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Biosecurity News
17 September 2020
Psa annual update video
17 September 2020
Zespri and KVH hosted the annual Psa R&D update last week which saw scientists share with growers and industry key outcomes from the research portfolio to help growers refine their...
Psa annual update video
17 September 2020

Zespri and KVH hosted the annual Psa R&D update last week which saw scientists share with growers and industry key outcomes from the research portfolio to help growers refine their on-orchard Psa disease management programme.

Growers heard from a range of speakers during the day, including Kabir Shahjahan from Plant & Food Research, who presented updates on his continuing research into Hayward bud rot, as well as new research into Gold3 budrot, and how that is affected by Bounty and Bruno rootstocks. Final results from the four-year GoldFutures programme were delivered by Phil Elmer from Plant & Food Research. Sonia Whiteman from Zespri presented research on the risk of frost, and the development and updates to the KVH Psa Risk Model on behalf of Rob Beresford of Plant & Food Research. Zespri also provided updates on the future of bactericides, before the day ended with a presentation from Linda Peacock from KVH that summarised how this new research fits into Psa good practice management.

Due to COVID-19 restrictions and increased interest in the event, the update was opened to online participants for the first time and recorded. You can watch video from the day on the Zespri Canopy website here or on the KVH YouTube channel here. A summary of key points, and each presentation is also available below.

Presentations:

Biosecurity News
3 September 2020
New Psa seasonal management guide
3 September 2020
The Psa-V Seasonal Management Wall Chart 2020-21 is out now and available to view or download from the KVH website. A printed A2 sized copy of the chart has also been included in your mailed copy...
New Psa seasonal management guide
3 September 2020

The Psa-V Seasonal Management Wall Chart 2020-21 is out now and
available to view or download from the
KVH website. A printed A2 sized copy of the chart has also been included in your mailed copy of the August Kiwiflier.

The wall chart outlines how you can use cultural methods and a protective spray programme year-round to reduce risk on your orchard, including regular monitoring, removing infected material, girdling, and seasonal spray plans.

A key feature of the wall chart is the KVH Recommended Product List, which sets out the upcoming seasons approved products for protection against Psa, their year-round application rates and permitted use periods.

Any changes or updates made to the chart and product list during the 2020/21 season will be made to the online version and will be notified via the KVH Bulletin.

If you would like extra printed copies of the wall chart sent to you, please email KVH at info@kvh.org.nz.

Biosecurity News
3 September 2020
Most unwanted time of the year
3 September 2020
Fruit flies and Brown Marmorated Stink Bug (BMSB) are considered two of the biggest biosecurity threats to the kiwifruit industry and from September they are both in their highest-risk period for...
Most unwanted time of the year
3 September 2020

Fruit flies and Brown Marmorated Stink Bug (BMSB) are considered two of the biggest biosecurity threats to the kiwifruit industry and from September they are both in their highest-risk period for entry into New Zealand. A quick reminder of the damage these unwanted pests can do and what to look out for:

Fruit flies:

·        High likelihood of entry – have crossed our borders many times.

·        Production impacts for a range of horticultural crops but considered low for kiwifruit.

·        Severe market access restrictions, particularly for Queensland Fruit Fly, which is not present in most major kiwifruit markets.


BMSB:

·        Pierces kiwifruit resulting in fruit drop and rot. Fruit loss is typically 5-10% but up to 30% on worst blocks.

·        Extremely difficult to eradicate – early detection is essential.

·        Major nuisance pest overwintering inside homes in huge numbers.

·        High likelihood of entry as a hitchhiker on shipping containers, cars, machinery, and luggage.

For more information on these and other biosecurity threats to the kiwifruit industry, see our Kiwifruit’s Most Unwanted list on the KVH website and contact us on 0800 665 825 if you would like posters or leaflets about these pests sent out to you.

Biosecurity News
3 September 2020
Spotlight on Biosecurity Week coming soon
3 September 2020
A reminder that biosecurity in the Bay of Plenty will be celebrated with the Tauranga Moana Biosecurity Capital (TMBC) annual Spotlight on Biosecurity Week from Monday 2 – Friday 6...
Spotlight on Biosecurity Week coming soon
3 September 2020

A reminder that biosecurity in the Bay of Plenty will be celebrated with the Tauranga Moana Biosecurity Capital (TMBC) annual Spotlight on Biosecurity Week from Monday 2 – Friday 6 November. 
 
This week is all about highlighting the importance of protecting what we love about Tauranga Moana and showcasing the awesome biosecurity work that's being undertaken across the region.  There will be several different events including Port Biosecurity Excellence Programme activities and on Thursday 5 November, the annual TMBC Biosecurity Excellence Symposium will be held.  
 
There’ll be more information about each day released soon. If you were unable attend last year you can read all about the event
here or browse videos from the day on the KVH YouTube channel here.

Biosecurity News
3 September 2020
In the news
3 September 2020
Stink bug trapped for the first time in the UK: The Brown Marmorated Stink Bug (BMSB), which invades homes and decimates soft fruit, has been trapped for the first time in Britain, at a nature...
In the news
3 September 2020

Stink bug trapped for the first time in the UK: The Brown Marmorated Stink Bug (BMSB), which invades homes and decimates soft fruit, has been trapped for the first time in Britain, at a nature reserve in Essex.  

Search warrant obtained for biosecurity breaches with seeds: Selling hops on Trade Me and having prohibited seeds at home has earned a retired woman a $4000 fine and her first convictions. The Ministry for Primary Industries saw the offending as calculated and deliberate, and argued any harm from breaching the biosecurity system could prove irreversible.

Biosecurity News
3 September 2020
Fun Fact
3 September 2020
Did you know, a female Queensland Fruit Fly (QFF) can lay up to 100 eggs a day throughout her lifetime at room temperature (when it’s cold, she may produce far fewer eggs). The eggs are laid...
Fun Fact
3 September 2020

Did you know, a female Queensland Fruit Fly (QFF) can lay up to 100 eggs a day throughout her lifetime at room temperature (when it’s cold, she may produce far fewer eggs).

The eggs are laid just under the surface of fruit and the maggots or larvae hatch from the egg after two to three days and start feeding on the fruit. Larvae quickly grow from 1mm to 1cm long (and look a lot like a grain of rice) when mature.

The most likely way that fruit flies can arrive in New Zealand is in infested fresh fruit and vegetables. Be vigilant and keep watch during the high-risk season, which is September through to June. It is often difficult to spot adult fruit flies on fruit trees; the better option is to look out for any larvae in fruit. Report any finds or anything else unusual to either Biosecurity New Zealand on 0800 80 99 66 or KVH on 0800 665 825.

Read more about fruit flies on the KVH website here.

Biosecurity News
3 September 2020
Wanted: Te Puna weather station host
3 September 2020
  In the last Bulletin we mentioned we’re looking for a new home for the Te Puna weather station, to support local growers. Thank you to those of you who have expressed an interest and...
Wanted: Te Puna weather station host
3 September 2020

 

In the last Bulletin we mentioned we’re looking for a new home for the Te Puna weather station, to support local growers. Thank you to those of you who have expressed an interest and who are talking to us about the process of a site visit.
The Te Puna station has been part of our network since 2016, but now needs a new site as the orchard changes ownership. It’s not too late to get in touch if you think you have an orchard site, or piece of open ground close to the current site on Snodgrass Road that would be ideal to provide good continuity of data for growers in the area.

If you think you might be interested in hosting this valuable addition to our Psa Risk Model infrastructure, please email or call Linda Peacock on 027 475 2909 to talk about the criteria of a suitable site. You may also like to have a quick read of our weather station guidelines here.

Biosecurity News
3 September 2020
Are you a prize-winning stink bug quiz master?
3 September 2020
Can you ID the Brown Marmorated Stink Bug (BMSB) by answering just a few quick questions? Do you know what it smells like? What it looks like? It’s size? There’s a brand-new quick and...
Are you a prize-winning stink bug quiz master?
3 September 2020

Can you ID the Brown Marmorated Stink Bug (BMSB) by answering just a few quick questions? Do you know what it smells like? What it looks like? It’s size?

There’s a brand-new quick and fun BMSB quiz out now thanks to the Tauranga Moana Biosecurity Capital (TMBC) team, who are offering loads of great prizes every week throughout September – all you have to do is answer six easy questions about what this unwanted bug could do if it hitchhiked its way into New Zealand and on to our orchards, how to identify it, and how to report it. You, the kids, friends, and family can all take part – see who gets the highest score, and don’t forget to fill in your contact details in case you’re a prize winner.

The quiz is part of TMBC’s public awareness campaign for this spring/summer, which also includes the giant BMSB banner on the grain silo in Mount Maunganui on Hewletts Road (you may have seen it last summer) and various regional Biosecurity Week activities, including a joint KVH/Zespri kiwifruit grower day.

Take the quiz here now!  

Biosecurity News
20 August 2020
Weather patterns bring Psa risk to the north
20 August 2020
June rainfall was above normal (120-149% of normal) or well above normal (>149% of normal) for parts of Northland, Auckland, Bay of Plenty, Gisborne, and Hawke’s Bay this year, bringing...
Weather patterns bring Psa risk to the north
20 August 2020

June rainfall was above normal (120-149% of normal) or well above normal (>149% of normal) for parts of Northland, Auckland, Bay of Plenty, Gisborne, and Hawke’s Bay this year, bringing welcome relief after some very long, dry periods. For Northland, this high rainfall pattern has continued through July and August, challenging growers in terms of winter pruning and also application of protective winter coppers.

The Maungatapere (Whangarei) weather station shows that more than 50% of days from 1 June were reported as posing severe risk for Psa infection and spread (red bars in the graph below). Within this timeframe there were at least two periods where rain and associated severe Psa risk continued for more than a week.

Growers in the Whangarei region are strongly recommended to take every opportunity to rebuild protective copper cover across their vines to provide protection from Psa as we move towards budbreak. 

As sap flow begins this month, all growers are also urged to monitor vines closely for Psa symptoms. On sites where Psa has already been detected, be proactive in cutting out infected material found and remove this from the orchard to avoid further Psa spread. Tool hygiene remains important on all sites, and growers should be sure that all staff are familiar with orchard hygiene rules. Psa symptom guides are available from KVH to assist with training of monitor staff. Active monitoring will provide the best chance that any further spread of Psa in the region is found early.

Growers concerned that they are seeing Psa symptoms for the first time can contact KVH on 0800 665 825 or KVH Regional Coordinator Pauline Kell for support in sampling and testing of symptomatic vines.

Higher seasonal Psa risk is also being reported for other regions. Growers can check the Psa Risk Model and use this tool to guide spray decisions leading up to the very high-risk spring period.

Biosecurity News
20 August 2020
BMSB research update
20 August 2020
KVH and Zespri (through the Biosecurity Innovation portfolio) have commissioned an extensive offshore research programme to help improve our understanding of the impacts caused by Brown...
BMSB research update
20 August 2020

KVH and Zespri (through the Biosecurity Innovation portfolio) have commissioned an extensive offshore research programme to help improve our understanding of the impacts caused by Brown Marmorated Stink Bug (BMSB) in kiwifruit orchards. As part of this work programme we are also looking to help improve our understanding and optimise the use of biocontrol for managing BMSB in kiwifruit.

KVH has summarised the results from these trials in two separate updates focussed on impacts and biocontrol research, now available on the KVH website.

Biosecurity News
20 August 2020
Wanted: Te Puna weather station host
20 August 2020
We’re looking for a new home for the Te Puna weather station, to support local growers. The Te Puna station has been part of our network since 2016, but now needs a new site as the orchard...
Wanted: Te Puna weather station host
20 August 2020

We’re looking for a new home for the Te Puna weather station, to support local growers.

The Te Puna station has been part of our network since 2016, but now needs a new site as the orchard changes ownership. An orchard site, or piece of open ground close to the current site on Snodgrass Road would be ideal to provide good continuity of data for growers in the area.

If you think you might be interested in hosting this valuable addition to our Psa Risk Model, or know someone who might be able to help out please contact info@kvh.org.nz or call Linda Peacock on 027 475 2909 to talk about the criteria of a suitable site and the process of a site visit. You may also like to have a quick read of our weather station guidelines here.

Biosecurity News
20 August 2020
Fun Fact
20 August 2020
Did you know one Spotted Lanternfly (SLF) egg mass can produce 50 new suckers? Who even knows how many egg masses one SLF produces! Don’t let this pest’s exotic design and cool colours...
Fun Fact
20 August 2020

Did you know one Spotted Lanternfly (SLF) egg mass can produce 50 new suckers? Who even knows how many egg masses one SLF produces!

Don’t let this pest’s exotic design and cool colours fool you – it is a big problem overseas and has quickly become a threat to kiwifruit and many other horticultural industries. SLF feeds on sap, damaging plants, and excretes large amounts of sticky liquid that promotes the growth of sooty mould which marks fruit, rendering it unsalable to markets.

Fortunately, we don’t have SLF in New Zealand yet, but early detection of its presence is vital if we are to have the best chance for eradication. How might it get here? Most likely as egg masses (which look like mud smears) on imported goods from the USA and/or Asia. During the high-risk season of September – April you might also see the vibrant red wings of adult flies. If you see anything catch it, snap it, and report it to Biosecurity New Zealand on 0800 80 99 66.

Read our profile on SLF, including lots of photos, in the new KVH Annual Update here.  

Image left: An adult Spotted Lanternfly, identifiable by its vibrant red hindwings and spotted forewings. Image right: SLF egg masses on tree bark.

Kiwifruit Vine Health

25 Miro St
Mount Maunganui
Tauranga 3116

Tel:  0800 665 825
Fax: 07 574 7591

Email: info@kvh.org.nz