CPDPP) Citrus Insider.

    Source: Citrus Pest and Disease Prevention Program (CPDPP) Citrus Insider

  • 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 been more or less ignored for 100 years and provided support for its validity.

    Fly feeding on the ooze droplet in the experimental chamber (Photo by Matthew Boucher).

    According to first author Matthew Boucher, the study describes a long hypothesized but never experimentally supported transmission mechanism for fire blight. Boucher and colleagues show that flies in an apple orchard can acquire the bacterial agent (Erwinia amylovora) of fire blight from sugary droplets exuding from diseased apple trees and subsequently transmit the bacterium to uninfected shoots so long as those shoots are damaged in some way.

    “This transmission mechanism is mechanical, the bacterium does not appear to have a close evolutionary relationship with any given insect and may seem inefficient to an unsuspecting observer,” explained Boucher. “However, we show that the massive populations of E. amylovora in the sugary droplets exuding from trees allow flies to acquire enough bacteria for the population to persist in and on flies for as long as seven days in some cases.”

    Flies can continually shed bacteria over the course of those seven days, resulting in multiple opportunities for a single insect to initiate an infection.

    “Demonstrating that bacterial populations can survive within the insect is important because previous research largely discounted E. amylovora survivability within an insect.” More research is needed, especially under field conditions, but this is an exciting step toward understanding the diversity of interactions between plants, insects, and phytopathogens.

    “We also show that insects do not need to have intimated, co-evolved relationships with plant pathogens to be important agents in the disease cycle. There are only one or two similar pathogens in documented research, but there are likely more out there that need to be studied to advance our knowledge of this end of the disease-vector spectrum,” Boucher said when asked what makes his work groundbreaking. “As a collective work, we show the importance of integrating historical literature into modern research and revisiting topics and hypothesis that may not have been technologically feasible to investigate when they were first proposed.”

    This work is a foundational study that will provide excellent context for future researchers interested in the topic. For more information, read “Interactions Between Delia platura and Erwinia amylovora Associated with Insect Mediated Transmission of Shoot Blight” published in PhytoFrontiers.

  • 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 the University of Florida Institute of Food and Agricultural Sciences Indian River Research and Education Center (UF/IFAS IRREC) in Fort Pierce, in the heart of the world’s premier grapefruit production region. The disease, Huanglongbing, or HLB, is caused by a bacterium and vectored by the invasive insect, the Asian citrus psyllid. Once infected, trees have a reduced fine root mass, yellowing of leaves, and smaller and bitter tasting fruit. In the U.S., the disease’s common name is citrus greening, said Hallman.

    “Anecdotal reports from Florida growers claim that citrus trees growing within the drip line of large oak trees have minimal HLB symptoms, while trees nearby, but not under the oak drip line, show severe symptoms,” said Hallman.

    Oak Extract was Medicinal During American Civil War 

    In his literature review of scientific journal articles, Hallman found that compounds from white oak tree bark were used as antimicrobials during the American Civil War. Marco Pitino, a former UF postdoctoral researcher, published the first research study for oak tree extract used in the greenhouse against the bacterium. The work took place at IRREC. Pitino found oak extract would improve citrus trees’ ability to tolerate HLB in the greenhouse.

    “The literature review and Pitino’s greenhouse study were enough to form a viable hypothesis for a field study with oak mulch beds under citrus trees,” Hallman said. “Pitino’s work took place in a greenhouse. His findings need field tests, and we need an answer to help the local industry, which has seen their crops drop by 90% in the last 15 years,” said Hallman.

    Lorenzo Rossi, assistant professor of plant root biology at IRREC, is Hallman’s graduate research advisor. Rossi persuaded Hallman to apply for a Southern Sustainable Agriculture Research and Education (SSARE) graduate student grant to fund research of his hypothesis.

    Southern Sustainable Agriculture Research & Education Grant

    When Hallman began to write the SSARE grant, a large oak tree fell on the IRREC property in a 2019 hurricane. With funds from a UF/IFAS Horticultural Sciences Department A.H. Krezdorn Memorial Fund, and collaboration with Robert Shatters, a research molecular biologist with the U.S. Department of Agriculture, Rossi and Hallman prepared the tree for mulch. The researchers used it for a bed under citrus trees in a research grove. With the research infrastructure in place, Hallman began to take monthly data from the root rhizosphere under the oak-mulched citrus tree beds.

    Rossi said Hallman’s grant application was successful, and in the fall of 2020, he began work to fulfill the project’s objectives. The SSARE grant provides more than $12,000 for the 2-year study to determine if oak mulch will suppress citrus greening in the open field.

    “The oak mulch is easier to apply to trees than the oak extract,” said Rossi. “Through the research, we may find oak mulch soil amendments improve the soil and that the compounds in the mulch help citrus trees tolerate HLB.”

    The project, “Deploying oak mulch to contain and suppress HLB disease in citrus,” has three objectives: to determine the capability of oak mulch to contain and suppress citrus greening, to measure the effect of oak mulch on HLB-affected citrus physiology, root growth and development, and to study the effect of oak mulch on microbial life biodiversity within the rhizosphere. Hallman carries out daily data collection for the project. Those tasks include soil samples, soil respiration, photosynthesis measurement, and nutrition studies.

    Graduate student Lukas Hallman distributes oak mulch on citrus tree beds.

    “With the SSARE project, we are able to expand the research,” said Rossi. “In the future, we will need to identify which compounds are beneficial, where those compounds are in the trees, which oak species hold the specific compounds, and how much of the right compounds will control the disease.”

    One year into the project, Hallman said he found more nutrients in the root rhizosphere. Also, preliminary findings show that as the mulch breaks down, soil biodiversity increases.

    “More nutrients are available to the trees as a result of the mulch breaking down into the soil,” said Hallman. “The nutrients are potassium and phosphorus. We have also found that mulch improves soil texture. Improved soil holds more moisture and requires less irrigation.” Soil that holds more moisture enhances plant root health and the trees’ nutrient uptake, resulting in more fruit and a longer life for the trees, Rossi said.

    “The research is a collaboration with the USDA,” said Rossi. “It confirms that UF/IFAS and the USDA are committed to the development of ‘an out-of-the-box’ cure for HLB.”

    Longterm outcomes for the research are to improve economic profitability for growers, to improve environmental health by reducing chemical inputs, and to support the surrounding community. In the years from 2006 until 2011, HLB took more than 6,500 jobs from Floridians. Oak mulch could help restore some of those positions, said Hallman.

  • In Story of Blueberries & Bees, Scientists Play Matchmaker

    Chew on this the next time you eat a blueberry: Every single blueberry is the result of a flower that was pollinated by a bee. 

    In other words: No buzz, no berry. With that in mind, it’s no wonder blueberry growers bring in hives of honey bees or bumble bees when their blueberry bushes are in flower.

    “We are big believers in pollination on blueberries. We believe pollination helps increase berry size and weight and increases the overall crop yield,” said Ryan Atwood, co-owner of H&A farms, which owns, leases and manages more than 350 acres of blueberries in north and central Florida.

    But pollinating blueberries with bees isn’t an exact science — yet. Successful pollination depends on a variety of factors, such as when beehives are introduced or how much buzz a blueberry flower needs to release its pollen.

    Moreover, blueberry growers across the United States report that ineffective pollination is a top concern for their business, as it directly affects the amount and quality of product they can bring to market, said Rachel Mallinger, an assistant professor in the UF/IFAS entomology and nematology department who specializes in pollinators.

    This is why Mallinger and several other researchers from blueberry growing states have teamed up to develop recommendations and tools to help growers optimize pollination.

    In addition to Mallinger, the research team includes scientists from Michigan State University, Oregon State University and Washington State University. Rufus Issacs, a professor in the department of entomology at Michigan State University, will lead the project, which is funded by a $2 million grant from the National Institute of Food and Agriculture, part of the U.S. Department of Agriculture.

    “Some years blueberry pollination goes well, other years not so much, so we are looking to help growers take some of the guesswork out of it,” Mallinger said. “Our ultimate goal is to provide a tool we’re calling the pollination planner. The pollination planner will help growers decide how many bees to use and when to bring them in based on their location, climate, size of their farm, and varieties of blueberry they grow.”

    Ebony Taylor, front, then an undergraduate student in the UF/IFAS College of Agricultural and Life Sciences, and Jon Elmquist, former lab manager in Mallinger’s lab, looking at flowers on blueberry bushes. Images were taken prior to national guidelines of face coverings and social distancing. Photo by Rachel Mallinger

    Mallinger and her research team will partner with Florida blueberry growers, including Atwood, to run their field experiments. The Florida blueberry industry is a $60 million-a-year business, and this research on pollination will help support this growing commodity.

    “This research will help us understand the economic benefits of honey bees for pollination and what number of hives are needed to properly pollinate,” Atwood said.

    The multi-state project has several components, Mallinger said.

    “Our contribution in Florida will be to look at our modern southern highbush blueberry varieties and determine their pollination needs and what makes them attractive to bees. Some varieties need to be pollinated with pollen from a different blueberry variety to achieve optimal yields, while others are more self-compatible. Some varieties may hold on to their pollen tightly, others less so. Even the color or size of the flower, or how much nectar it produces, might impact how attractive that flower is to a bee,” she said.

    Identifying those traits is just the first step, Mallinger added.

    “Blueberry breeders are usually trying to develop varieties that have good taste, resistance to pests, things like that. But we don’t think about how likely a blueberry variety is to be pollinated. If we can identify those traits that led to more pollination, we can inform breeding efforts,” she said.

    Other researchers on the project will develop recommendations for the number of bees — called stocking density — needed to pollinate modern varieties of blueberry. Another component of the project will investigate how weather conditions, such as extreme heat, influence pollination success. — By Samantha Murray, University of Florida Communications

  • Stay Vigilant with Asian Citrus Psyllid Finds on the Rise

    In the past few months, we have seen sporadic Asian citrus psyllid (ACP) detections popping up across California. While the citrus industry’s efforts have thus far kept Huanglongbing (HLB) out of commercial groves, these recent ACP detections are a reminder that we cannot let our guard down. The most effective way to prevent the spread of HLB is to keep psyllids out of our orchards.

    After ACP detections in multiple counties (Kern, Madera, San Luis Obispo, Santa Barbara, Santa Clara, Tulare, Contra Costa and others) were confirmed earlier this fall — including areas with historically low ACP activity — the Citrus Pest & Disease Prevention Committee is encouraging all growers to stay informed, scout for ACP and treat when advised.

    The recommendations outlined in the Voluntary Grower Response Plan, developed collaboratively by growers and scientists, represent the most effective tools known to the citrus industry at this time and are meant to supplement the California Department of Food and Agriculture’s required regulatory response. You can help prevent the spread of ACP by following these best practices, participating in recommended winter treatments and ensuring haulers and transporters are tarping loads.

    While we should expect to see this type of “flare up” occasionally, we need to remain vigilant – even when things are quiet – to ensure we continue to stay on top of this elusive pest and the dangerous disease it spreads. The upfront cost to manage ACP is much less than the potential hit to our industry if HLB spreads throughout the state. To date, HLB has only been identified in backyard citrus trees in Los Angeles, Orange, Riverside and San Bernardino counties, and hasn’t made its way into a commercial citrus grove yet. To keep HLB out of commercial citrus, psyllid control is especially critical this season with warmer weather encouraging more pests.

    Here is what you can do:

    • Follow the best practices outlined in the Voluntary Grower Response Plan for Huanglongbing
    • Participate in treatment strategies recommended by the University of California (UC)
    • Adhere to tarping regulations that help keep pests from hitching a ride to new areas of the state

    Visit citrusinsider.org for more information and resources on the voluntary grower best practices, tarping regulations and UC treatment recommendations.

    Questions?
    Contact your regional grower liaison for the latest information on detections near you and coordinated or area-wide treatment schedules. Find your grower liaison here.

    Let’s work together to protect California citrus for your businesses, neighbors and generations to come.

    Sincerely,
    Jim Gorden
    Chair, Citrus Pest & Disease Prevention Committee

  • When the Lights Go on Again

    A message of light and hope for the New Year from the Publisher Dan Malcolm.  Watch this brief video and read his annual column HERE.