1. Choosing the right tree. Look for a young guava tree with a strong trunk and healthy foliage. Choose a tree that has a good root system, as this will make it easier to shape and maintain as a ...

The root system of a tomato plant exposed to guava root-knot nematodes. ( Supplied: Queensland Department of Agriculture and Fisheries ) "This one is more aggressive, has a wide host range and has ...

CLEMSON – Clemson University researchers, led by nematologist Paula Agudelo, are armed with close to $7 million to design protocols for managing invasive guava root-knot nematodes.

Guava root-knot nematode has been detected for the first time in Australia — leaving farmers with questions about what to do next. Skip to main content ABC News ...