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This new two-page article is the Spanish-language translation of FSHN20-15/FS338, COVID-19 FAQ for U-Pick Farms: Steps for Farm Managers.Written by Natalie Seymour, Mary Yavelak, Candice Christian, and Ben Chapman, translated by Fernando Alferez, and published by the UF/IFAS Food Science and Human Nutrition Department.
The Florida citrus industry maintains a high demand for trees for replanting and resetting, as well as an interest in new releases of rootstocks and scions with improved disease and abiotic stress tolerances. One of the main constraints for liner production in great numbers is time. The consensus among citrus nurseries is that it takes two years to produce enough quantities of budwood to establish seed block trees when a new interesting rootstock is produced. This new 3-page article addresses the practices and challenges of producing seeds and budwood in Florida. This article, chapter 7 of the forthcoming Citrus Nursery Production Guide, was written by Fernando Alferez and Mireia Bordas and is a publication of the UF/IFAS Horticultural Sciences Department.
Plant growth regulators (PGRs) are a tool used to manipulate vegetative and reproductive growth, flowering, and fruit growth and development. PGRs have been successfully used in agriculture for decades to amend plant growth characteristics to maximize yield and grower profit. This new 4-page fact sheet discusses auxins, gibberellins, cytokinins, abscisic acid, ethylene, new classes of plant hormones, use of PGRs for HLB-affected trees, and general considerations for PGR use in Florida citrus groves. Written by Tripti Vashisth, Chris Oswalt, Mongi Zekri, Fernando Alferez, and Jamie D. Burrow, and published by the UF/IFAS Horticultural Sciences Department, February 2018.
Tree canopy and bearing volume are two important factors in fruit production and fruit quality; generally, trees with larger canopy volumes produce more fruit than smaller-canopy trees. Therefore, canopy management is an important aspect of citrus production in Florida to avoid problems associated with overcrowding and excessively tall trees. This three-page document describes canopy management practices for citrus growers. Written by Tripti Vashisth, Mongi Zekri, and Fernando Alferez and published by the UF/IFAS Horticultural Sciences Department, October 2017.
When preparing for replanting, an important factor to consider is the choice of rootstock. Choosing the right rootstock and scion combination can result in higher economic returns without any additional cost. Rootstocks affect scion vigor, yield, fruit size, juice quality, and pest tolerance. However, tree growth, yield, and fruit quality interact strongly with climate, soil type, tree spacing, and other factors, often producing contradictory reports on rootstock performance in different areas. This 3-page fact sheet discusses soil characteristics, rootstock effects on pests and diseases, tree spacing and size, and rootstock/scion combination. Written by Ute Albrecht, Fernando Alferez, and Mongi Zekri, and published by the UF/IFAS Department of Horticultural Sciences, September 2017.