Phytophthora, a disease of forestry in New Zealand
- Root rot caused by Phytophthora species
From Scion publication Forest Research Bulletin 220, An Introduction to The Diseases of Forest and Amenity Trees in New Zealand, G.S.Ridley and M.A. Dick 2001. Species: Phytophthora cactorum (Fig. 3), P.…
- Phytophthora agathadicida
Critical kauri seed collection taking place From Forest Health News 288, May 2019. One of the biggest kauri seed collections to be undertaken in decades has just been completed across the upper North…
- Phytophthora inundata
NEW TO NEW ZEALAND ORGANISM Detection and Identification in New Zealand Notified to MAFBNZ June 2007 as a New to New Zealand find in soil under Pinus radiata and reported again…
- Phytophthora kernoviae
Phytophthora kernoviae: Past investigation throws up new answers From Biosecurity issue 82, March 2008. A classic piece of scientific detective work and collaboration has thrown new light on a woodland pathogen…
- Phytophthora pinifolia
Not present in New Zealand. Field Identification Guide for Daño Foliar del Pino (DFP) PDF, December 2007 Lindsay Bulman and Rebecca Ganley, Forest Biosecurity and Protection, Scion. Report on visit to Chile…
- Phytophthora ramorum
Not present in New Zealand New "species" of Phytophthora? From Forest Health News 164, July 2006. Nod Kay was granted a Research Fellowship from the OECD Co-operative Research Programme to visit Alice…
- Downscaling for higher throughput and reduced resource use – new fungicide sensitivity assay
From Forest Health News 286, December 2018. A high-throughput bioassay to screen sensitivity of species of Phytophthora to fungicides has been developed1. The research by Scion-based Master of Science student, Shannon Hunter, uses…
- Fighting Phytophthora in forests
Nari Williams and Michelle Harnett, New Zealand Tree Grower November 2017. Scary-looking on paper and even scarier in forests, the word Phytophthora does not seem to have enough vowels in…
- Screening for resistance to Phytophthora
From Forest Health News 253, January/February 2015. Phytophthora is a genus of soil or airborne plant pathogens that infect a vast range of plant species worldwide. In New Zealand, three…
- Phytophthora identification
From Forest Health News 210, October/November 2010. The genus Phytophthora contains some of the most destructive species of plant pathogens known to man. By the end of the 20th century…
- Facing the Phytophthora challenge
From Biosecurity, issue 99, August 2010. Concerns are growing internationally as scientists learn more about the increasing number of serious plant and tree diseases found to be caused by Phytophthora…
- Spotlight on new species of Phytophthora
From Biosecurity 97, April 2010. The death of kauri trees caused by Phytophthora has attracted attention recently. But why do there seem to be so many “new” species of this…
- Control of phytophthora root rot in forest nurseries
From Forest Health News 194, April 2009. Forest nurseries in New Zealand typically operate with a considerable level of chemical intervention in order to manage a range of weeds, insect…
- Diagnostics: Screening for Phytophthora in pine needles
From Forest Health News 184, May 2008. Sample of Pinus radiata for Phytophthora baiting test Daño Foliar del Pino (DFP) is a newly described disease of Pinus radiata foliage in Chile where there is…
- Phytophthora diseases of trees
From Forest Health News 178, October/November 2007. Phytophthora spp. are some of the most invasive plant pathogens known world-wide. Several are of global importance as they have been widely dispersed by trade…
- Sampling soil for pathogens of trees and shrubs
From Forest Health News No. 177, September 2007. Species of Phytophthora are particularly well-known soil-dwelling, root-infecting pathogens. A few Phytophthora spp. are able to carry on their life cycle above ground…
- New "species" of Phytophthora?
From Forest Health News 164, July 2006. Nod Kay was granted a Research Fellowship from the OECD Co-operative Research Programme to visit Alice Holt Lodge, UK Forestry Commission, Farnham, from 15 May…
- Phytophthora causing crown dieback of Eucalyptus
From Forest Health News 162 May 2006. New species of Phytophthora causing crown dieback of Eucalyptus A locally severe crown disease of Eucalyptus trees has been recorded since 1986. The…
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Article archive »
- Update to the Forest Owners Association Road Engineering Manual: Forest Road Design for HPMVs.
Thursday, September 19, 2024
The NZFOA/NZFFA Transport and Logistics committee is pleased to announce the release of a new appendix to the New Zealand Forest Owners Road Engineering Manual, titled Forest Roads for High…
- Emissions Trading Scheme fee review a relief for cost-struck foresters
Thursday, February 29, 2024
The New Zealand Forest Owners Association says the review of the Emissions Trading Scheme (ETS) fees is a relief for foresters facing excessive costs and loss of climate change action. …
- Planting trees on pasture can have a positive impact on soil health
Wednesday, December 20, 2023
Rather than damaging soil in New Zealand, planting trees on pasture restores soil to be similar to its original condition. A recent news story highlighting changes in soils from converting…
- Forest plantation soils have benefits too
Tuesday, December 19, 2023
The Forest Owners Association (FOA) says the fact that soils under plantation forests are similar to soils under native trees, does not make them damaged, as a recent Newshub report has claimed.…
- Wilding Conifers - A legacy issue that needs continued, collaborative management
Sunday, October 29, 2023
Forest owners welcome the Parliamentary Commissioner for the Environment’s (PCE) acknowledgement that the presence of wilding conifers across New Zealand is largely a legacy issue, but caution against placing costs…
- Stock take of the commercially viable alternatives to Pinus radiata
Tuesday, October 03, 2023
Scion has published a “Stock Take of the Commercially Viable Alternatives to Pinus Radiata” for MPI, which reviews alternative species, their expected growth rates, climatic range, resilience to pests or…
- SNA regulations 'confusing ecological naivety'
Thursday, July 06, 2023
Forest Owners say the just released National Policy Statement on Indigenous Biodiversity (NPSIB) is a classic bureaucratic formula of confusing ecological naivety which will not help rare species and likely…
- Primary sector leadership not addressing economics as the real climate change issue
Tuesday, July 04, 2023
The immediate past president of the Farm Forestry Association (NZFFA) says the leaders of the primary sector and government are ineffectively tinkering with lowering greenhouse gas emissions. Graham West says the…
- Forest Owners hail ‘Biosecurity Hero’
Monday, May 22, 2023
The Forest Owners Association and Scion want more people to report suspicious imported wood products which might be infested with introduced wood and forest pests. FOA Biosecurity Manager, Brendan Gould,…
- Ministerial inquiry could have widespread implications for Tairawhiti community
Tuesday, May 16, 2023
The New Zealand Institute of Forestry says the just announced Tairawhiti land use inquiry is recommending measures which will stop the very activities which are vital for the region’s recovery.…
- Tairawhiti land use inquiry not addressing wider issues
Sunday, May 14, 2023
The Forest Owners Association says the Ministerial Inquiry into landuse in Tarawhiti has a core of practical recommendations, but has not addressed some more difficult and fundamental issues. President, Grant…
- Forest Owners say carbon-only forestry should be kept off productive land
Wednesday, April 19, 2023
The Forest Owners Association would like to see production forestry and farming on productive land – rather than this land used for carbon-only forests. It says this should be a…
- Opportunities from Trees Workshops - NZ Wide
Wednesday, April 19, 2023
The NZ Farm Forestry Association (NZFFA) is running 18 extension workshops in May and June with a target audience of landowners, or people with access to land, who are potential tree…
- Forest Owners back more trees for Tairawhiti
Sunday, April 16, 2023
The Forest Owners Association has told the Ministerial Inquiry into land use in Tairāwhiti, that the region’s future has to include more trees for land stability. But it appreciates forest…
- Small scale woodlot owners have their say in Tairawhiti Land use Inquiry
Sunday, April 02, 2023
he outgoing President of the Farm Forestry Association says it has been vital for farm foresters to directly address the Ministerial Inquiry into forestry and other land use in Tairāwhiti.…
- Future forests need to be multifunctional to meet climate change in Tairawhiti
Thursday, March 16, 2023
The Farm Forestry Association says the just convened Ministerial Inquiry, into land-use across Tairāwhiti, needs to look closely at the tree options for shoring up vulnerable farm and former forest land in…
- Hill country farming campaign shows they think climate change is someone else’s problem
Thursday, March 09, 2023
The Forest Owners Association says the latest campaign against forestry, led by Beef+Lamb New Zealand and 50 Shades of Green, is climate change responsibility denial, and is dangerous in the…
- Forest Owners says two months too brief to look into the complex land issues in Tairawhiti.
Thursday, February 23, 2023
The Forest Owners Association says the two month long inquiry into land use in Tairāwhiti doesn’t give enough time or depth to find solutions. The Prime Minister, Chris Hipkins has…
- Forest Owners want genetic technology approved
Thursday, February 16, 2023
The Forest Owners Organisation says New Zealand needs to concentrate on the safety of genetic technology on a case-by-case basis rather than persisting with blanket bans. The FOA wants approval…
- Fieldays Forestry Hub to demonstrate that forestry is a solution
Monday, November 28, 2022
A range of solutions to farmers’ current problems will be on display in the Fieldays Forestry Hub near Hamilton between 30 November and 3 December, says Farm Forestry Association president,…
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