Some people say rabbiteye blueberries get their nickname from the circle on the blossom end the fruit. Others say the fruit's tendency to turn pink before going blue is reminiscent of a rabbit's eye. Whatever the reason, late ripening rabbiteye blueberries can provide San Joaquin Valley growers the ability to harvest fruit through the end of August, capturing a potentially lucrative market window, says UC Cooperative Extension farm advisor Manuel Jimenez.
Porterville blueberry farmer Young Kwun attended the meeting with his farm manager Miguel Jaramillo Garcia. Kwun asked Jimenez how to replant blueberry bushes that had died.
"You can't do it," Jimenez replied. In the test plots, Jimenez and his staff replanted 60 blueberry bushes, and none of them survived. He tried a second time with the same result, and then inquired with blueberry growers around the country, finding that they also could not replant blueberries.
"Replanting is an issue with blueberries," Jimenez said. "We don't know what it is."
"You just saved me a bunch of money," said Kwun, whose 70-acre farm has a number of blank spots.
Kwun said he has missed the last few blueberry field days at Kearney, but that won't happen again.
"I'm thinking I should come every year," Kwun said. "I learned a lot."
UC Cooperative Extension farm advisor Manuel Jimenez hosted the annual blueberry meeting and field day at the UC Kearney Agricultural Research and Extension Center today. The event attracted about 75 farmers and industry representatives.
Blueberry experts from Oregon and North Carolina joined University of California scientists to present the latest research findings on blueberry nutrition, blueberry disease management, blueberry pest management and blueberry postharvest research.
The milestone is significant, since the southern highbush blueberry cultivars grown in California originated in the Sunshine State. Southern highbush cultivars are well adapted to the California climate because they require fewer “chill hours” to produce fruit.
A leader in the development of the California industry, Jimenez has conducted blueberry observational trials – looking at yield and flavor characteristics – for more than a decade at the UC Kearney Agricultural Research and Extension Center in Parlier. In addition, the Kearney blueberry plantings have been the scene of ongoing studies on plant spacing, mulches and pruning, research that has helped farmers successfully establish the crop in the semi-arid San Joaquin Valley.
Jimenez will invite blueberry farmers and those considering entering the industry to Kearney this week to taste and compare 35 varieties of berries. Looking over the plots, Jimenez said it wouldn’t be difficult for a farmer to use information from the Kearney trials to select good-tasting berries that ripen sequentially for months, extending one farm's blueberry season from spring until mid-way through the summer.
“You could plant Snow Chaser, a very sweet, early variety, in hoop houses and start harvesting in the second or third week of April,” Jimenez said. “Next, Reveille could come into production. Southmoon is really late and then Centurion, a rabbit eye blueberry that’s small and sweet, would be ready in late July.”
On Wednesday, May 18, Jimenez will lead a tour to small and large commercial berry farms and packing facilities. Discussion topics include blackberry sunburn prevention, blackberry trellising systems, blueberry field design and layout, soil and water acidification, irrigation scheduling, harvest practices and blueberry packing and cooling.
A blueberry meeting on Thursday, May 19, features presentations on world production systems, blueberry nutrition, frost protection and blueberry market outlook. Following lunch, participants adjourn to visit the research plantings and industry exhibits.
For more information about the blueberry meetings this week at Kearney, see the flyer.
The audit, performed by the independent third party Primus, requires extensive documentation – including such details as inspection of field worker sanitation facilities and hygiene training, pre-harvest fruit sampling and laboratory testing for pesticide residues, records of worker safety training, employing expert pest control advisers using IPM practices performed by certified applicators, even the number of tractor hours involved in production, when the tractor oil was last changed and how the old oil was disposed. The report also documents details about crop inputs, such as pesticides used, the calibration of spray rigs, etc.
“This year because of a three-year history of more than 97 percent assurance in Global Food Safety requirements, we are not required to spend the many hours required in a full audit, submitting documentation and lengthy inspections to meet the standards,” said Alan Cary, the KARE safety coordinator.
Cary estimates this year’s exemption from documentation will save 40 hours of labor.
“I want to thank KARE’s farm operation staff for their support in continuously exceeding food safety requirements for products that are harvested and shipped from KARE to consumers around the globe,” Cary said.
The 3.61-acre blueberry plot at KARE is a research planting for UC Cooperative Extension farm advisor Manuel Jimenez. The plot provides not only valuable science-based information for California’s blueberry farmers and industry, but also some crop income to help offset the research costs.
- Posted By: Jeannette E. Warnert
- Written by: Brenda Dawson
“We’re looking for vegetables that are not on everyone’s radar yet,” explained Mark Gaskell, farm advisor. “In some cases, a new crop is one that’s been grown by another culture for hundreds of years and is just ‘new’ to us.”
The program’s five farm advisors will be testing varieties of rainbow carrots, watermelon radishes, party cauliflower and Romanesco broccoli. The crops are grown in a demonstration plot at the Kearney Agricultural Research and Extension Center, as well as plots in Santa Clara, San Luis Obispo, Tulare and San Diego counties.
“This is another opportunity to highlight specialty crops that could be profitable for small-scale growers, with the tastes and interests of kids in mind,” said Shermain Hardesty, program director and Cooperative Extension economist at UC Davis.
Five schools, which each received a $20,000 “Love Your Veggies” grant from Hidden Valley Salad Dressing, will also be planting and growing the vegetables. The schools and the farm advisors will share their gardening and tasting experiences via blog posts, time-lapse photography in the garden, taste-testing activities and promotion of the program within their networks and local communities.
Now in its fifth consecutive year, the Love Your Veggies program is also providing $100,000 in funding to support the UC Small Farm Program as it identifies and grows these vegetable varieties.
Hidden Valley created the Love Your Veggies program in 2007 after a study conducted by UC Cooperative Extension researchers found that children in the study consumed more vegetables when paired with a moderate amount of ranch dressing.
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