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Our Projects

The first four years of the A Lighter Touch programme has seen a broad range of projects funded, some specific to a particular plant product group, and others having benefits across multiple crops and sectors. Many are focused on particular pests or diseases, some are evaluating spray residues, and others focus on the use of beneficial organisms and biodiverse planting to help manage insect pests. A brief summary is provided for each project, categorised here under Completed, In Progress and Upcoming. These project pages will continue to be updated with latest developments and results over the coming months.

This Quick Reference Guide is designed to easily identify pests and diseases that A Lighter Touch co-funded projects are targeting.

Completed Projects

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Soilborne disease control in squash

Completed
Pan sector

Soilborne disease control in squash

Soilborne disease control, specifically Fusarium oxysporum, is the most important crop protection gap for participating sectors. Two field trials were…

New fungicide residue trials in broad beans

Completed
Pan sector

New fungicide residue trials in broad beans

Botrytis is a significant issue in many crops including broad beans. The imminent demise of the only viable option (carbendazim)…

Sclerotinia control in dwarf beans

Completed
Pan sector

Sclerotinia control in dwarf beans

The demise of chemistry available for the control of Sclerotinia in field beans has left this crop significantly exposed. This…

Downy mildew control in spinach

Completed
Vegetables NZ

Downy mildew control in spinach

Downy mildew is the most important pest or disease control gap in spinach in New Zealand. Where conditions favour the…

Bacterial head rot control in broccoli

Completed
Pan sector

Bacterial head rot control in broccoli

Bacterial disease was ranked as a concern in crop protection for several sectors. Five field trials were undertaken to evaluate…

Thrip control in onions

Completed
Pan sector

Thrip control in onions

Thrips were identified by several sectors as an area of concern for crop protection. Four field trials were conducted to…

Insecticide residues in summerfruit

Completed
Summerfruit NZ

Insecticide residues in summerfruit

Chlorpyrifos may no longer be a sustainable option for summerfruit growers given its incompatibility with integrated pest management (IPM) practices,…

Biodiverse planting in perennial crops

Completed
A Lighter Touch

Biodiverse planting in perennial crops

The aim of this project was to develop an understanding of how overall biodiversity and specific natural enemies could be…

In Progress Projects

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Biologicals awareness and integration

In Progress
A Lighter Touch

Biologicals awareness and integration

This project is focused on increasing knowledge and understanding about the use of biologicals and how to successfully integrate them…

Thrips predator efficacy testing in strawberries

In Progress
Strawberries NZ

Thrips predator efficacy testing in strawberries

This project with Strawberry Growers New Zealand is focusing on the control of thrips, in particular the species Frankliniella intonsa…

Evaluating UV-C light treatment for the control of diseases in summerfruit

In Progress
Summerfruit New Zealand

Evaluating UV-C light treatment for the control of diseases in summerfruit

For summerfruit, fungicides and bactericides are used to control diseases such as Monilinia fruticola (Brown rot), Botrytis cinerea and Pseudomonas…

UV light in vineyards to reduce fungicide dependence

In Progress
Bragato Research Institute

UV light in vineyards to reduce fungicide dependence

This project will trial UV-C technology in Sauvignon blanc grapes for control of powdery mildew, and has the potential to…

Bacterial disease control

In Progress
Passionfruit NZ, Summerfruit NZ, Vegetables NZ

Bacterial disease control

This project is focusing on bacterial disease control in three crops, passionfruit, broccoli and summerfruit. Trial work in spring and…

Unlocking potential of organic compounds

In Progress
Pan sector

Unlocking potential of organic compounds

This project involves the screening of some organic compounds as potential controls for bacterial pathogens. It is an extension of…

Mealybug control in persimmons

In Progress
NZ Persimmon Industry Council

Mealybug control in persimmons

This project with the New Zealand Persimmon Industry Council will evaluate bioinsecticide options for control of mealybugs in persimmons. Three…

Control of Black field cricket

In Progress
Vegetables NZ

Control of Black field cricket

Black field cricket is a serious pest for vegetables (especially kūmara) and pasture in northern areas of New Zealand. Black…

Upcoming Projects

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Biohub information portal

Upcoming
Pan sector

Biohub information portal

BioHub is a proposed information portal for growers to understand the impact of their agrichemical use on beneficial insects. If…

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