By Len Wilcox The Citrus Research Board’s (CRB) annual California Citrus Conference took place in October in Visalia. This year’s event included a celebration of the organization’s 50th anniversary. The CRB is an important resource to California’s citrus industry. It awards more than $7 million each year to researchers throughout the state. Since 2008, CRB has focused much of its …
Researchers to Study New HLB Treatment Method
University of California (UC) Davis research scientist Louise Ferguson is taking part in a $3.4 million project titled “Development of an automated delivery system for therapeutic materials to treat HLB-infected citrus.” The study is funded by the U.S. Department of Agriculture’s National Institute of Food and Agriculture. The four-year project includes work by researchers at the University of Florida, UC …
Evergreen Pro Emergency Use Approved in California
The U.S. Environmental Protection Agency (EPA) has approved an emergency authorization requested by California Citrus Mutual (CCM) to use Evergreen Pro 60-6 (EPA Reg. No. 1021-1770). It was temporarily approved as a post-harvest treatment option for all citrus in California to prevent the spread of Asian citrus psyllids, the vector for huanglongbing. CCM had requested that citrus growers be allowed to use …
Vigilance Keeps HLB at Bay
By Len Wilcox California agriculture has long kept a watchful eye on the spread of HLB (huanglongbing or citrus greening disease). It’s a firestorm on the horizon, and the devastation the disease has wrought in Florida and other parts of the world has the full attention of California citrus growers. Working closely with industry leaders and grower groups, federal, state …
Visalia ACP Find Was a Breeding Population
The Asian citrus psyllids (ACP) found last week in a residential area in north Visalia, California, were a breeding population, according to Greg Douhan, University of California Cooperative Extension farm advisor for citrus. The ACP were found in four locations in the city, not in close proximity to any agricultural operations. “Most of the findings found in the San Joaquin Valley …
Numerous ACP Found Near Visalia, California
A large population of Asian citrus psyllids (ACP) and nymphs were found in an older residential area northwest of Visalia, California, last week. With multiple life stages of ACP found, county and state officials have moved into eradication mode immediately. According to the Visalia Times-Delta, 250 ACP were found in four locations. California Citrus Mutual reported that up to 400 …
Program Helps Track Beehives in California Groves
A new program was created so growers know when beehives are on or near their fields, but some out-of-state beekeepers have not been participating in the mandatory program. California legislators have acted to correct this problem. Beekeepers will soon risk fines and penalties if they do not register with the state and file the appropriate notifications for the location and movement …
Guide to California’s 2019 Minimum Wage
California Citrus Mutual (CCM) has published a guide to the new minimum wage increases for agricultural employees that take effect Jan. 1, 2019, in California. Note that the rule for exemption from overtime has changed for agricultural workers. To maintain the exemption from overtime compensation, an exempt employee’s weekly salary must be no less than two times the applicable minimum …
High-Density Planting of Dwarf Citrus
By Len Wilcox Research into high-density citrus plantings is gaining momentum at both ends of the country. In a study funded by the California Citrus Research Board, scientists are evaluating the consumption of water and other inputs used by high-density dwarf citrus trees. The scientists want to determine costs while the trees are maintaining high production levels. In Florida, researchers …
As California HLB Detections Rise, Priorities Refocus
By Brian German A series of strategic planning sessions have helped to craft a more detail-oriented approach to address the spread of Asian citrus psyllid (ACP) and management of huanglongbing (HLB) detections. As of Oct. 9, there have been 906 positive HLB detections in California. “The real hot spot for us right now is Orange County. We’re finding a lot of HLB-positive …
California Citrus Research Board Chooses Interim President
The California Citrus Research Board (CRB) has announced that Franco Bernardi will serve as the organization’s interim president. Beginning Oct. 15, Bernardi will lead daily staff operations and management. He replaces Gary Schulz, whose contract as president was not renewed by the CRB last month. Bernardi’s leadership will guide the CRB during the next several months as it celebrates its …
HLB Early Detection Methods Available Now; More Coming Soon
By Len Wilcox Early detection has become a vital line of defense in the California citrus grower’s war with huanglongbing (HLB) disease. Without careful monitoring, any tree in the grove can become a ticking time bomb that could lead to destruction of the entire orchard. The disease starts unnoticed. Many months can pass before a tree displays any visible evidence …
New Regulations Costly to California Growers
New regulations will cost California citrus growers an average of $701 per acre per year, or $203 million annually statewide, according to a new study commissioned by the Citrus Research Board (CRB). “Compliance with environmental regulations not associated with groundwater sustainability is estimated to increase costs by $17.7 million, or $67 per acre of citrus,” predicts Bruce A. Babcock, a …
Crate Labels: Marketing Tools Become American Art
By Len Wilcox The labels that citrus packinghouses formerly placed on their shipping crates have a long and colorful history. These vibrant labels — usually square, depicting a beautiful farm, pretty lady or perhaps some impossibly perfect oranges — have become art objects and unique representations of their time and place in history. LOCATIONS OF COLLECTIONS In Florida, that history …
HLB-Detector Dogs Coming to California
The use of canines or “sniffer dogs” is again being investigated by the U.S. Department of Agriculture (USDA) for early detection of HLB-infected trees. Through the HLB Multi-Agency Coordination (MAC) program, USDA Animal and Plant Health Inspection Service (APHIS) has invested millions of dollars in the research and training of detector canines for finding HLB-positive trees. A recent full-day meeting in …
System Stops Psyllid Travel
By Len Wilcox Researchers with the U.S. Department of Agriculture (USDA) believe that an effective measure has been found that will reduce the risk of spreading huanglongbing (HLB) disease between orchards. The control measure is a fogging system with a carrier and a pesticide that effectively destroys disease-bearing insects before they can leave the orchard and do further harm. NO …
The Complex Path for New Citrus in California
By Len Wilcox Continuous research and development of new varieties is an important function of the University of California, Riverside (UCR). Efforts have led to hundreds of profitable varieties now being grown in California. According to a report in California Agriculture, University of California’s (UC) research journal, one of those varieties has been a source of more than $14 million …
New HLB Research Facility in Riverside
By Len Wilcox There’s a new research facility funded by California citrus growers to help combat huanglongbing (HLB), also known as citrus greening disease. The facility, located in Riverside, California, is the result of a 3-year cooperative effort of the University of California, Riverside (UC Riverside) and California citrus growers. Using funds provided by members of California Citrus Mutual (CCM), …
Study Shows Economic Impact of Citrus in California
The total economic impact of California’s citrus industry is $7.117 billion according to a new study commissioned by the Citrus Research Board (CRB). “In updating our economic analysis, we selected a well-known expert, Bruce Babcock, Ph.D., a professor in the School of Public Policy at the University of California, Riverside, to conduct the research. His findings quantified the significant impact …
University of California Scientists Identify New Citrus Disease
A new disease of citrus has been found in the Central Valley of California. According to a report published in the University of California’s (UC) Topics in Subtropics newsletter, several growers and nurserymen in various orchards in the Central Valley first noticed the disease in 2013. Symptoms include leaf chlorosis, crown thinning, gumming, dieback, and in severe cases, death of …