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Psa-V

Psa-V

Psa-V Pseudomonas syringae pv. actinidiae (Psa) is a bacteria that can result in the death of kiwifruit vines. It was first discovered in New Zealand in November 2010 and rapidly caused widespread and severe impacts to New Zealand's kiwifruit industry.

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Past Psa-V resources


The kiwifruit industry has been at the forefront of biosecurity and pest management for many years. This proactiveness and future thinking continues with implementation of of the industry’s Pathway Management Plan.

With the introduction of the new Plan, the industry moved into a new phase of Psa protection and longer-term management from 1 April 2023.

Psa continues to be managed in the same way, by the industry working collectively at an orchard, regional and national level to reduce spread and impacts, and ensure best practice for day-to-day management of the pathogen on-orchard.

To ensure the very best support for growers moving forward through this new phase there are changes in some responsibilities. To be consistent with other crop protection responsibilities for pests already present in New Zealand, Zespri now coordinates support to growers to manage the impact of Psa on-orchard and updates industry resources and tools to promote Psa management best practice. View these on the Zespri Canopy website here.

As the industry's dedicated biosecurity body KVH retains all high-risk management of Psa and preparedness for any new variants.


Psa resources produced by KVH pre 1 April 2023

Below you will find several Psa resources and pieces of information and advice that were produced by KVH prior to the 2023 move into a new phase of longer term management and the introduction of the Pathway Management Plan.

If you have any questions about these resources and their past usage, please contact KVH at info@kvh.org.nz or 0800 665 825.

The Biosecurity (National Psa-V Pest Management Plan) Order 2013 commenced Friday 17 May 2013 for a 10 year term. Detailed information is available here, or you can read the KVH summary.

Read more about development of the Pathway Management Plan, which replaced the NPMP.

Psa best practice

Psa spray information

Psa protectant products

Information about the five categories of products (copper, bactericides, elicitors, biological control agents, and CPPU).

Psa cut out: orchard assessment

Psa cut out: resources for teams

Psa orchard hygiene posters

English - Maori - Hindi - Nepalese - Punjabi - Samoan - Spanish - Thai - Simplified Chinese - Tongan

A short instructional hygiene video was also produced in English and Punjabi.

Psa risk compass infographic posters

The Psa-V risk compass provided infographic-style poster presentations of key issues for consideration when developing and implementing strategies for managing Psa-V.

Male management

Male vines appear more susceptible to Psa than female vines. Choice of cultivar and careful cultural management of male vines are important in minimising productivity impacts of Psa on orchards.

Psa research and development

KVH and Zespri innovation established in early 2011 a global research and development programme that enlisted the best scientific minds globally to provide solutions. This created a toolbox for managing Psa, and our understanding of appropriate plant husbandry progressed significantly.

Between 2011 and 2023, many reports and papers were published for the kiwifruit industry on the KVH website.

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LATEST NEWS

18 Sep 2024

NZKGI 30 Year Gala Dinner tickets on sale

Since 1994 NZKGI has represented and supported all New Zealand kiwifruit growers through a myriad of challenges, to the booming industry we have today. From recent success with the decision to retain Hi-Cane, to support for growers in the aftermath of Cyclone Gabrielle, NZKGI has advocated through every high and low. 2024 marks several significant industry milestones: the 35th anniversary of the Single Desk, 30 years of NZKGI, and 25 years since the Kiwifruit Industry Restructuring Act allowing Zespri’s commercial operations. To celebrate these important milestones, NZKGI is hosting a special event the night of 22 October, expecting 400 attendees (primarily growers). The focus of the evening will be on networking and reflection, with insights from some of the pioneering growers whose leadership and negotiation skills, often at significant personal cost, were crucial in steering the industry through crises in the late 1980s and early 1990s, laying the foundation for the thriving industry we see today. When: Tuesday 22 October, 5.30pm – 10.00pm Where: Lion Foundation Centre, Mercury Baypark Tickets: Buy here

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26 Aug 2024

Celebrating a pest-free Port

KVH will be at the Port of Tauranga over the coming weeks, highlighting frontline efforts to ensure a pest-free environment. There are many enthusiastic people who work on and around the Port who know biosecurity is a critical issue, affecting everyone in some way. With hundreds of people operating on the frontline of the Port community daily, we have lots of eyes constantly on the lookout for unwanted pests. The Port deals with millions of tonnes of cargo each year, and around 100 cruise ships over every summer, so we all need to be ready, vigilant, and watchful. Biosecurity matters at Ports because it is also a significant business risk. The frontline staff we’ll be meeting with and talking to - such as stevedores, and straddle/crane drivers - are the best placed to initially notice and report anything unusual. Our key message is if something happens, there will be a cost to you, your job, or your business, and you need to know what you can do to stop it. As the organisation responsible for leading biosecurity preparedness on behalf of the kiwifruit industry, KVH partners in this initiative alongside the Port of Tauranga and the local Biosecurity New Zealand team. Other activities with the Port community include staff from Biosecurity New Zealand visiting transitional facilities across the Bay of Plenty to share up-to-date information about managing risk and distribute useful collateral such as the ever popular 12 most unwanted pests calendar produced by the partnership, and both Biosecurity New Zealand and KVH taking part in pre-cruise season briefing sessions for the Port’s security staff. You can see online versions of the resources we’ll distribute this year here: Annual pest calendar September 2024 - August 2025"Most unwanted pests” playing cardsSpot it, snap it, report it frontline lunch bags

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26 Aug 2024

Biosecurity best practice

What are the top five things you need to do if you are part of the kiwifruit growing community in New Zealand, to ensure you are following biosecurity best practice and managing risk? We’ve created a video – it’s only two minutes long – running through all five easy to follow steps. It’s specifically designed to help with training, and for use at places like reception areas and events so if you’d like a copy let us know. Thank you to the team at Trevelyan’s for the support in producing the video, including the sites and wonderful talent! Watch it here.

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