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Biosecurity News
6 November 2014
Four species of fruit fly are found to be the same
6 November 2014
A study published this week found four species of fruit fly (Oriental Fruit Fly (OFF), Invasive Fruit Fly, Philippine Fruit Fly and Asian Papaya Fruit Fly), are in fact all the same...
Four species of fruit fly are found to be the same
6 November 2014

A study published this week found four species of fruit fly (Oriental Fruit Fly (OFF), Invasive Fruit Fly, Philippine Fruit Fly and Asian Papaya Fruit Fly), are in fact all the same species—Oriental Fruit Fly.

The implications of this study means the distribution and host range of the OFF is wider than previously thought, increasing the likelihood of an incursion by this species.

The OFF attacks a wider range of hosts than the Queensland and Mediterranean fruit flies and can damage fruit at an earlier stage than other species while the fruit is harder and greener.

Australia rank OFF as their major quarantine concern for plant industries with a total cost of establishment expected to be $1 billion in control and lost markets.

  • Click here to read the news article

KVH consider OFF as one of three species of fruit fly (Mediterranean and Queensland fruit flies being the others) that together present the greatest biosecurity threat to the New Zealand kiwifruit industry. Should OFF establish in New Zealand the economic impact to the kiwifruit industry would primarily felt through market access restrictions by trading partners.

OFF is a target species of the fruit fly surveillance network in New Zealand, and a focus species of the Operational Agreement for readiness and response activities under GIA that KVH is preparing alongside MPI and other horticultural industries.
 

Grower News
6 November 2014
Identifying male cultivars during flowering
6 November 2014
Males are difficult to identify and the flowering period provides the best opportunity to distinguish between cultivars. Male cultivars vary in susceptibility to Psa-V. Therefore, the ability to...
Identifying male cultivars during flowering
6 November 2014

Males are difficult to identify and the flowering period provides the best opportunity to distinguish between cultivars. Male cultivars vary in susceptibility to Psa-V. Therefore, the ability to identify different male varieties can assist Psa-V management activities.

Diseased males can impact future pollination requirements. More-tolerant male varieties are more likely to provide an ongoing source of pollen within the orchard.

To help growers identify between males, KVH has developed a simple guide including photos, descriptions and leaf characteristics of each variety.

  • Click here to view the KVH Male Cultivar Identification Guide on the KVH website
  • Click here to view a KVH information sheet about male susceptibility to Psa-V

Also, growers wanting to test their males to confirm identify are can contact Tree Lab in Rotorua who process male samples and send them offshore for DNA analysis.

Grower News
6 November 2014
NZKGI forum members unanimously support KVH AGM resolutions
6 November 2014
KVH Chairman Peter Ombler, Chief Executive Barry O’Neil and Director Mike Chapman presented KVH’s proposed resolutions, including the levies and financials, to the NZKGI Forum members...
NZKGI forum members unanimously support KVH AGM resolutions
6 November 2014

KVH Chairman Peter Ombler, Chief Executive Barry O’Neil and Director Mike Chapman presented KVH’s proposed resolutions, including the levies and financials, to the NZKGI Forum members yesterday and received unanimous support.

Peter also thanked Mike Chapman and Paul Jones for their contribution and service to the KVH Board. Mike Chapman will continue on as KVH Board Secretary.

The KVH AGM is scheduled for 26 November 2014 starting at 2pm in Classic Flyers, Jean Batten Drive, Mount Maunganui.  AGM papers and proposed resolutions have been sent to KVH members and are now available on the KVH website here.

All growers and industry participants are encouraged to attend the AGM. Please RSVP to info@kvh.org.nz.

Company Notices
6 November 2014
Zespri FON Field Days - time to sort those males
6 November 2014
Zespri is holding a round of field days in November. A number of pruning specialists will be in attendance to discuss male management, and in particular, how to undertake the post-flowering prune...
Zespri FON Field Days - time to sort those males
6 November 2014

Zespri is holding a round of field days in November. A number of pruning specialists will be in attendance to discuss male management, and in particular, how to undertake the post-flowering prune while minimising Psa-V infection risk. Latest research findings on this topic will be discussed.

Zespri strongly encourages all pruning contractors and key staff to attend these field days and participate in the discussion. These will be held late in the day so as not to disrupt the working day. The field day will conclude with a BBQ.

Click here for the full schedule.

R&D News
31 October 2014
New R&D report on KVH website
31 October 2014
Prunetec - Invitro study of Psa survival in PruneTec (Wound protectant) The purpose of this trial was to carry out an invitro study of Psa survival in wound protectant (PruneTec). Wound protectants...
New R&D report on KVH website
31 October 2014

Prunetec - Invitro study of Psa survival in PruneTec (Wound protectant)

The purpose of this trial was to carry out an invitro study of Psa survival in wound protectant (PruneTec).

Wound protectants are used to protect wounds following pruning and grafting. Kiwifruit vines are pruned to remove excess wood in summer and to structure the vine in winter. Pruning wound dressings generally contain a bactericide that aimed at providing protection from bacterial infections. This report presents the evaluation of PruneTec 20001948 wound protectant tested against Psa-V to determine efficacy under laboratory conditions.

Click here to view the full report

 

R&D News
31 October 2014
New R&D report on KVH website
31 October 2014
Impact of covered structures on the progression of Psa-V, Phase Two Trials were set up in the kiwifruit growing season of 2012–13 on three orchards to test whether plastic, breathable covers...
New R&D report on KVH website
31 October 2014

Impact of covered structures on the progression of Psa-V, Phase Two

Trials were set up in the kiwifruit growing season of 2012–13 on three orchards to test whether plastic, breathable covers erected over existing kiwifruit vines could reduce the incidence, progression and severity of Pseudomonas syringae pv actinidiae (Psa-V) infections. These structures had been erected in an attempt to slow the progression of Psa-V. Vines were already infected with Psa-V, with varying levels of symptoms expressed. Across the three sites the varieties Actinidia chinensis ‘Zesy002’ (Gold3), A. chinensis ‘Zesy003’ (Gold9), A. deliciosa ‘Zesh004’ (Green14) and A. chinensis ‘Hort16A’ were assessed, along with Gold3 scions that had been notch grafted onto existing rootstocks. Grafted seedlings were planted out at each site and used as trap plants that would indicate infection from Psa.

Click here to view the full report

Protocols & Movement Controls
30 October 2014
Coromandel reclassified as Recovery region
30 October 2014
As a result of the increasing number of confirmed Psa-V positive orchards in the wider Coromandel region, the KVH Board has made the decision to reclassify the region from Containment to...
Coromandel reclassified as Recovery region
30 October 2014

As a result of the increasing number of confirmed Psa-V positive orchards in the wider Coromandel region, the KVH Board has made the decision to reclassify the region from Containment to Recovery.

Psa-V was first identified in the Coromandel region in September 2012.
The NPMP defines a Recovery region as a region with widespread Psa-V infection. The Coromandel region currently has more than 65% of kiwifruit hectares on orchards with Psa-V identified.

The KVH Board, while having empathy with Coromandel growers who did not support this change, had to consider the rules of the NPMP and the need to move pollen into the region for the upcoming pollination season.

Biosecurity News
30 October 2014
Brown Marmorated Stink Bug (BMSB)
30 October 2014
MPI have released a new fact sheet for BMSB which includes comparison to other stink bugs already present in New Zealand. Click here to view the fact sheet. This fact sheet is part of a larger...
Brown Marmorated Stink Bug (BMSB)
30 October 2014

MPI have released a new fact sheet for BMSB which includes comparison to other stink bugs already present in New Zealand. Click here to view the fact sheet.

This fact sheet is part of a larger public awareness campaign that KVH is supporting. Growers who have travelled internationally recently will have noticed the increased publicity at the airport.

KVH has also participated in the development of a research strategy to minimise and manage the risks posed by BMSB to New Zealand.

What is Brown Marmorated Stink Bug?
BMSB is a significant pest to many horticultural industries. It is native to parts of Asia but is currently undergoing rapid range expansion in the United States, Canada and Europe—which previously did not have established populations.

BMSB is considered a high priority pest as;

  • it would have significant impact on high value crops;
  • it can establish throughout New Zealand;
  • there are multiple pathways for entry;
  • there are limited control tools available; and
  • it causes significant public nuisance.

Growers are encouraged to look out for this organism. Any suspected sightings should be caught, photographed and reported to MPI on 0800 80 99 66.
 

Grower News
30 October 2014
Revised orchard hygiene more practical for Recovery regions
30 October 2014
KVH has revised its best practice guidelines for orchard hygiene. The main changes include a more practical approach to orchard hygiene in Recovery regions where infection is widespread. More focus...
Revised orchard hygiene more practical for Recovery regions
30 October 2014

KVH has revised its best practice guidelines for orchard hygiene. The main changes include a more practical approach to orchard hygiene in Recovery regions where infection is widespread.

More focus is placed on removing any visible signs of plant material rather than sanitisation of footwear and hands between orchards in Recovery regions. The revised best practice guidelines also recognise the lower risk of vehicle movements onto orchards, such as quad bikes and fertiliser spreaders, and doesn’t require cleaning and sanitisation between orchards in Recovery regions.

However, the risk of transferring disease through movement of infected plant material remains. Therefore growers who require additional measures to reduce the risk, including sanitisation of footwear and hands, are encouraged to do so.

If you have any feedback about the changes, please email info@kvh.org.nz.

  • Click here to view the amended orchard hygiene best practice document.
Company Notices
30 October 2014
KVH Annual General Meeting
30 October 2014
The KVH AGM is scheduled for 26 November 2014 starting at 2pm in Classic Flyers, Jean Batten Drive, Mount Maunganui.  AGM papers and proposed resolutions have been sent to KVH members and are...
KVH Annual General Meeting
30 October 2014

The KVH AGM is scheduled for 26 November 2014 starting at 2pm in Classic Flyers, Jean Batten Drive, Mount Maunganui.  AGM papers and proposed resolutions have been sent to KVH members and are now available on the KVH website here.

In addition to the AGM matters, Zespri’s Dave Tanner, GM Science & Innovation, will give an overview on the Psa-V research programme, what it has achieved and its future direction.  This will be the last opportunity for Dave to present on the Psa-V R&D programme, as he leaves employment with Zespri at the end of the year.

All growers and industry participants are encouraged to attend.

Please RSVP to info@kvh.org.nz

Grower News
23 October 2014
Frost devastates Chilean crops again
23 October 2014
Chilean growers have been dealt another significant blow after frosts last week devastated crops for the second year in a row. One large producer estimates between 80-100% crop loss on some kiwifruit...
Frost devastates Chilean crops again
23 October 2014

Chilean growers have been dealt another significant blow after frosts last week devastated crops for the second year in a row. One large producer estimates between 80-100% crop loss on some kiwifruit orchards.

The frosts, which were “completely unexpected” came roughly one year after severe frost wreaked havoc on almost the entire Chilean agricultural industry last year. Many growers did not have their frost protection systems turned on as the weather had been so mild. 

  • Click here to read the full article on Fresh Fruit Portal.
Grower News
23 October 2014
KVH visits Whanganui orchards
23 October 2014
This week KVH visited twelve orchards in the Whanganui region and also held a meeting with local growers to discuss best practice Psa-V management strategies and to provide latest research...
KVH visits Whanganui orchards
23 October 2014

This week KVH visited twelve orchards in the Whanganui region and also held a meeting with local growers to discuss best practice Psa-V management strategies and to provide latest research information.

All growers in the region had good monitoring programmes in place. Results from these show some spring progression within previously affected orchards. Levels of infected male vines remain below 10 percent with cane dieback and exudate being the symptoms observed. Minimal numbers of female vines are showing any infection.

Severe spring wind, and for some, recent hail events, have provided challenging growing conditions and proactive spray programmes, cut out of infection as it is found and good orchard hygiene procedures is likely to have minimised infection spread to date.

No leaf spot was evident. However, some bud browning was seen on one Psa-V positive site.

Shelter and adequate pollination are seen as challenges in this region. Notch-grafting of older male varieties has begun. Successful results from December 2013-grafted males, has resulted in growth which will contribute to pollination this year.

This region previously had two unmanaged sites recorded, and each of these sites were visited. One of these blocks has now been removed and the other has been returned to management.
 

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