Federal researchers announced that they have found an innovative way to treat pathogens (harmful bacteria) and pests in citrus trees and potato and tomato plants without the use of antibiotics. The researchers are with the U.S. Department of Agriculture’s (USDA) Agricultural Research Service (ARS). The research was done in collaboration with the University of Florida and AUM LifeTech Inc.
The researchers found that the molecule FANA ASO (antisense oligonucleotide), when used in a water solution, attacks the inner part of the pests’ cells and also reduces the harmful bacteria the insects transmit.
“Bacterial pathogens have only been targeted using antibiotics in fruit crops and livestock animals,” said Wayne Hunter, ARS research entomologist at the U. S. Horticultural Research Laboratory in Fort Pierce, Florida. “The successful use of FANA to target these pathogens in citrus trees, grapevines and vegetable crops is a game-changer. It has transformed how we can manage pathogens and pests of plants in the future.”
Bacteria exhibit certain characteristics, such as rapid reproduction or protective coating that make them difficult to manage with antibiotic treatments. FANA has the capacity for stronger management practices by targeting insects, bacteria and viruses through multiple delivery methods. That makes it easy to apply directly to the soil and root zone of citrus trees, potted plants, or as a topical spray application onto the leaves of plant foliage.
“Unlike previous issues we encountered with similar technologies, the multiple delivery methods of FANA are all very effective,” said Rodney Cooper, ARS research entomologist at the Temperate Tree Fruit and Vegetable Research Unit in Wapato, WA. “This opens the door for further research to extend this to other varieties of fruit and vegetable crops.”
This study is published in the July issue of Frontiers in Agronomy-Pest Management.
Source: U.S. Department of Agriculture’s Agricultural Research Service
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