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Grower News
14 August 2014
KVH grower meetings in Hawkes Bay and Nelson
14 August 2014
KVH will meet with growers in Hawkes Bay and Nelson immediately following the scheduled KISP grower road shows. KVH and Zespri representatives will advise local growers on best practice advice moving...
KVH grower meetings in Hawkes Bay and Nelson
14 August 2014

KVH will meet with growers in Hawkes Bay and Nelson immediately following the scheduled KISP grower road shows. KVH and Zespri representatives will advise local growers on best practice advice moving into spring and protective spray programmes.

Hawkes Bay
Monday 25 August at The Duke of Gloucester, 389 Gloucester Street, Taradale
10.15am – 12.15pm (KISP Meeting)
12.15 – 12.45 (KVH meeting)

Nelson
Monday 1 September at Top 10 Holiday Park, 10 Fearon Street, Motueka
11.30am – 1.30pm (KISP Meeting)
1.30pm – 2pm (KVH meeting)

Click here for a full schedule of the KISP grower road shows

Grower News
14 August 2014
KeyStrepto
14 August 2014
As KeyStrepto™ has been granted a limited label claim by ACVM, there is no longer a requirement for KVH to complete auditing prior to KeyStrepto™ application. Meeting the conditions of...
KeyStrepto
14 August 2014

As KeyStrepto™ has been granted a limited label claim by ACVM, there is no longer a requirement for KVH to complete auditing prior to KeyStrepto™ application. Meeting the conditions of use for KeyStrepto is  100 percent grower responsibility.

KeyStrepto™ must not be applied within seven days of the first kiwifruit flowers opening (male or female). Open flowers should be kept to an absolute minimum in the sward by mowing and/or applying herbicides if required.

Before applying KeyStrepto™ a Site Inspection Record must be completed by whoever is responsible for the orchard. This Site Inspection Record is available from the KVH website here. KVH is currently reviewing its apporach to random auditing this year.

It’s important the use conditions for KeyStrepto™ are adhered to, as misuse could pose significant risk to the continued use of this valuable tool within the kiwifruit industry.

Protocols & Movement Controls
14 August 2014
KPCS audit results in Psa-V discovery
14 August 2014
Last week a nursery applying for Kiwifruit Plant Certification Scheme (KPCS) certification was found to have Psa-V for the first time.  It was detected by KVH during testing which is part of the...
KPCS audit results in Psa-V discovery
14 August 2014

Last week a nursery applying for Kiwifruit Plant Certification Scheme (KPCS) certification was found to have Psa-V for the first time.  It was detected by KVH during testing which is part of the certification process.

The result follows a severe weather event in the region and comes as a disappointment for the nursery which had been following KVH Protocols and working towards the Core Standard with many systems in place to achieve certification.

KVH is working with the nursery to manage the risks and assist with recovery over the longer term; along with tracing of plant movement, contacting affected growers and working with regional coordinators in these areas.

Nurseries selling plants under the KPCS must pass an external systems audit and have independent verification they are free of the target pests and diseases.

KVH continues to work with kiwifruit nurseries to improve biosecurity practices and certify them under the KPCS Core Standard. By purchasing certified plants, growers have assurance they are investing in the best possible start when establishing new vines.
 

Protocols & Movement Controls
7 August 2014
Kerikeri Controlled Area and Notice of Direction lifted
7 August 2014
In October 2012 KVH established a ‘Kerikeri Controlled Area’ to help prevent the spread of Psa-V in the Kerikeri region.  At the time one Kerikeri orchard had been identified with...
Kerikeri Controlled Area and Notice of Direction lifted
7 August 2014

In October 2012 KVH established a ‘Kerikeri Controlled Area’ to help prevent the spread of Psa-V in the Kerikeri region.  At the time one Kerikeri orchard had been identified with Psa-V.

Psa-V has now been identified on 26 orchards throughout the Kerikeri region, including orchards outside of the Controlled Area. Therefore, the KVH Board has decided to remove the Kerikeri Controlled Area; and lift the Notice of Direction issued to growers, effective immediately.

Although the notice has been lifted, the National Psa-V Pest Management Plan (NPMP) rules and requirements still apply.  All orchards within the Kerikeri Psa-V Containment Region have rules covering movement of risk items including plants and machinery (within, into and out of the Region), application of crop protection products, vine management, monitoring and reporting of Psa-V symptoms.

Protocols & Movement Controls
7 August 2014
Cane testing for nursery certification
7 August 2014
The new Kiwifruit Plant Certification Scheme (KPCS) is supported by robust sampling and testing protocols developed by Plant and Food Research (P&FR). These protocols are leaf-based which...
Cane testing for nursery certification
7 August 2014

The new Kiwifruit Plant Certification Scheme (KPCS) is supported by robust sampling and testing protocols developed by Plant and Food Research (P&FR). These protocols are leaf-based which presented the challenge of how to reliably test during winter when outdoor plants have no leaves.

P&FR have conducted research into cane testing as a potential solution to this challenge. The final report from this research concluded the uneven distribution of Psa-V in the vines made detection unreliable, compounded by the low levels of Psa-V present in the vines during winter.

Positive results produced by cane testing were true positives. However, there was not sufficient confidence in cane sample selection to confirm a non-detected result on cane samples for nursery certification purposes.

Therefore, the KPCS will continue to use leaf-based testing to provide the appropriate level of confidence for  plant certification purposes; and nurseries will not be tested for certification purposes when leaves are not present .

  • Click here for a copy of this cane testing report.
Grower News
7 August 2014
Hydrogen Cyanamide and copper compatibility
7 August 2014
During August the use of Hydrogen Cyanamide (often referred to as Hi-Cane) as a bud-break enhancer increases. It is recommended that copper is not applied within a week either side of the application...
Hydrogen Cyanamide and copper compatibility
7 August 2014

During August the use of Hydrogen Cyanamide (often referred to as Hi-Cane) as a bud-break enhancer increases. It is recommended that copper is not applied within a week either side of the application of a bud-break enhancer to avoid potential phytotoxicity issues.

Growers are reminded that strict conditions apply when using Hydrogen Cyanamide to comply with Council air plans. This includes notifying neighbours at lease 12 hours prior to the application of Hydrogen Cyanamide, clear signage must be displayed at orchard entrance and low-drift spray technology is now compulsary.

Grower News
7 August 2014
Preparing for a high-risk spring
7 August 2014
As a result of the wet autumn and early winter weather experienced in many parts of the country, KVH prepared a ‘forward planning’ paper looking at the possible flow-on effects of a cold,...
Preparing for a high-risk spring
7 August 2014

As a result of the wet autumn and early winter weather experienced in many parts of the country, KVH prepared a ‘forward planning’ paper looking at the possible flow-on effects of a cold, wet spring.

The paper was based on learnings from experiences in France during the spring of 2013-14 and was discussed at the recent KVH board meeting. A number of recommendations were made about how we could better assist the industry should we see similar conditions in New Zealand this spring.

  • Click here for a copy of the KVH Board Paper
Biosecurity News
7 August 2014
National Science Challenge
7 August 2014
In May last year the government announced a new direction for science investment by establishing ten ‘National Science Challenges’. The National Science Challenges are established to...
National Science Challenge
7 August 2014

In May last year the government announced a new direction for science investment by establishing ten ‘National Science Challenges’. The National Science Challenges are established to tackle some of the biggest science-based issues and opportunities facing New Zealand and take a more strategic approach to science investment.

One of the National Science Challenges—New Zealand’s Biosecurity Heritage—is of particular interest to the horticulture sectors as it will direct future investment in both biosecurity and biodiversity research.

MBIE have recently approved the 10-year research plan and allocated new funding of $25.8m for the first five year period.

The research undertaken in this Challenge will be designed to protect and manage New Zealand’s biodiversity, improve biosecurity and enhance the country’s resilience to harmful organisms.

A broad range of stakeholder industries, including KVH, HortNZ and New Zealand Wine Growers, were involved in the development of this challenge and preparation of the research plan. This was through representation on a focused stakeholder advisory group and stakeholder workshops.

KVH and other horticultural sectors will continue be actively engaged. KVH Chief Executive, Barry O’Neil has been appointed to the Governance Group; and KVH Biosecurity Programmes Manager, Andrew Harrison is part of the Industry Advisory Group.

  • Click here for more information about the New Zealand’s Biosecurity Heritage challenge.
  • Click here for more information about the National Science Challenge.
Grower News
7 August 2014
New R&D report on KVH website
7 August 2014
2013/14 Potted Plant Field Trial Report - Elicitors on Gold3 Potted Plants This trial was established to determine the efficacy of a range of elicitors and CPPU products in inducing a plant immune...
New R&D report on KVH website
7 August 2014

2013/14 Potted Plant Field Trial Report - Elicitors on Gold3 Potted Plants

This trial was established to determine the efficacy of a range of elicitors and CPPU products in inducing a plant immune response to Psa-V, using Gold3 potted plants. All of the elicitors significantly reduced leaf spot in Gold3.

None of the elicitors significantly reduced secondary symptoms, although secondary symptom expression was low in this trial.

Click here to view the report.
 

Grower News
7 August 2014
Importance of recording spray applications
7 August 2014
Last week the KVH Bulletin (31 July) highlighted a number of orchards throughout New Zealand that had not applied a Psa-V protectant spray during the last growing season. Spray Diary analysis is...
Importance of recording spray applications
7 August 2014

Last week the KVH Bulletin (31 July) highlighted a number of orchards throughout New Zealand that had not applied a Psa-V protectant spray during the last growing season.

Spray Diary analysis is currently being carried out by industry; and it’s important to remember there is real value gained from the analysis of spray patterns. However, if all sprays are not recorded, it gives industry an inaccurate picture. Furthermore, in the event of an issue arising from a spray application, an accurate Spray Diary record is an invaluable tool to help identify how and why the issue occurred.

Under the rules of the Zespri Crop Protection Standard (CPS) all applications of agricultural compounds must be recorded in the Spray Diary. This includes applications to the orchard floor and shelter.

Growers should ensure all sprays applied post-harvest are recorded in the Spray Diary, along with all sprays applied to crops going forward.
 

Grower News
7 August 2014
Psa-V symptoms in Bay of Plenty male vines
7 August 2014
This week some Bay of Plenty growers have reported exudate symptoms in their male Hayward vines.  Often observations by pruning teams have triggered monitoring rounds where these have been...
Psa-V symptoms in Bay of Plenty male vines
7 August 2014

This week some Bay of Plenty growers have reported exudate symptoms in their male Hayward vines.  Often observations by pruning teams have triggered monitoring rounds where these have been found.

Many monitored blocks appear free of symptoms. However, in other blocks symptoms range from just a few vines with exudate to a high number of vines with exudate, particularly in blocks with Matua males.

This symptom increase in symptoms is likely due to increased sap flow as spring approaches. Growers are recommended to begin directed monitoring rounds focussing on higher risk plants (i.e. males, young, stressed) and orchard areas with less favourable growing conditions.

Cutting out infection, followed by bagging and removal of infected material from the orchard, is recommended to avoid inoculum build-up on orchard. Growers are urged to plan a proactive spring spray programme to minimise the chances of infection resulting in leaf spot and bud infection later in the season.

Some Gold3 cane collapse is also being seen on orchards. Again, cutting out infected material coupled with a proactive spray programme is recommended.

R&D News
7 August 2014
New R&D report on KVH website
7 August 2014
2013/14 Potted Plant Field Trial Report - Elicitors on Gold3 Potted Plants This trial was established to determine the efficacy of a range of elicitors and CPPU products in inducing a plant immune...
New R&D report on KVH website
7 August 2014

2013/14 Potted Plant Field Trial Report - Elicitors on Gold3 Potted Plants

This trial was established to determine the efficacy of a range of elicitors and CPPU products in inducing a plant immune response to Psa-V, using Gold3 potted plants. All of the elicitors significantly reduced leaf spot in Gold3.

None of the elicitors significantly reduced secondary symptoms, although secondary symptom expression was low in this trial.

Click here to view the report.
 

Kiwifruit Vine Health

Suite 3, Level 1, Customhouse Building
314 Maunganui Road, Mount Maunganui
(entrance cnr Totara and Rata Street)
PO Box 4246, Mount Maunganui, 3149
New Zealand

Tel:  0800 665 825
Fax: 07 574 7591

Email: info@kvh.org.nz