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Psyllid captures drop 41% in Brazil's major citrus regions in 2024qrcode

Jan. 29, 2025

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Jan. 29, 2025

Psyllid captures drop 41% in Brazil's major citrus regions in 2024

The capture of psyllids in the citrus belt of São Paulo state and the Southwest Triangle of Minas Gerais showed a 41% decrease in 2024, compared to the same period in 2023, according to a biweekly survey conducted by Fundecitrus and published on the Psyllid Alert platform. The average number of captures fell from 2.23 psyllids per trap in 2023 to 1.32 in 2024. In 2022, the average had been 1.68.


The Casa Branca (SP) region stood out with a 76% reduction in captures, followed by Frutal (MG) with 72% and the São Paulo regions of Bebedouro (68%), Novo Horizonte (64%), and Araraquara (57%). On the other hand, Itapetininga and Brotas recorded increases of 19% and 9%, respectively.


According to Ivaldo Sala, an agronomist engineer at Fundecitrus, the results reflect the effective management carried out by citrus growers, combined with climatic factors such as high temperatures and periods of drought, which negatively impacted the reproduction and dispersal of psyllids.


Despite the reduction in captures, Sala emphasizes the need to intensify management practices to combat greening, which continues to be a serious threat to orchards. He highlights that success is the result of strategies such as regular spraying, elimination of diseased plants, and rotation of action modes, measures that must be maintained and improved, especially in citrus expansion areas.


The Psyllid Alert covers 21 regions in 267 municipalities in the states of São Paulo, Minas Gerais, and Paraná, in addition to areas in Mato Grosso do Sul. With more than 35,000 traps installed, monitoring has been crucial in guiding producers in insect control.


These efforts, aligned with technical work and weather conditions unfavorable to the psyllid, have been fundamental for reducing captures and protecting Brazilian citrus production.




The prevention and control of citrus greening disease is a major problem in citrus planting globally, and there is no very effective means to prevent and control it. Scientists have not given up researching and developing new technologies and products in the hope of bringing breakthrough solutions to citrus growers. 


Silvec Biologics, a Maryland based agtech company that develops RNA-based plant protection products, has announced that a first-of-its-kind RNA vector delivery product to combat the devastating and incurable citrus greening disease, has progressed to the Full Science Review Phase of the EPA Pesticide Regulation Improvement Act (PRIA) registration process following successful completion of Milestone #4 – Technical Screen in July 2024. Stephen Yang, Chief Product Officer at Silvec Biologics, will make a speech on the topic of ″A first-of-its-kind RNA vector delivery technology to combat citrus greening disease″ at the upcoming 6th Biopesticides, Biostimulants and Biofertilizers Summit (BioEx 2025), which will be held on March 13-14 in Shanghai, China. 



Source: UOL

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