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CPLI Newsletter 4 Dec 2023

The Canterbury Psyllid Liberibacter Initiative (CPLI) was formed in August 2021 by like-minded farmers and industry representatives to combat the devastating … Read More

Sustainable Vegetable Systems Update No. 13: Crop residues, fallow periods & management practice

Prepared by: Andrew Barber and Henry Stenning (Agrilink NZ), Trish Fraser and Bruce Searle (PFR). We pulled this article together … Read More

Sustainable Vegetable Systems Update No.12: Programme Update Q2 3rd year.

Update No. 11 Sustainable Vegetable Systems (SVS)Programme update, March 2023: Quarter 2 report, 3rd year. Latest activities  Workstream 1 trial resultsThe two … Read More

CPLI Newsletter No.4 Dec 2022

We’re so proud of the research achievements in our Canterbury Potato Liberibacter programme that we’ve decided to share the newsletter … Read More

Sustainable Vegetable Systems Update No.11: Acknowledging and reducing soil nitrogen variability

Growing vegetables seems to be like juggling while standing on marbles. Then it rains. Built upon many years of research … Read More

Sustainable Vegetable Systems Update No.10: Programme Update Q1 3rd year.

Sustainable Vegetable Systems Quarterly Report – Programme Governance Group Quarter 1, July – September 2022 Contract Agreement Number: 21859 1.1   … Read More

MEDIA RELEASE: SVS Video launch celebrates good direction

POTATOES NEW ZEALAND MEDIA RELEASE Embargoed Date: 18th November 2022 2.30pm Media contact: or call 027 240 4682 Re: … Read More

Sustainable Vegetable Systems Update No.9: Programme Update Q4 2nd year.

Quarterly Report – Programme Governance Group Quarter 4, April – June 2022 Summary of progress during this quarter Workstream 1 … Read More

Sustainable Vegetable Systems Update No.8: Programme Update Q3 2nd year.

Update No. 8 Sustainable Vegetable Systems (SVS)Programme update, March 2022, Quarter 3, 2nd year.Full report with data tables can be read here. … Read More

Sustainable Vegetable Systems Update No.7: Making the invisible, visible.

Tool development: Making the invisible, visible. By Andrew Barber, Sustainable Vegetable Systems’ Programme Manager. Nitrogen is invisible, its effects aren’t. … Read More

Sustainable Vegetable Systems Update No.6: Understanding grower and agronomist perspectives.

Article by Gemma Carroll, PNZ Communications & Extension Officer, based on a report prepared by Waka Paul, Social Scientist, Plant … Read More

Sustainable Vegetable Systems Bulletin No.2: Nitrogen Balance

Understanding management and environmental implications of nitrogen use in vegetable crop production. by PFR scientists Bruce Searle, Trish Fraser, & … Read More

Sustainable Vegetable Systems Update No.5: Programme Update

The Sustainable Vegetable Systems (SVS) program has made great progress with trials and data forming the foundation for interesting conversations around … Read More

Sustainable Vegetable Systems Update No.4: individualised mineral N tracking reports

By Henry Stenning and Andrew Barber Sustainable Vegetable Systems (SVS) – progress The Sustainable Vegetable Systems (SVS) programme continues apace, … Read More

Sustainable Vegetable Systems Update No.3: Grower Nitrogen Fertiliser Practices, baseline findings.

Edited extracts from the SVS Grower Baseline Report. The full report can be read here The Sustainable Vegetable System … Read More

Sustainable Vegetable Systems Bulletin No.1: Understanding Nitrogen

Understanding soil nitrogen Soils in New Zealand typically contain between 5000 and 9000 kg of total nitrogen (N) per hectare … Read More

Sustainable Vegetable Systems Update No.2: Robust models mean the best farmer-facing tools.

Sustainable Vegetable Systems (SVS) monthly update: improving the modelling via Workstream 3 and extension activities in Workstream 4. Sustainable Vegetable … Read More

Sustainable Vegetable Systems Update No.1: Program progressing despite a year of pandemic disruption.

For PNZ NZ Grower: June 2021 Issue. Sustainable Vegetable Systems Program progressing despite a year of pandemic disruption. Problem Recognition … Read More

PRESS RELEASE 3rd September 2020: $4.7 million funding boost for Sustainable Vegetable Systems project.

POTATOES NEW ZEALAND MEDIA RELEASE                                        Embargoed Date: 3rd September 2020 2pm Media contacts:PNZ: Gemma Carroll 027 240 4682 … Read More

Potatoes leading the way: Zero Net Emissions by 2050.

By Gemma Carroll, PNZ Communications & Engagement Officer. Featured image Chris Pescini’s potato field, Levin. In February 2020, the Potatoes … Read More

Emissions targets – here’s the plan

By Gemma Carroll, Communications & Engagement Officer for Potatoes New Zealand On Friday the 13th September a room of bright … Read More

PNZ Nutrient Taskforce will provide Social & Environmental License to grow potatoes

By Chris Claridge & Gemma Carroll Potatoes New Zealand’s Research & Development programme are excited to launch their latest project. … Read More

Management of Zebra Chip in the USA

Neil Gudmestad’s June 2019 NZ tour was well received and he has permitted us to share this American approach to … Read More

Management of Zebra Chip in the USA

Neil Gudmestad’s June 2019 NZ tour was well received and he has permitted us to share this American approach to … Read More

Future spuds that pack a nutritious punch

Will the future of farming look more like Star Trek than Footrot Flats, with drones, probes and farmers behind screens rather than tractor … Read More

Nutrient management for Vegetables Crops in NZ

We have a new Nutrient Management Advice PDF for Potato Growers. A revision of a previous resource, from Jeff Reid … Read More

Re-greening control for pest and disease control

By Gemma Carroll   The Regreening Project is a Sustainable Farming Fund project, in which it is hoped protocols for … Read More

The future is here

by Gemma Carroll    Teralytic is a soil analytics company which enables farmers to grow more, using less product/enhancement/applications whilst reducing the environmental impact of agriculture.   Teralytic’s wireless … Read More

For the #Spudlove

Republished with permission from    Calling all carb fans – here’s your chance to chow down in the name of science.   … Read More

Research will enhance our industry’s output and land use

By Gemma Carroll PNZ Communications & Engagement Officer  Dan Bloomer joins our 2019 Field Walks and is talking through the … Read More

Pulse Electric Field (PEF) application for use in the potato industry 

Article provided by Indrawati Oey, PhD Professor of Food Science    Pulsed Electric Fields (PEF) processing technology applies very short (microseconds) pulses of high voltage electricity … Read More

An app to smartly identify plant pests and diseases

Modern technology put to practical use for potato growers: A smartphone app developed by The James Hutton Institute in Scotland … Read More

Deciphering potential climate change impacts on potato production

Recent extreme weather events such as heat and drought, and unprecedented heavy rain have resulted in reduced bulking and encouraged … Read More

Technology to boost quality of processed potatoes

Pulsed Electric Field (PEF) technology has become a buzz term in the potato processing industry the past few years. This new technology is said to … Read More

Bryan Hart: Fighting the powdery scab battle

Project PT16002 is a three-year project examining if different field soils affect the development of powdery scab in potato crops … Read More

Eco-friendly potato skin packaging

It was widely reported in the media during September that Italian designers Simone Caronni, Paolo Stefano Gentile and Pietro Gaeli … Read More

Safer fries? An acrylamide solution from Norway offers hope

Acrylamide in refined food is a growing and serious concern among international health authorities. Zeracryl AS in Norway collaborated with … Read More

Managing powdery scab

By Gemma Carroll  Information sourced from Dr Calum Wilson’s article in Potatoes Australia, with his permission.  A four year research programme at the Tasmanian Institute of … Read More

Plant and food trial soil-water management

By Heather Chalmers for PNZ Improving soil and water management may assist in lifting potato yields, Plant and Food Research trials show.     Growers are … Read More

Nitrate soil testing a boon for growers

By Heather Chalmers for PNZ A test which allows growers to assess soil nitrate levels in the field in a … Read More

Latest Seed Rulebook

The New Zealand Seed Potato Certification Authority is proud to announce that the new rule-book for seed certification is now … Read More

Tamarixia Survey and Release guides

Plant & Food Research have prepared two guides for your information as a component of the Tamarixia release programme. These … Read More

TPP response

Providing tools to assist the potato industry to manage and control Tomato Potato Psyllid is the focus of several research projects being … Read More

Taking steps towards long-term late blight resistance

Globally, late blight (Phytophthora infestans) is the most destructive pathogen of potatoes, and has been identified as the cause of … Read More

The impact of seed and soil health on potato productivity.

A three-year Sustainable Farming Fund project investigated the impact of both soil physical structure and potato seed health on crop … Read More

Psyllid Research Update – Reduced Insecticide Trial & Monitoring Programme

Plant and Food research have been studying the impact of different spray regimes on Tomato Potato Psyllid (TPP) populations in … Read More

Potatoes New Zealand Potato and Massey University Tuber Spectral Imaging Project

The project will apply vision-processing techniques of hyperspectral video images to generate a flat surface map of each rolling tuber, … Read More

Do some potato-growing soils suppress powdery scab?

A research project in New Zealand is determining if different field soils affect development of powdery scab on potatoes, and … Read More

R&D Update – April 2018

Research, Development & Extension (RD&E) is one of the four themes driving Potatoes New Zealand Inc (PNZ)’s strategic plan. The … Read More

Varying potato bed architecture to improve crop water use dynamics

Alex Michel, Sarah Sinton and Steven Dellow, Plant & Food Research (PFR) Potato crops require high water supply and are … Read More

R&D Update – January 2018

At the recent Potatoes NZ Grower Talks, Jen Linton (Research Manager for FAR)  provided a high-level update on a selection of the … Read More

Profiting from improving table potato quality and pack-out

A recently published Ontario Produce Marketing Association research report proposes how improving table potato quality and pack-out can increase profitability. Click here … Read More

Busy potato research season

Update by Jen Linton, Potato Research Manager, FAR The number of trials and sites around the country has made the … Read More

Grower talk – mesh crop covers

Dr Charles Merfield from the BHU Future Farming Centre spoke at a Growers Talk in Lincoln on 14 March 2017. … Read More

Precision agriculture for potatoes

Key Points In paddock variation in yield and tuber size occur in potato crops. Yield and tuber size variation can … Read More

Evaluation of the drying & size reduction processes for the production of potato flour

The following is a project report by Massey University Bachelor of Food Technology Honours student Yvette Coyle. Abstract… This project involved investigating the … Read More

Parameters for the hydrolysis and fermentation of potato waste to produce ethanol – Eileen Huiting

The following is the abstract of a report by Massey University Bachelor of Food Technology Honours student Eileen Han Huiting ABSTRACT Many … Read More

Irrigation Impact on Soils

The yield of potato is constrained by available root volume.

EPA Tamarixia application update

There has been no further update on the progress of the submission following the hearing in early May 2016. The … Read More