Protecting crops through nanotechnology in Southeast Asia

by The Alliance of Bioversity International and the International Center for Tropical Agriculture First used by Alliance of Bioversity and CIAT scientists to detect COVID-19 in Colombia, nanopore technology can also analyze the spread of plant viruses. Credit: Alliance of Bioversity International and CIAT / E. Ramirez In a recent breakthrough, DNA sequencing technology has

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by The Alliance of Bioversity International and the International Center for Tropical Agriculture

First used by Alliance of Bioversity and CIAT scientists to detect COVID-19 in Colombia, nanopore technology can also analyze the spread of plant viruses. Credit: Alliance of Bioversity International and CIAT / E. Ramirez

In a recent breakthrough, DNA sequencing technology has uncovered the culprit behind cassava witches’ broom disease: the fungus genus Ceratobasidium. The cutting-edge nanopore technology used for this discovery was first developed to track the COVID-19 virus in Colombia, but is equally suited to identifying and reducing the spread of plant viruses.

The findings, published in Scientific Reports, will help plant pathologists in Laos, Cambodia, Vietnam and Thailand protect farmers’ valued harvest.

“In Southeast Asia, most rely on cassava. Its starch-rich roots form the basis of an industry that supports millions of producers. In the past decade, however, cassava witches’ broom disease has stunted plants, reducing harvests to levels that barely permit affected farmers to make a living,” said Wilmer Cuellar, Senior Scientist at the Alliance of Bioversity and CIAT.

Since 2017, researchers at the Alliance of Bioversity International and CIAT have incorporated nanotechnology into their research, specifically through the Oxford Nanopore DNA/RNA sequencing technology. This advanced tool provides insight into the deeper mysteries of plant life, accurately identifying pathogens such as viruses, bacteria and fungi that affect crops.

“When you find out which pathogen is present in a crop, you can implement an appropriate diagnostic method, search for and integrate that diagnosis into variety selection processes,” said Ana Maria Leiva, Senior Researcher at the Alliance.

Nanotechnology, in essence, is the bridge between what we see and what we can barely imagine. This innovation opens a window into the microscopic world of plant life and pathogens, redefining the way we understand and combat diseases that affect crops.

More information:
Ana M. Leiva et al, Ceratobasidium sp. is associated with cassava witches’ broom disease, a re-emerging threat to cassava cultivation in Southeast Asia, Scientific Reports (2023). DOI: 10.1038/s41598-023-49735-5

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The Alliance of Bioversity International and the International Center for Tropical Agriculture

Citation:
Protecting crops through nanotechnology in Southeast Asia (2024, February 5)
retrieved 6 February 2024
from https://phys.org/news/2024-02-crops-nanotechnology-southeast-asia.html

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