 |  |  |  |  |  |  |  |  |
Below you'll see everything we could locate for your search of “heat stress”
By Amir Rezazadeh Rising temperatures and climate change challenges of recent years have brought a significant threat to citrus trees. Heat stress, caused by prolonged exposure to high temperatures, poses a severe risk to citrus trees. Excessive soil evaporation, inconsistent rainfall and poor soil water-holding capacity can make trees even more sensitive to heat. High temperatures result in shortened internodes, …
By Anirban Guha Heat stress could take a toll on citrus tree health and fruit yield. In Florida, the hot season lasts more than four months. Long, hot, oppressive summer days can heat up leaves and fruit and make the trees extra thirsty. Also, high soil evaporation, irregular rainfall and poor soil water-holding capacity can often lead to summer drought …
By Amir Rezazadeh Heat stress happens when the body is exposed to extreme heat in a hot environment. Heat-related illnesses include heat stroke, heat exhaustion, heat cramps and heat rashes. Other signs of heat stress include sweaty palms, fogged-up safety glasses and dizziness. Agricultural workers are at risk of heat stress. Those who are 65 years of age or older, …
By Amir Rezazadeh Heat stress affects the production of different citrus varieties, particularly seedless varieties. The severe effect of heat stress can be seen during the flowering and fruit set stage as well as June drop. High temperature can affect different growth stages of citrus trees, such as vegetative growth, flowering and fruit set. EARLY SIGNSThe following are early signs …
By Amir Rezazadeh Heat stress happens when the body is exposed to extreme heat in a hot environment. Heat-related illnesses include heat cramps, heat exhaustion, heat rashes or heat stroke. Other signs of heat stress include sweaty palms, fogged-up safety glasses and dizziness. Those who work outdoors or in hot environments are at risk of heat stress. Workers who are …
Brazil’s citrus crop is suffering this season, according to Franklin Behlau, a senior researcher for Fundecitrus. That was the focus of a recent presentation he provided at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center in Lake Alfred. “Things have changed in Brazil this season,” Behlau said. “We are a little behind …
By Amir Rezazadeh Citrus trees are not immune to the challenges posed by drought stress. Drought stress occurs when a tree’s water supply falls below its demand, leading to physiological disruptions that can impair growth, development and fruit production. In the dry season, when water scarcity is a prevalent issue in Florida, understanding and managing drought stress in citrus trees …
The Florida Fruit & Vegetable Association (FFVA) recently requested the rejection of Miami-Dade County’s proposed Heat Standard for Outdoor Workers. FFVA urged the county’s Community Health Committee (CHC) to engage agricultural producers in developing a meaningful and workable standard. FFVA argued that the proposed standard is intentionally broad and punitive and does not provide the support needed for implementation. The …
By Syed Bilal Hussain, Rachel Gearhart, G. Zeng Michalzcyk and Christopher Vincent Hurricane Ian in 2022 caused significant damage to Florida citrus groves. Even groves that experienced only Category 1 winds have begun to decline as the weather has warmed. Signs of canopy decline include branch dieback and leaf drop. Branches with new growth are also experiencing leaf drop. These …
This summer has been a steamy one with some Florida locations breaking record highs. The latest episode of the All In For Citrus podcast took up the hot topic with Amir Rezazadeh, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) fruit and field crops Extension agent. He addressed how heat can affect citrus trees and people working …
Florida citrus production can be significantly impacted during the summertime heat. High temperatures with little to no rainfall can affect trees’ vegetative growth, fruit set and fruit quality, says Amir Rezazadeh, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) multi-county fruit and field crops agent. Heat is a factor that can cause citrus trees to become significantly dehydrated. …
By Danielle S. Williams Editor’s note: This article grants one continuing education unit (CEU) in the Core category toward the renewal of a Florida Department of Agriculture and Consumer Services restricted-use pesticide license when the accompanying test is submitted and approved. Personal protective equipment (PPE) plays a crucial role in safeguarding pesticide handlers from potential pesticide exposure. While the right …
By Maegan Beatty In mid-April, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) hosted the 9th annual Florida Agricultural Policy Outlook Conference at the Gulf Coast Research and Education Center in Wimauma. The conference examines critical policy issues facing agribusiness leaders and provides economic insights. Participants heard from policymakers, key stakeholders and expert researchers on the farm …
A new web-based tool will help growers reduce risks that come with climate variability. It’s called the climate indicators tool, the newest addition to AgroClimate. AgroClimate is a web-based platform designed 15 years ago by Clyde Fraisse, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) professor of agricultural and biological engineering. Growers can use the new tool …
Turkey’s citrus industry has already experienced effects from climate change, Okan Ozkaya, professor at Cukurova University, reported in a recent World Citrus Organisation (WCO) presentation. His presentation was titled Impact of Climate Change in the Citrus Sector in Turkey and the Broader Eastern Mediterranean Area. “Climate change has been a scenario for many years, but we started to see the …
By Matt Smith Editor’s note: This article grants one continuing education unit (CEU) in the Core category toward the renewal of a Florida Department of Agriculture and Consumer Services restricted-use pesticide license when the accompanying test is submitted and approved. “In retrospect, I would rather have been a poet. Or a farmer.” Instead, British Special Air Services Agent John Patrick …
The U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS) has forecast production of oranges, orange juice (OJ) and lemons/limes in Morocco to decline in 2022–23 compared to the previous season. FRESH ORANGESOrange production in Morocco is expected to decline 35% to 750,000 metric tons (MT). The decline is attributed to unfavorable weather during the growing season, water shortages and …
Morocco’s tangerine and mandarin production for marketing year 2022–23 is expected to fall to 900,000 metric tons (MT), a 34% decline from the previous season’s 1.36 million metric tons. The forecast by the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS) blames the decline on heat stress, water scarcity and increased input costs. Many orchards in the Berkane region …
University of Florida Institute of Food and Agricultural Sciences researcher Nian Wang reported in a July 20 webinar that HLB is a pathogen-triggered immune disease. After explaining the sequence in which the disease attacks trees, he suggested ways growers can use that knowledge to combat HLB. Wang is a microbiologist and cell scientist at the Citrus Research and Education Center. …
In the June episode of the All In For Citrus podcast, Michael Rogers, director of the Citrus Research and Education Center (CREC), speaks live and on-the-scene during the Florida Citrus Industry Annual Conference in Bonita Springs. He said the great turnout for the event, hosted by Florida Citrus Mutual, is indicative of the fighting spirit of the state’s citrus growers. …
