Managing plant pathogens by enhancing ecosystem services

 

Pollination, an example of an ecosystem service  © Reinhold Stansich
Pollination, an example of an ecosystem service © Reinhold Stansich

From the 8th-12th April experts met in Bellagio, Italy to develop a strategy to mitigate the effects emerging plant diseases are having on crops in sub-Saharan Africa. Among these experts were Plantwise staff. A major theme throughout the conference was ecosystem services and how agricultural biodiversity can enhance the provision of these services, creating resilient agro-ecosystems.

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Bellagio Center conference on dangerous plant pathogens

Which is the most important plant-pathogenic fungus?

Stem rust on wheat - one of the Top 10 plant-pathogenic fungi © Yue Jin (USDA ARS)

A survey by the journal, Molecular Plant Pathology, had 495 responses from international fungal pathologists on what they thought the most scientifically and economically important fungal plant pathogens were. Several of the ‘top 10’ fungi from these results are those that infect cereal crops, which isn’t surprising as cereals such as wheat and rice are some of the most highly produced crops worldwide. Continue reading

Quorum-sensing disruption, a new tool for disease management?

A new study by Chernin et al. has found that volatile organic compounds produced by certain Plant Growth Promoting Rhizobacteria (PGPR) can disrupt bacterial cell-cell communication (quorum sensing) in a number of plant pathogens including Agrobacterium, Chromobacterium, Pectobacterium and Pseudomonas. Application of PGPRs could in future be used as a new disease management strategy.

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