rootstock

Biostimulants Have Positive Effects

Ernie NeffBiostimulants

University of Florida/Institute of Food and Agricultural Sciences (UF/IFAS) plant physiologist Ute Albrecht described the use of microbial amendments, specifically biostimulants, at a July 26 seminar in Immokalee. Albrecht works at the UF/IFAS Southwest Florida Research and Education Center, site of the seminar hosted by multi-county citrus Extension agent Mongi Zekri. “Biostimulants come in a wide range of different products” …

citrus

Florida Citrus Harvest Lowest in Decades

Daniel CooperCitrus, Crop Forecast, Industry News Release

by Jim Turner, News Service of Florida The final forecast of the 2016-2017 season for Florida’s struggling citrus industry shows the orange crop falling 16 percent from the previous season — which, itself, had been at a five-decades low. And after a season of severe drought, combined with the continued fight against a deadly citrus disease and the expansion of …

citrus crop forecast

Final U.S. Citrus Crop Forecast Down 17 Percent from Last Season

Daniel CooperCitrus, Crop Forecast

Candi Erick, the agricultural statistics administrator with the Florida Department of Agriculture and Consumer Services’ Florida Agricultural Statistics Service, reports the final citrus crop forecast of the 2016-17 season. The United States all-orange forecast for the 2016-2017 season is down 2 percent from last month and down 17 percent from last season’s final utilization. The 2016-2017 Florida all-orange forecast released …

Understanding Soil-Moisture Sensor Data

Tacy CalliesCitrus, Irrigation

By Arnold Schumann and Laura Waldo Florida citrus trees may require irrigation throughout the year due to the extremely sandy soils with low water-holding capacities and the warm subtropical climate with distinct drought periods in spring. Citrus trees are evergreen and may be actively growing at any time, with no true dormant phase. HLB-affected trees are particularly prone to multiple …

Fred Gmitter: Slow Road to Fast Genetics

Tacy CalliesBreeding, Citrus

By Ernie Neff Even Nostradamus would have struggled to predict a career path for a 25-year-old Fred Gmitter. Gmitter had quit college after three years at Rutgers University, where he studied English literature with plans to teach. He said he “became completely disillusioned” with that plan. He married, worked as a delivery truck driver and warehouse laborer, and traveled out …

Tree Defender Stops Psyllids

Tacy CalliesCitrus

Sponsored Content A Florida company may hold the key to protecting the world’s young citrus plantings until a permanent solution for the devastating citrus greening disease (HLB) can be found. Widespread devastation from citrus greening has caused billions of dollars in lost revenue and killed over 100 million citrus trees worldwide. Although there appears to be no end in sight, …

Citrus Expo

Field Trials of Rootstocks and Scions: What Can They Tell Us?

Tacy CalliesNews from our Sponsor, Rootstocks, Scions

By Harold Browning Column sponsored by the Citrus Research and Development Foundation Plant breeding programs have been a mainstay of citrus production worldwide. They have served as a basis for gradual improvement in fruit quality, adaptability to varying growing environments, and most importantly, to disease management. For that reason, new germplasm has been a front line of pursuit in the …

Capitol building

California Budget Adds Funds to Fight HLB

Len WilcoxCalifornia Corner, Legislative

California is adding funds to help the fight against HLB. Governor Brown signed the 2017 Budget Act this week, which authorizes $10 million to fight the spread of the invasive Asian citrus psyllid (ACP) insect and the deadly and incurable plant disease it can carry, huanglongbing (HLB). “California Citrus Mutual applauds Governor Brown and members of the California Legislature for …

Grove

Hunt on FDOC Budget and Grove Conditions

Ernie NeffFlorida Citrus Commission

The Florida Citrus Commission (FCC) on June 21 set a preliminary 2017-18 Florida Department of Citrus (FDOC) operating budget of $17.5 million. That’s a 22 percent reduction from last season and the lowest FDOC budget in decades. The final budget will be set after the U.S. Department of Agriculture issues the first Florida citrus crop forecast of the new season …

citrus greening

Citrus Greening Detected in Alabama

Daniel CooperCitrus Greening, Industry News Release

A plant disease that presents a serious threat to the U.S. citrus industry has been detected in Alabama. Federal and state plant health officials have confirmed the identification of citrus greening, also known as huanglongbing or HLB, which is caused by the bacterial pathogen Candidatus Liberibacter asiaticus. This is the first confirmation of citrus greening in Alabama despite biannual surveys …

fungus

Sources of HLB-Spreading Psyllids

Ernie NeffPsyllids

The origin of HLB-spreading Asian citrus psyllids found in citrus groves is regarded differently in Texas and California than it is in Florida. Michael Rogers, University of Florida Institute of Food and Agricultural Sciences entomologist and director of the Citrus Research and Education Center, explains. “Areas like Texas and California, their focus has been on combating psyllids in the urban …

Florida Agricultural Crime on the Rise

Tacy CalliesCitrus

By Abigail Taylor Some Florida citrus growers are struggling to keep their products and possessions safe from thieves. There have been theft reports ranging from large and small equipment, chemicals, fuel, young trees and fruit, as well as accounts of vandalism. Ned Hancock, former Highlands County Citrus Growers Association president, says the issue is “much more significant than most people …

florida citrus

June Citrus Forecast: Oranges Up; Tangerines Down

Daniel CooperCitrus, Crop Forecast

ORANGES The 2016-2017 Florida all-orange forecast released by Mark Hudson of the U.S. Department of Agriculture’s National Agricultural Statistics Service is up 500,000 boxes to 68.5 million boxes. The increase is in Valencia oranges. The total includes 33 million boxes of non-Valencias (early, midseason, and Navel varieties) and 35.5 million boxes of Valencias. For the previous 10 seasons used in …

Final Figure for Brazil’s 2016–17 Crop

Tacy CalliesGlobal Perspectives

By Marcos Fava Neves In May, the U.S. Department of Agriculture (USDA) estimated the Florida orange crop at only 68 million boxes. The final number for the Brazilian 2016–17 crop was released by Fundecitrus on April 10 and was 245.31 million boxes. It is relevant to note an important point for the orange juice chain participants in Florida and São …

HLB

Older Trees and Older Growers

Ernie NeffCitrus, HLB Management

Florida’s older citrus trees are disappearing due to HLB and other problems, and the most prominent varieties being grown haven’t changed in many decades. Additionally, many long-time growers are nearing retirement. Those were among topics raised at a recent grower forum in Sebring. Laurie Hurner, Highlands County Extension director and citrus agent, hosted the meeting and summarizes discussions of aging …

Citrus Expo

What Have We Learned?

Tacy CalliesCitrus, News from our Sponsor

By Harold Browning Column sponsored by the Citrus Research and Development Foundation Within the Citrus Research and Development Foundation (CRDF), the daily challenge of keeping up with a wide array of HLB topics, more than 75 currently funded projects, and monthly committee and board meetings translates into a constant flow of information. Project managers meet weekly to discuss progress and …

HLB

HLB and Root Longevity

Ernie NeffHLB Management, Rootstocks

University of Florida Institute of Food and Agricultural Sciences plant pathologist Evan Johnson tells how drastically HLB harms citrus tree roots and suggests some ways to prolong root longevity and improve tree health. “It (HLB) causes very substantial root loss, up to between 30 and 50 percent early in the disease process from before visual symptoms are present to early …

Managing Multiple Risks in a Citrus Farming Operation

Tacy CalliesCitrus

By Ariel Singerman and Stephen H. Futch Uncertainty can be defined as imperfect knowledge, and risk as uncertain consequences, particularly unfavorable consequences. To take a risk then is to expose oneself to a chance of loss, in some cases expecting a gain in return. Many decisions in agriculture involve risk and uncertainty. Risk management is concerned with reducing the possibility …

Sneak Peek: June 2017 Citrus Industry Magazine

Tacy CalliesCitrus, Sneak Peek

There is no doubt that the biggest risk Florida citrus growers currently face is HLB disease. But there are many other risks that can and should be managed effectively. University of Florida’s Ariel Singerman and Steve Futch provide risk management advice for growers in the June issue of Citrus Industry magazine. Their article offers practical information on production, market, financial, …