Federal researchers announced that they have found an innovative way to treat pathogens (harmful bacteria) and pests in citrus trees and potato and tomato plants without the use of antibiotics. The researchers are with the U.S. Department of Agriculture’s (USDA) Agricultural Research Service (ARS). The research was done in collaboration with the University of Florida and AUM LifeTech Inc. The …
U.S. Grapefruit Exports to France Threatened
According to the U.S. Department of Agriculture (USDA) Foreign Agricultural Service, a new French ban on the sale of fruits and vegetables with identifying stickers could threaten future exports of U.S. grapefruit. The ban is slated to be implemented on Jan. 1, 2022. The USDA report states that most U.S. grapefruit and some sweet potatoes shipped overseas have stickers that …
Protect Citrus Trees From Heat Stress
By Amir Rezazadeh Heat stress affects the production of different citrus varieties, particularly seedless varieties. The severe effect of heat stress can be seen during the flowering and fruit set stage as well as June drop. High temperature can affect different growth stages of citrus trees, such as vegetative growth, flowering and fruit set. EARLY SIGNSThe following are early signs …
CUPS Tree Growth Surprises Growers
Brothers Jerry and Keith Mixon have been surprised by how well trees grow in their citrus under protective screen (CUPS) facilities in Alturas, Florida. “All of the varieties we are growing have responded amazingly,” they said recently about their CUPS experience. Though each brother has his own CUPS structures, they jointly discussed their results. The brothers have a combined 130 …
Maximizing Rootstock Seed Production
By Fernando Alferez, Deived Uilian de Carvalho, Daniel Boakye, Tim Gast and Manjul Dutt Endemic HLB in Florida has provoked increased pressure to replant and reset infected groves. This has resulted in concern from citrus growers and nursery operators about seed availability for the most popular rootstocks in the state. In the past, all rootstock fruit (both early and late …
Improved Orange Cultivars
Improved sweet orange cultivars for processing and fresh fruit were the topic of a virtual presentation July 14 by plant breeder Jude Grosser. Grosser works at the University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center in Lake Alfred. HAMLIN SOMACLONE N13-32This new and distinct early-season clone of Hamlin has improved juice color and …
All In For Citrus Podcast, July 2021
A pest problem in citrus under protective screen (CUPS), heat stress guidance, and Citrus Expo news headline the July episode of the All In For Citrus podcast. Citrus Research and Education Center Director Michael Rogers begins the episode with an overview of the seminars at this year’s Citrus Expo. He said his University of Florida Institute of Food and Agricultural …
Turkey: Lemons Up, Grapefruit Down
Lemon production in Turkey climbed in 2020-2021, but grapefruit production is expected to decline, according to the U.S. Department of Agriculture’s Foreign Agricultural Service. LEMONSLemon production reached 1.1 million metric tons, which is 13% more than in the 2019-20 season. Lemons have a longer season compared to oranges and tangerines in Turkey because different lemon varieties ripen at different times …
Growers Discuss CRAFT Projects
Four Florida growers recently discussed efforts they’ll take to cope with HLB in plantings subsidized by the Citrus Research and Field Trial (CRAFT) program. Their comments were part of a virtual educational session sponsored by the Citrus Research and Development Foundation (CRDF) and Florida Citrus Mutual. CRDF Chief Operating Officer Rick Dantzler said the projects discussed were among 103 funded …
Keeping Young Ag Workers Safe
The National Children’s Center for Rural and Agricultural Health and Safety (NCCRAHS) announced resources that can be used to help keep young agriculture workers safe. NCCRAHS pointed out that there are serious risks to children doing farm work, as well as positives. During the past decade, more youth have died working in agriculture than in all other industries combined, the …
South Africa Shipping More Citrus
Summer Citrus from South Africa (SCSA) recently reported a 7% increase in shipment volume compared to the 2020 season. “Easy peelers are on-par with year-to-date estimates while navel oranges are slightly ahead,” SCSA stated in a media release. “Overall, quality and sizing are aligning well with the expectations of the U.S. market.” Boats from South Africa are scheduled to arrive …
HLB Control Has Been Costly for Growers
California’s efforts to keep huanglongbing (HLB) at bay have been largely successful. So far, the state’s huge citrus industry has avoided the devastating loss of trees that has occurred in Florida, South America and other commercial citrus-growing regions around the world. However, those efforts have come with a cost to citrus growers. Bruce Babcock, professor of public policy at University …
Mandarin Production Rises Sharply in EU
Mandarin production in the European Union (EU) in 2020-21 is forecast to rise 21% from the previous year, to 3.4 million metric tons. The forecast, reported by the U.S. Department of Agriculture’s Foreign Agricultural Service, is almost 10% higher than the union’s 9-year average of 3.1 million metric tons. The higher production this season is mainly the result of expected …
Citrus Juice Proven to Aid Immune System
A new research review, published in Frontiers in Immunology, has found that a glass of citrus juice contains key nutrients and bioactive substances that help human immune systems work efficiently. Scientists examined evidence from nearly 200 different studies and reports. They concluded that vitamin C, folate and polyphenol compounds in citrus juice can impact immune health, fight inflammation and improve …
Soft Citrus Climbs in South Africa
Production of tangerines/mandarins in South Africa is expected to continue its aggressive growth and is estimated to increase by 8% to 500,000 metric tons in 2020-21. Tangerines/mandarins are referred to as soft citrus. High levels of new plantings in recent years contributed to the production increase, the U.S. Department of Agriculture’s Foreign Agricultural Service reported in June. The area planted …
Cutrale Achieves Sustainability Gold Score
Cutrale recently announced it has achieved a gold score in sustainability for all its orange farms in Brazil and the United States. The award is from the Sustainable Agriculture Initiative (SAI) – Farm Sustainability Assessment (FSA), a widely recognized sustainability standard. The FSA was developed by the SAI to enable food and beverage businesses from all crops and countries to …
Time for Brown Rot Management
By Evan Johnson The Florida summer rainy season is in full swing, and there have been one or two root flushes by now. This is a good environment for increases in soil Phytophthora propagule counts. High counts have been seen this year, especially in Southwest Florida. While much of the focus may be on root rot, it is important to …
More Hurricanes Predicted
The Colorado State University (CSU) Department of Atmospheric Science on July 8 increased its predicted number of hurricanes in 2021 to nine, up from eight in its June forecast. It also increased the expected number of named storms to 20, up from 18 in the June forecast. This is expected to be an above-average Atlantic basin hurricane season. The average …
Indian River Millennium Block Shows Rootstock Effects
By Rhuanito S. Ferrarezi, J. Martin Zapien-Macias, Mac Hossain, Tom James, Ronald D. Cave, Peter Spyke, William S. Castle, Jude W. Grosser, Fred Gmitter and Ed Stover In the last decade, huanglongbing (HLB) has reduced production of Florida grapefruit by 75%, mandarin by 78% and sweet orange by 52%. This decrease is significant for the Indian River District, which produces …
California to Launch CRaFT Project
The Citrus Research Board (CRB) has been awarded $3,438,059 in funding from the Huanglongbing Multi-Agency Coordination Group (HLB MAC) to support its California-focused Citrus Research and Field Trials (CRaFT). The overarching goal of the CRaFT project is to demonstrate additional mitigations to improve psyllid control within commercial groves across the various citrus-growing regions in California. This information will inform areawide …