Feb. 15, 2024
With El Niño increasingly predicted to last through June, experts advise on how to keep olive tree roots dry to avoid damage from Phytophthora and waterlogging.
Jan. 18, 2024
Controlling Black Scale in California Groves
While the invasive insect does not impact oil quality, heavy infestations can reduce olive yields. The pest is expected to spread as California’s winters become milder.
Jan. 5, 2024
Experts Offer Pest-Control Tips for California's Hobby Growers
Hobbyists use organic practices to combat weeds and treat and prevent olive knot, yellow leaves, the olive fruit fly, peacock spot and Verticillium wilt.
Dec. 4, 2023
How the Iberian Ant Can Help Control Pests in Olive Groves
Researchers found that Iberian ants naturally prey on olive moth larvae in olive groves without disrupting the rest of the ecosystem.
Nov. 21, 2023
The Agronomic and Macroeconomic Forces Behind Olive Oil Prices in Italy
Despite an anticipated production rebound in Italy, prices will likely remain high. Farmers will need to adapt to a new reality.
Oct. 23, 2023
The Olive Fruit Fly: A Persistent Pest in a Changing Climate
The olive fruit fly constantly threatens crop yields, olive oil quality and farmers' livelihoods.
Oct. 12, 2023 News Briefs
Researchers Identify Three Olive Varieties Resistant to Pervasive Fungus
Oct. 3, 2023 Production
Oct. 3, 2023 Production
California Olive Farmers Turn to Birds for Natural Pest Control
Sep. 14, 2023 Production
Organic Growers Rely on Traditional and New Natural Methods to Combat Fly
Aug. 7, 2023 Production
Growers Prepare for Harvest in Northern Frontier of U.S. Olive Oil Production
Jul. 19, 2023
Researchers in California Test New Solutions for Olive Fruit Fly
Researchers at the University of California are testing a range of insecticide products for efficacy in controlling olive fruit flies.
Jul. 6, 2023
Uptick in Olive Fruit Fly Infestations Reported in Andalusia
As olive groves enter their most vulnerable stage of development, authorities said the number of captured flies and observed damage was significantly higher than in previous years.
Feb. 8, 2023
Mysterious African Insects Are Infesting Portuguese Olive Groves
Unexplained damage to olive trees over a six-year period in Portugal has been confirmed as the effects of an obscure insect never before observed in Europe.
Feb. 6, 2023
Research Reveals How Deadly Pathogen Infects Olive Trees
Researchers from the University of Córdoba studied how fluid emitted by olive tree roots facilitates the germination of the fungus responsible for Verticillium wilt.
Sep. 15, 2022
Agronomist Restores 400-Year-Old Olive Grove to Better Withstand Droughts in Croatia
Restoration of centuries-old trees is the first line of defense against drought, according to one young agronomist.
Aug. 26, 2022
Croatian Olive Grower Innovates to Overcome Drought, Pests
From irrigating at night to covering developed fruit in kaolin clay, one Croatian producer is adapting to the country’s increasingly hot and dry summers.
Aug. 1, 2022
Xylella Fastidiosa Containment Protocol Proves Effective in Puglia
Groves following the treatment protocol to prevent the spread of the disease are healthy and produce award-winning olive oil.
Nov. 22, 2021
Jordanian Farmers Expect Fall in Production Due to Drought, Pests
As the situation in northern Jordan’s fertile agricultural regions looks increasingly dire, three organizations are stepping in to promote traditional and sustainable farming methods.
Nov. 15, 2021
Med-Gold Project to Host Workshops for Olive Sector
The workshops will cover how to use and assess the wealth of data collected on its new dashboard regarding climate change, disease spread and pest behavior.
Aug. 4, 2021
Plant-Derived Treatment Against Asian Bug Shows Promise for Olive Growers
A blend of 11 odorant compounds produced naturally by sunflowers was found to attract female brown marmorated stink bugs. The concoction could be used in traps.
Aug. 2, 2021
Italian Producers Unlikely to Get Dimethoate Extension Ahead of Harvest
With few viable alternatives, farmers will have to find new ways to cope with the olive fruity fly this year.
Jul. 23, 2021
European Project Studies Olive Genetics to Prepare Growers for The Future
Researchers at the Gen4Olive project believe the genetic material of unused olive varieties could help prepare farmers for new climatic conditions and pests.
Jun. 15, 2021
Mixed Expectations as Harvest Gets Underway in South Africa
While the country’s long-standing drought finally broke, pests, blackouts and Covid-19 restrictions resulted in a harvest of mixed results thus far.
May. 13, 2021
Effort to Stem Spread of Olive Pathogen Using Grafted Trees Fails in Spain
After a four-year trial, researchers said that grafting traditional Andalusian varieties with Verticillium wilt-resistant ones was ineffective.
May. 6, 2021
Olive Pests and Disease Will Be Focus of International Conference in October
Academics, scientists, farmers and producers will meet in Lisbon to discuss the latest on detection, control and management techniques.