Virus Busters

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Search for 'manage leafroll 3 virus' on Google and you'll end up with more than 200,000 results.

The top three results (and many others) direct you to resources created by New Zealand Winegrowers' Virus Elimination Project (co-funded by the Ministry for Primary Industries’ Sustainable Farming Fund).

The project ran from 2009 to 2015 and looked to provide practical guidance for growers on how to eliminate the most destructive virus present in New Zealand vineyards.

The objective was ambitious, but it was matched by a project that, in all likelihood, represented a world first in terms of its scope, covering more than 1,000 hectares of commercial vineyards in New Zealand.

By 2015, participating vineyards had reduced leafroll 3 infections to less than 1% – a level estimated to be economically sustainable for the life of a vineyard. Even better, New Zealand viticulturists now have the tools they need for effective management in the future.

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