Plant & Food Research, KVH and Zespri have been working together on a survey of Phytophthora pathogens in kiwifruit orchards throughout New Zealand. This is a two-year project and to date 50 sites have been sampled within the spring 2020 and autumn 2021 sampling rounds.

Focus is on spring and autumn sampling timings as Phytophthora thrive in wet conditions after periods of rain. The next survey round is planned to begin in September and will focus on the Northland (Kerikeri and Whangarei) and South Island (Motueka and Nelson) growing regions.

Any growers interested in being included in this survey or who would like to know more about this programme can contact KVH at [email protected].

Sampling includes the collection of root and soil material, and leaves, from four vines with both healthy and symptomatic vines included. More information is available here.