13Th Biennial NSW Noxious Weeds Conference
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13th Biennial NSW Noxious Weeds Conference 19-22 September 2005 Orange Ex-Services Club Conference Papers Table of Contents Macquarie Valley Weeds Advisory Committee: A Success Story George W. Hammond Our Responsibility in the War Against Weeds John Thorp Weeds & Environmental Change – Counting the Real Cost With Special Reference to Tocal Cameron Archer The economic impact of weeds in Australia Jack Sinden and Rachel McFadyen A unique approach to weed management Jane Tracy Mapping and recording systems Lyndon Auld and Ian Stephenson Use of Geographic Information Systems for Noxious Weed management Reece Luxton Adding communication to weed plans: Can we afford not to? Annette McCaffery Privet. A success story Roger Smith Managing salvinia on the Hawkesbury river, 2004: A $1.6m cooperative effort Rebecca Coventry Weed control using goats Neil Boyd and Doug Campbell Mysore Thorn control at Lake Innes Nature Reserve,NSW Michael Dodkin and Susan Phillips Weeds of National Significance and other National Issues John Thorp WoNS National Gorse Program - What’s in it for New South Wales? Sandy Leighton The National Serrated Tussock Survey – Serrated tussock resistance to the herbicide, flupropanate in Australia. D.A. McLaren, S. Ramasamy, A.C. Lawrie, TA. Morfe and G. Pritchard Taking the wind out of willows: a national focus to willow management in Australia. Sarah Holland-Clift The Noxious Weeds Amendment Act 2005; Setting a new Direction for Weed Management in NSW Sydney Lisle Why Declare? The role of government in weed management Philip Blackmore Role of Councils and Councillors Managing Noxious Weeds in NSW Lloyd Kingham The discovery of Mexican Feather Grass (Nassella tenuissima) in Tamworth, New South Wales, Australia. Natasha Soar Chilean needle grass Kevin Nelligan Mesquite & Parkinsonia – a Thorny Threat to New South Wales Nathan March and Don Mackenzie Working Together - A Cooperative Approach to Weed Management Ann Herbert Rural Land Incentives Program Working with the Community Jamie Wright and Paul Marynissen Retired and willing – Harnessing the Community to Control Weeds Steven Wilson Developing a Bush Regeneration Plan to protect Biodiversity and Cultural Heritage in Natural areas; Case Study – Glenrock State Conservation Area & Awabakal Nature Reserve Mellesa Schroder and Tiffany Knott Conservation Volunteers role in weed control John Fry Weed Management and Control – the Whole Picture Dee Murdoch Where are we now and where are we going? Peter Scott Noxious Weeds Control in the 20th Century - The Changing Role of Weeds Officers Peter Gray The Changing Role Of Weed Officers Into The 21st Century Roger Smith Evaluating success of the Weeds Training Program - A progress report Jodie Bartlett-Taylor and Rebecca Spinks Managing bitou bush in NSW: the value of concerted efforts. Hillary Cherry and Paul O. Downey Lantana – Targeting the Hotspots Andrew Clark and Michael Day Macquarie Valley Weeds Advisory Committee A Success Storey George W. Hammond Chairman Macquarie Valley Weeds Advisory Committee Narromine, NSW Success! Success! Success! Why is Macquarie Valley Weeds Advisory Committee such a success story? INTRODUCTION Timeline of Events • 25th October, 1972 – Initial discussions and plans agreed to by Shire of Timbrebongie, Municipality of Narromine and Department of Railways for Johnson Grass control. • Friday 23rd July, 1976 – Decision made to form a committee to control Johnson Grass. • Wednesday 18th August, 1976 – Inaugural meeting of Timbrebongie Johnson Grass Eradication Committee held. • Tuesday 4th April, 1978 – Special meeting with Mr. Alan Mears to promote a regional approach to Johnson Grass control. • Tuesday 25th July, 1978 – Public meeting held to create a regional committee. • Tuesday 15th August, 1978 – Inaugural meeting of Macquarie Watershed Johnson Grass Eradication Committee held. • May, 1987 – Committee changed name to Macquarie Valley Noxious Plants Advisory Committee. • Monday 31st August, 1989 – commencement of a study of The Ecology and Control of Blue Heliotrope. • Tuesday 2nd April, 1996 – Formed a Blue Heliotrope “Action” Committee. • Tuesday 11th August, 1998 – First Constitution adopted and name change to Macquarie Valley Weeds Advisory Committee. • 1997 – Commencement of Television advertisements for community awareness of noxious weeds. • !998 – Received first of three successful grant applications to develop an Education and Training programme for Weed Officers. • Wednesday 21st November, 2001 – First release in Australia of a biological control agent for Blue Heliotrope. • July, 2003 – Won the right to host, with Orange City Council, the 13th Biennial Noxious Weeds Conference in 2005. • 19- 22 September, 2005 – 13th Biennial Noxious Weeds Conference, Orange. It was in the early 1970’s that the Shire of Timbrebongie (now known as Narromine Shire Council) became concerned about the increased spread and growth of Johnson Grass (Sorghum halepense) within the region. Johnson Grass was well established and was becoming a major problem. It was taking over our prime agricultural land, threatening a thriving seed Sorghum (Sorghum bicolor) production industry and other intensive agricultural cropping as well as creating a dangerous driving hazard to motorist travelling on the roads in the region. The story really began on Friday 23rd July, 1976, when a Public Meeting was held in the Council’s Shire Chambers, where a decision was then made to try and do something about Johnson Grass control. Following the establishment of river irrigation systems and development of irrigation crops within the Shire, a number of seed Sorghum production companies recognized Narromine’s potential for the production of seed Sorghums. The only limiting factor was Johnson Grass. Johnson Grass is recognized as a haven for diseases and insect pests of Sorghum, it readily cross pollinates with Sorghum creating impurities and impacting on the quality of the seed sorghum production. With the support of Seed Companies interested in this type of productivity, Council decided to convene a meeting of interested Companies, Landholders, Control Experts, Department and Local Government Authorities where infestation was causing concern, in an effort to devise a joint programme of approach to the eventual elimination of the grass. The meeting, (a half day seminar) was chaired by Councillor Eric Woods and attended by Seed Companies, Chemical Companies, Councillors of the Shire of Timbrebongie, Municipality of Narromine, local Seed and Chemical Agencies, Representatives of Department of Agriculture, Public Transport Commission (Railways), Wellington Shire Council, Representatives of local Irrigation Schemes, Crop Spraying Specialists, Irrigation Advisors and the local media. Large numbers of Landholders and intensive irrigation farmers also attended. Mr. Greg Downs, Field Officer with the Department of Agriculture, Orange, advised the meeting that Wellington was also another trouble spot in the region and said that from the Department’s viewpoint, “there was a need to do something” and further said “I do feel, for the present, we should be looking at containment of the weed by just working these problem areas” (Narromine and Wellington). Miss Noelene Monoghan, Regional Agronomist Adapted Weeds, Orange Research Station, reported to the meeting that she was in the process of conducting a research programme on Johnson Grass with regard to it’s:- 1. Distribution 2. Biology – Seed production and dispersal and the comparative amount of rhizomatous and seed spread. 3. Management control for the prevention of spread. 4. Study of different genetic types and their response to herbicide treatments etc. Miss Monoghan advised that it would take three years to reach any significant findings. Public Transport Commission (Railways) Dubbo, offered fullest co-operation and nominate a representative onto a committee that was to be formed. Railway permanent ways and, in particular, rail crossings where considerable vehicular traffic activity took place were areas of particularly dense infestations. Mr. Ian Morgan representing Pioneer Hi-Bred Seed Company, a Sorghum seed producing company based in Queensland, advised the meeting that his Company at that time had under seed production approximately 700 acres (283 Hectares) of irrigation land at that time and that increase production would reach some 3,000 acres (1,214 Hectares), the value of these areas was estimated at 3 to 4 million dollars from his Company’s activities alone, providing that Johnson Grass could be controlled. He also advised that his Company had virtually been forced out of Queensland due to problems associated with Johnson Grass and that the loss of this type of industry to the Macquarie Valley would be a tremendous economic loss to the region. Seed Sorghum had been produced in the region by several Companies since, at least, 1970. At this meeting we learnt that various control methods had been trialed for the past several years. The Shire of Timbrebongie had commenced doing chemical trials in early 1971 (March) using the soil sterilant Hyvar X™. In August 1972 George Hammond of Narromine Crop Centre Pty Ltd, gave a report and slide presentation to Council showing results that had been achieved in trials using Tandone 80™ in the Gundagai area that had shown good promise. It was decided to conduct some comparative trials with several chemicals so that effectiveness could be observed. This was done on the 25th October, 1972. The chemicals used were:- 1. Eradone™ 2. Weedazol Total™