By Sean Stokes, Thomas Borch and Pankaj Trivedi The benefits of soil organic matter (SOM) in agriculture have been well documented and include both improved water and nutrient retention. SOM is also essential for a properly functioning rhizosphere microbiome. However, the natural level of SOM in the sandy, acidic soil of Florida’s citrus grove regions is often around 1 percent, …
Intercropping in Nigerian Citrus Production
By Bernard Okafor Citrus is a commonly cultivated tree crop in Nigeria. It is in high demand because of its nutritional, economic and industrial values. Citrus cultivation in Nigeria is mainly under rainfed conditions in rainforest/derived guinea savanna zones of the country with the Sahel and Sudan savanna being drier parts and not very favorable for citrus production except under …
Consumer Response to OJ During COVID-19
Yan Heng, Marisa Zansler and Lisa House have authored a new study on consumer response to orange juice (OJ) during the COVID-19 outbreak. Heng is a research assistant scientist and House is a professor, both with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Food and Resource Economics Department. Zansler is the director of the Economic and …
Cost-Effective Psyllid Control Strategies
Lukasz Stelinski makes the case that reducing HLB-spreading Asian citrus psyllid (ACP) populations improves tree health — even when trees already have HLB. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomologist offers several tips about psyllid control in a new presentation available online. Keeping ACP populations down seems to help yield, Stelinski states. His hypothesis is …
Deadline Coming Up for California Citrus Mutual Scholarships
California Citrus Mutual (CCM) awards three scholarships to students who are pursuing an education and future in the agricultural industry. The deadline to apply for the scholarships has been extended to June 30. The CCM High School Scholarship is given to a a qualified high school senior pursuing a continued education in an agriculture-related field. An eligible candidate must be …
New Opportunity for Citrus Growers to Earn CEUs Online
When the annual 2020 Florida Citrus Growers’ Institute was canceled due to the stay-at-home guidelines recommended by the state, growers were shut out of learning the latest research updates from University of Florida citrus scientists. In addition, they were denied access to earning valuable continuing education units (CEUs) needed to renew pesticide licenses. University of Florida/Institute of Food and Agricultural …
Opposition to South African Citrus Imports Into Georgia
Two associations representing Georgia citrus growers expressed strong concerns about a federal proposal to remove restrictions on the ports of entry into which South African citrus may enter the United States. Removal of port restrictions would allow the importation of the citrus into all U.S. ports, including Savannah, Georgia. The restriction removal was proposed by the U.S. Department of Agriculture’s …
June Citrus Forecast Sees Florida Oranges Fall
The U.S. Department of Agriculture released an update to the 2019–20 citrus crop forecast on June 11. ORANGESThe Florida all-orange forecast is 67.65 million boxes, down from May’s 69.65 million boxes. The forecast for Florida non-Valencia orange production remains at 29.65 million boxes. Florida Valencia oranges fell 5 percent to 38 million boxes. The California all-orange forecast is 48.5 million …
A Case for an OJ Tax Hike
Florida Citrus Commission Chairman Ned Hancock on June 5 made a case for increasing the Florida Department of Citrus’ (FDOC) grower tax on oranges processed for juice. “With a new season ahead of us, we have an opportunity to not only adjust our marketing approach to fit the needs of the ever-changing consumer but also best support the Florida grower,” …
Fruit Drop of Citrus in Summer Months
By Tripti Vashisth, Megan Dewdney and Lauren Diepenbrock This article summarizes what is known about summer fruit drop in healthy citrus trees and those with huanglongbing (HLB). Also discussed is how HLB can affect early fruit development and exacerbate fruit drop. Additionally, strategies to reduce summer fruit drop are included. Citrus flowers profusely, but less than 2 percent of the …
UF/IFAS Remains Resilient Amid COVID-19 Challenges
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) hosted a virtual statewide discussion for stakeholders on June 8 to provide an update on its initiatives. The emphasis was on efforts and issues related to the COVID-19 pandemic. During the webinar, Nick Place, UF/IFAS Extension dean and director, highlighted Extension’s efforts to address the COVID-19 challenges. “This has …
Gulf Citrus Growers Association Elects Leaders
Ron Mahan of Tamiami Citrus, LLC has been elected president of the Gulf Citrus Growers Association (GCGA) for 2020-21. Other officers are Vice President Danny Sutton of Alico, Inc., Secretary Wayne Simmons of LaBelle Fruit Co., LLC and Treasurer Rob Atchley of A. Duda & Sons, Inc. The elections were held during the association’s 34th annual meeting on June 3. …
More CRAFT Plantings to Come
A second phase of government-supported HLB research projects in Florida’s commercial groves is expected to be initiated this year by the Citrus Research and Field Trial (CRAFT) Foundation. A first phase, in which participating growers must have trees in the ground before June 30, saw growers signing up for 46 projects on 2,032 acres. Learn more about the first phase …
Antibiotics Used in Citrus
A new University of Florida Institute of Food and Agricultural Sciences Extension document, Antibiotics in Crop Production, was published in May by Leigh Archer, Ute Albrecht and Pamela Roberts. The authors found that the use of antibiotics has resulted in the successful control of bacterial diseases in some crops but not in others. The publication includes research information on antibiotics …
What to Do About Lack of Respirators for Pesticide Applicators
The U.S. Environmental Protection Agency (EPA) issued a statement recognizing that the COVID-19 pandemic has impacted the availability of respirators required when applying agricultural pesticides. The statement offered guidance advising agricultural handler employers and pesticide handlers on what to do in the face of the equipment shortage. The agency noted that cooperative Extension pesticide safety educators and agricultural organizations were …
Cover Crops Benefit California Citrus Grower
A California citrus grower says he has substantially increased water retention and decreased irrigation usage by planting cover crops. Chris Sayer, of Petty Ranch, says he has added about 3 percent organic content to his soil, which has reduced irrigation water usage from 2 acre feet to 1.25 to 1.5 acre feet. Sayer is a fifth-generation Ventura County farmer. He …
Cocaine Found in Orange Shipment
Three Florida men were charged in a conspiracy to import and distribute cocaine after the contraband was found in a fresh orange shipment. The United States Attorney’s Office for the Southern District of Georgia on June 3 reported the charges and the actions leading to them. Juan De Jesus Gutierrez, 45, Jonathan Mejia, 41, and Ricardo Sanchez Ortiz, 46, all of Kissimmee, Florida, were charged …
More Mexican Fruit Flies Found in Texas Citrus
The Animal and Plant Health Inspection Service (APHIS) and the Texas Department of Agriculture (TDA) established a Mexican fruit fly (Anastrepha ludens or Mexfly) quarantine in a residential area in Zapata, Texas. APHIS is applying safeguarding measures and restrictions on the interstate movement or entry into foreign trade of regulated articles from this area. APHIS confirmed one Mexfly larva from …
HLB Brings Nutrition Guideline Changes
An updated nutrition guide from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) provides new information for properly fertilizing HLB-impacted trees. Nutrition of Florida Citrus Trees, 3rd Edition was updated by researchers Kelly Morgan and Davie Kadyampakeni. Morgan, director of the Southwest Florida Research and Education Center, says growers have been requesting an update of the guide …
Technology Helps Growers Count Citrus Trees
In his quest to find the right drone and other artificial intelligence to help ensure citrus growers get an accurate count of their crop, Yiannis Ampatzidis and his research team have developed a system known as Agroview. The technology saves farmers time and money and helps them accurately count their trees, which is important for insurance purposes. The latest results …