march

All In For Citrus Podcast, March 2024

Daniel Cooper All In For Citrus Podcast, Irrigation

As winter transitions to spring, it is important to monitor irrigation needs in citrus. This is especially true in Florida, where nearly all trees are infected with HLB. Irrigation was a topic of discussion during the March episode of the All In For Citrus podcast. Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) …

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Irrigation During the Dry Season to Increase Yield of HLB Trees

Daniel Cooper Irrigation, Tip of the Week

By Tripti Vashisth and Mary Sutton Prolonged water deficits can negatively impact flowering, fruit growth, crop load and fruit quality. Unfortunately, HLB-affected trees are more susceptible to water deficits than healthy trees due to extensive root loss. Observing HLB-affected trees throughout the dry season showed that severely symptomatic trees consistently had lower leaf water potential than mildly symptomatic trees. This …

Irrigation Strategy to Enhance Fruit Growth and Retention

Tacy Callies Irrigation, Tip of the Week

By Tripti Vashisth  Huanglongbing (HLB) severity is associated with small fruit sizes and lower fruit numbers at harvest. Moreover, small fruit are more likely to drop and drop earlier during preharvest fruit drop. Unfortunately, management practices suggested to increase fruit size or reduce drop have had mixed results. So, before looking for ways to increase fruit size and number, it …

HLB-Affected Trees Use Less Water

Tacy Callies HLB Management, Irrigation, Tip of the Week

By Davie Kadyampakeni  Huanglongbing (HLB) is a citrus disease that affects the growth of the fibrous roots of citrus trees. This means that HLB-affected trees may have reduced root volume, which impacts water uptake. A greenhouse study was conducted from October 2019 to July 2021 at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and …

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Enhancing Smart Irrigation With Centralized Data

Daniel Cooper Irrigation, Technology

By Sandra M. Guzmán Efficient irrigation management is crucial in optimizing tree growth and promoting sustainable management practices in modern agriculture. This article introduces IrrigMonitor, an Internet of Things data visualization platform developed at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC) Smart Irrigation and Hydrology Lab. IrrigMonitor is a …

Soil Moisture Sensors Improve Irrigation

Josh McGill Irrigation, Technology, Tip of the Week

By Davie Kadyampakeni, Sandra M. Guzmán and Ajia Paolillo Using soil moisture sensors for irrigation scheduling can reduce water stress in citrus trees. Sensors that are easy to calibrate and maintain, specifically designed for managing irrigation and fertigation on Florida’s sandy soils, are the preferred choice. These tools enable growers to use their water resources wisely and efficiently. There are …

Nutrition and Irrigation Role Reinforced for HLB Trees

Josh McGill Irrigation, Nutrition

In a virtual seminar for growers on July 19, Davie Kadyampakeni reinforced that optimal, balanced nutrition and frequent irrigation can improve HLB-affected citrus trees, yield and fruit. Kadyampakeni is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor at the Citrus Research and Education Center in Lake Alfred. NUTRITION“Citrus fruit yields, juice quality and canopy size …

Deficit Irrigation in HLB-affected Citrus Trees

Josh McGill Irrigation, Research

By Davie Kadyampakeni, Samuel Kwakye, Hossein Ghoveisi, Lauren Diepenbrock and Jawwad Qureshi Deficit irrigation practices can reduce water and energy costs, thus potentially increasing water-use efficiency and water savings in citrus production. Irrigation management through deficit applications, if timed at periods of reduced water demand, could help trigger increased root water and nutrient uptake while synchronizing citrus flush patterns. These …

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Irrigation Guidelines for Growers

Josh McGill Irrigation, Tip of the Week

By Ajia Paolillo As the season moves from winter to spring, the irrigation requirements of citrus trees change. Typically, February through May is the drier time of year in Florida with low rainfall amounts in most areas. However, during this period, the trees are actively producing leaves and flowers, setting fruit, and pumping resources to the growing fruit during cell …

Groundcovers Promote Water-Use Efficiency and Pest Management

Josh McGill Irrigation, Pests

By Sandra M. Guzmán, Larry Duncan, John Santiago and Lorenzo Rossi The implementation of pest management technologies might have an impact on other management areas in the grove. Landscape fabric groundcovers, for example, have been used for pest management in citrus production. Groundcovers also recently have been used to promote the homogeneous availability of water for uptake by roots, better …

Irrigation Contributes to Rising Yields in São Paulo

Josh McGill Brazil, Irrigation, Production

Use of irrigation for citrus in Brazil’s state of São Paulo has grown by almost 33% in the last six years, according to Citricultor magazine, published by Fundecitrus. The magazine cites irrigation and other improved growing practices as causes for a continuing yield rate acceleration.      In 35 years, citrus production per hectare in São Paulo has leaped by about 178%, …

Two Ways to Treat Ian-Stressed Trees

Josh McGill hurricane, Irrigation, Tip of the Week

Give trees a bit of relief with frequent irrigation and kaolin particle film. By Christopher Vincent Hurricane Ian caused damage to orange trees, knocking fruit on the ground, twisting and breaking limbs, stripping leaves off trees and flooding soil. Although lots of damage was visible immediately, the after-effects will continue to rear their ugly heads in the months to come, …

Maximizing the Use of Soil Moisture Sensors

Josh McGill Irrigation

By Davie Kadyampakeni, Ajia Paolillo and Sandra Guzmán Citrus trees require water to be able to carry out the natural processes of growth, making food, and developing fruit and juice. To get the water from the soil, the fibrous roots do the extraneous work of absorbing the water and carrying it via the transpiration stream (or the water highway) to …

Deficit Irrigation Could Improve Fruit Quality in CUPS

Josh McGill CUPS, Irrigation, Research

By Fernando Alferez, Daniel Boakye, Susmita Gaire and Tim Gast Growing citrus under protective screen (CUPS) structures for fresh fruit production is effective in controlling HLB disease by completely excluding the Asian citrus psyllid (ACP, Diaphorina citri). After several years of research on CUPS to grow HLB-free trees in Florida, and with commercial growers increasingly adopting this technology, there is …

Groundcovers Influence Citrus Yield and Water Use

Josh McGill Irrigation, Production, Tip of the Week

By Sandra M. Guzmán In Florida citrus, black fabric mulch groundcovers have been used for the control of the invasive Diaprepes abbreviatus (root weevil). However, these groundcovers can also serve as a best management practice (BMP) to optimize tree water uptake and maintain nutrients around the root system. A three-year University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) …

What Southeast Citrus Growers Should Be Watching For

Josh McGill Irrigation, Pests, Weather

A prolonged dry spell across the Southeast should have citrus growers ensuring their young trees are properly irrigated. But Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist, cautions growers about applying too much water. “The real young trees don’t have much of a root system, of course. It has been pretty dry. But you don’t want …

Assessing the Safety of a Water Distribution System

Josh McGill Irrigation, Regulation, Tip of the Week

By Taylor O’Bannon, Matt Krug and Michelle Danyluk The U.S. Food and Drug Administration recently proposed changes to the pre-harvest Agricultural Water (Subpart E) section of the Food Safety Modernization Act Produce Safety Rule (PSR). Removing the annual water distribution system inspection is not one of the proposed changes. Rather, water testing for generic E. coli and developing a microbial …

Achieving Water and Nutrient Efficiency

Josh McGill Irrigation, Nutrition, Research

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers emphasized the importance of efficient irrigation and nutrient management at a workshop earlier this month at the Citrus Research and Education Center in Lake Alfred. In Florida, the citrus industry accounts for about 30% of irrigated cropland acreage, reported UF/IFAS researcher Alisheikh Atta. Worldwide, the agriculture industry consumes about …