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Below you'll see everything we could locate for your search of “Valencia”
One obvious symptom of HLB is leaf chlorosis — yellow blotches appearing on otherwise dark green citrus leaves. Although chlorosis can indicate other health issues, in trees affected by HLB, it’s thought to be triggered by the underlying bacterial infection causing the disease. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) plant pathologist Nabil Killiny conducted a study …
Citrus trees grown in Florida continuously undergo various types and levels of stress. Stressors can include severe weather conditions, soil pH, chemicals, pests and diseases. The constant presence of HLB and psyllid infestation adds further stress to the tree, compromising overall tree health. Off-season flowering and prolonged flowering are common responses of trees when undergoing various stress conditions. Off-season and …
By Maurício Mendes There is a saying among those who have been in the industry for a long time: “There is no citrus harvest like the other.” Growers are facing production challenges in the current harvest season in Brazil. HOT, DRY CONDITIONSThe first signs of a decrease in the season’s fruit crop were given by last year’s (August to September …
Numerous Florida citrus growers are experiencing heavy fruit drop this fall. “For some growers, it’s the worst fruit drop they have experienced; 50 percent-plus,” says grower Lee Jones with Cross Covered Caretaking. Grower Jim Snively, with Southern Gardens Citrus, said he is hearing talk of around 30 to 50 percent-plus fruit drop. “I’m hearing pick-outs that are 20 percent to …
The 2020–21 orange crop forecast for the São Paulo and West-Southwest Minas Gerais citrus belt in Brazil is 269.36 million boxes. The updated forecast was published Dec. 10 by Fundecitrus and its cooperators. The decrease of 17.36 million boxes represents a 6 percent decline in crop size from the September forecast update. ADVERSE WEATHER CONDITIONSExpected production was significantly hindered by …
The forecast for Florida orange and grapefruit production were each trimmed by approximately 2 percent on Dec. 10. Forecasts for all other citrus varieties in all citrus-producing states were unchanged from the initial October report by the U.S. Department of Agriculture’s National Agricultural Statistics Service (NASS). The Florida all-orange forecast is now for 56 million boxes, down from 57 million …
Although COVID-19 whacked away-from-home sales at hotels, restaurants and the like in 2019-20, Florida’s Natural posted record net sales and its growers received strong returns on their fruit. “Our results were better than expected,” said Frank Hunt III, chairman of the nation’s third largest orange juice producer. Chief Financial Officer Chip Hendry pegged the cooperative’s historical high net sales at …
Lindy Savelle received numerous calls and texts from relatively new southern Georgia citrus growers prior to a mild freeze the morning of Dec. 2. “They were asking, ‘What should I do?’” said Savelle, president of the Georgia Citrus Association. The new growers were concerned because lows of 26 and 28 that morning were the coldest in the region in several …
By Fernando Alferez, Susmita Gaire, Ute Albrecht, Ozgur Batuman, Jawwad Qureshi and Mongi Zekri It has been nearly three years since the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) started its studies on individual protective covers (IPCs). The objective of this study is to evaluate the feasibility of IPCs as a strategy to prevent HLB infection of …
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension recently provided the following information about identification of citrus black spot (CBS): Fruit symptoms can be observed around this time of year with the onset of color break and fruit maturity. Growers and agricultural workers should learn to identify the symptoms of CBS even if they are not located …
Citrus Research and Development Foundation (CRDF) directors recently received an update on planned rootstock field trials and discussed the organization’s budget, CRDF Chief Operating Officer Rick Dantzler reported. ROOTSTOCK TRIALSThe new rootstock trials will be overseen by CRDF’s Select Committee on Plant Improvement, which met on Oct. 22 with citrus grower John Gose as chairman. Dantzler said the field trials …
By Sarah Strauss, Antonio Castellano-Hinojosa, Davie Kadyampakeni, Ramdas Kanissery and Tara Wade Soil health is generally synonymous with soil quality and refers to the capacity of a soil to sustain biological productivity, maintain environmental quality and promote plant health. Soils are complicated ecosystems, and discussions of soil health must consider the links between soil functions and soil-based ecosystem services, such …
Many Florida citrus growers have been using individual protective covers (IPCs) for several years primarily to protect trees from HLB-spreading Asian citrus psyllids (ACP). Smaller but increasing numbers of growers are utilizing the more expensive citrus under protective screen (CUPS) system to protect trees from ACP and HLB. Recently, Fernando Alferez informed growers in a virtual presentation about some other …
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By Ronald G. Doetch I am a lifelong farmer/agronomist and, at the age of 73, have worked with many different crops through the many changes in agriculture challenges and production practices. I moved to Florida four years ago to grow a few oranges and have a firsthand look and understanding of the relationship of soil health to tree decline and …
Megan Dewdney recently provided information about positive results from fungicide trials for citrus black spot, as well changes to the new Citrus Production Guide. Dewdney is a plant pathologist with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), working at the Citrus Research and Education Center. Dewdney conducted the fungicide trials for black spot in a 20-year-old …
A variety of different findings in recent rootstock trials led to a conclusion that long-term evaluation of rootstocks is necessary to assess economic benefits to growers. That conclusion was part of a take-home message in Ute Albrecht’s virtual Citrus Expo presentation. Albrecht is a researcher with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Her report was …
Economist Tom Spreen discussed the impact of imports in the United States orange juice (OJ) market at the Sept. 16 Florida Citrus Commission meeting. Spreen is retired from the University of Florida Institute of Food and Agricultural Sciences. Spreen’s analysis began with increased imports in 2017 after Hurricane Irma struck Florida. Largely as a result of the storm, nearly 24 …
Not many watching a recent virtual Citrus Expo presentation were surprised by Ariel Singerman’s declaration that “taking into account total cost, on average, growers sustained a loss” in the 2019-20 Florida citrus season. Singerman, a University of Florida Institute of Food and Agricultural Sciences economist, pegged the average per-acre losses at $1,606 for early-midseason oranges and $1,254 for Valencias. Singerman …
University of California, Riverside (UCR) scientist Hailing Jin believes she has found a substance capable of controlling the deadly citrus greening disease known as huanglongbing (HLB). The potential cure Jin discovered is a peptide found in the fruit of greening-tolerant Australian finger limes, which have been consumed by humans for hundreds of years. Invaio Sciences, Inc., a multi-platform technology company …
