Fundecitrus researchers contributed to two recent citrus gatherings in South America — the 48th Expocitrus/44th Citriculture Week in Sao Paulo, Brazil, and a CITRIBAC project meeting in Argentina. Researchers Franklin Behlau, Marcelo Miranda and Geraldo Silva Júnior, along with postdoctoral fellows Deived Carvalho and Wellington Ivo Eduardo, gave lectures on citrus-growing topics at the 48th Expocitrus/ 44th Citriculture Week. The …
Drone Sprays for Psyllids Effective in Brazil
Using drones to apply chemical control for HLB-spreading psyllids in Brazil proved effective against adult insects, a Fundecitrus researcher reported. The researcher, Marcelo Miranda, said psyllid mortality was above 80% as a result of drone applications. Miranda’s work was pioneering in 2021. There was no record of the use of drones for the chemical control of the psyllid in western …
HLB Researcher Honored
Fundecitrus researcher Marcelo Pedreira de Miranda has received the Outstanding Citriculture Engineer-Agronomist Award from the 48th Expocitrus and 44th Citriculture Week. The Brazilian entomologist, whose main studies are related to HLB, has worked at Fundecitrus since 2008. The award ceremony where Miranda was honored was part of the opening afternoon of the exhibition week and was attended by authorities and …
Psyllids Resistant to Insecticides in Brazil
Psyllids collected in orchards in four microregions of Brazil’s citrus belt showed reduced susceptibility to insecticides from the pyrethroid and neonicotinoid chemical groups. That information was reported earlier this year by agronomist and researcher Fernando Amaral of the Arthropod Resistance Laboratory at the Luiz de Queiroz College of Agriculture/University of São Paulo (ESALQ/USP). This was the first confirmation of psyllid …
Awareness Campaign Battles HLB in Brazil
Brazil’s Fundecitrus in 2022 and 2023 conducted an awareness campaign to replace citrus and myrtle plants to combat HLB in the municipality of Itobi, São Paulo. The citrus and myrtle plants were replaced with other fruit and ornamental species that do not host the Asian citrus psyllid that transmits HLB, also known as greening disease. These citrus and myrtle plants …
Brazil’s Initial Orange Forecast for 2023–24
The 2023–2024 initial orange forecast for Brazil’s citrus belt is 309.34 million boxes. The forecast was announced on May 10 by Fundecitrus and its cooperators. The projected volume is 1.55% less than the previous crop, which totaled 314.21 million boxes. Fundecitrus reported that weather conditions are positive for the 2023–24 crop with rains being 50% above the historical average. However, …
Brazil’s Sustainable Citriculture Effort Updated
Sustainable Citriculture, a voluntary initiative by citrus growers and orange juice industries in São Paulo and Minas Gerais, has completed two years in search of sustainable development for Brazilian citriculture. The initiative, which is committed to preserving natural resources, has created a set of actions and partnerships that seek to encourage responsible food production and environmental protection. Its goals include …
Brazil’s Final Orange Forecast for 2022–23
The final 2022–23 orange crop forecast for Brazil’s São Paulo and West-Southwest Minas Gerais citrus belt is 314.21 million 90-pound boxes. While the crop declined 0.6% from the February forecast, it is much larger than the country’s 2021–22 crop. The Valencia and Valencia Folha Murcha varieties declined by 1.1% since February to 105.01 million boxes, and the Natal variety declined …
Uruguay Has First HLB Detections
The first cases of plants with HLB disease have been confirmed in Uruguay, according to a health emergency note released by the country’s Ministry of Livestock, Agriculture and Fisheries. Plants with symptoms were found in a residence in the city of Bella Unión. After laboratory analysis, the presence of the disease was confirmed. Inspections were carried out in the homes …
Black Spot Management by Variety and Age
In Brazil’s São Paulo citrus belt, infections of fruit by black spot usually occur from petal fall, in September/October, until the end of the rainy season, usually in April. Black spot can reduce production by up to 85%. Some studies have shown that the amount of fungicide applications to control black spot can be established according to the orange variety. …
HLB Concerns Government Officials in Brazil
Brazil’s Fundecitrus on Feb. 15 participated in a meeting with state and local government representatives to discuss the country’s citrus greening (HLB) situation. Representatives of the Department of Agriculture and Supply (SAA) of the state of São Paulo and mayors of some municipalities in the citrus belt also attended. Mayors and representatives of city halls expressed concern about the economic …
Rust Mite Damage and Management
Phyllocoptruta oleivora, known as the false rust mite in Brazil, is one of the country’s main citrus pests, Fundecitrus reported. In the United States, the pest is known as citrus rust mite or silver mite. It affects all varieties of citrus. Infestation in Brazil’s orchards occurs throughout the year but reaches the highest populations between December and June. That’s a …
Brazil’s Orange Forecast Climbs Slightly
The third 2022–23 orange crop forecast for Brazil’s São Paulo and West-Southwest Minas Gerais citrus belt amounted to 316.23 million boxes of 40.8 kilograms each. That is 0.7% higher than the projected crop in December 2022. This increase is mainly due to the production of Pera Rio orange. Pera Rio’s harvest is close to complete with higher-than-expected yield. The forecast …
Leafminer Management Helps Fight Canker
Brazilian citrus association Fundecitrus has alerted growers that proper management to combat citrus canker in orchards begins with leafminer control. The leafminer is a pest that has been present in Brazilian citriculture since 1996. According to Fundecitrus researcher Franklin Behlau, the leafminer does not spread citrus canker disease from one plant to another or even to different parts of it. …
Orange Crop Forecast for Brazil Remains Stable
The second 2022–23 orange crop forecast update for the São Paulo and West-Southwest Minas Gerais citrus belt, published on Dec. 12 by Fundecitrus and its cooperators, is 314.11 million boxes of 40.8 kilograms each. This update indicates that the crop remains within expectations in relation to the projected forecast in September, with an increase of only 20 thousand boxes, which …
Sustainable Citrus Group Meets in Brazil
Researchers, professors and representatives of institutions participating in a sustainable citrus project recently visited Brazil’s Fundecitrus for a progress meeting. The project is Sustainable Citrus Culture Through the Controlled Release of Antibacterial Compounds From Formulations Based on Microgels. The project aims to develop sustainable technologies for the protection of citrus and as an alternative to copper, which is recognized as …
Fundecitrus Researchers Attend Citrus Congress
Researchers from Brazil’s Fundecitrus participated in the 14th International Citrus Congress held in Mersin, Turkey, Nov. 6–11. The event brought together participants from public and private research institutions, as well as the production and commercial sectors of citrus. Representatives from 28 countries participated in the congress, including the United States, South Africa, Australia, Israel and several countries in Europe. Fundecitrus …
OJ Helps Modulate Blood Glucose Levels
Recent Brazilian research indicates that the bioactive compounds in orange juice (OJ) help to modulate blood glucose levels and may even promote health improvements. The research was conducted by the Food Research Center of the Faculty of Pharmaceutical Sciences of the University of São Paulo. The research was highlighted in Fundecitrus’ Citricultor magazine. According to principal researcher Franco Lajolo, oranges …
Irrigation Contributes to Rising Yields in São Paulo
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%, …
Brazilian NFC OJ Exports Boom
Brazilian exports of not-from-concentrate orange juice (NFC OJ) have jumped 296% in volume over the past 18 crop seasons, reaching a peak of 1.5 million tons in the 2017–18 season. During the same period, exports of concentrated OJ declined 46%. Concentrated OJ historically had accounted for the highest volume of shipments of orange products to international markets. The increase in …