Supporting Technical Assessments

44 MITIGATION PLAN: Waihi North Project WAI-985-000-PLN-LC-0001_Rev0 clean Table 17. Weed plants within the WNP area and recommended control methods. Information adapted from weedbusters.co.nz. Photographs retrieved from NZPCN.org.nz and remain the property of their photographers. For more information regarding weed control methods, see weedbusters.org.nz Species Common name Weed control method Asparagus scandens Climbing asparagus Spray lightly spring-early summer, avoid runoff, total coverage not required (200ml glyphosate/10L. Do not add penetrant when spraying against tree trunks). Spray autumn- winter only in frost-free areas on healthy growth, (increase rate to 300ml glyphosate/ 10L). Cortaderia selloana pampas Remove plants by hand as they appear or sizeable plants by bulldozer/ excavator. Compost or leave on site to rot down. Burn or bury any flower heads. Weed wipe (year-round): glyphosate (200ml/L + penetrant). Hedychium gardnerianum wild ginger Cut above pink collar at base and paint with glyphosate (250ml/L). Repeat annually or if plants re-sprout. Hand-pulling is suitable for small plants, but the debris should not be composted. Ligustrum sinense Chinese privet Cut and stump swap with glyphosate (250ml/L) Ulex europaeus gorse Spray (spring-summer): triclopyr 600 EC (20ml/10L) or triclopyr 300 EC (40ml/10L). Spray (autumn-winter): metsulfuron-methyl 600g/kg (5g/10L+ penetrant - knapsack) or (20g/100L + penetrant - spraygun) or a product containing 100g picloram+300g triclopyr/L (250ml/100L spraygun). Lonicera japonica Japanese honeysuckle Vial method for ground infestations. Pull up all stems possible and dispose. Treat and move vials monthly until plant eradicated. Treat remainder by placing cut vine ends in vials 5-10 m apart containing 1 g metsulfuron/ 20 ml. 5 g metsulfuron/ L or 200 ml Tordon Brush Killer/ L or Vigilant Gel. Glyphosate (10 ml/ L) or metsulfuron-methyl 600 g/ kg (5 g/ 10L + penetrant) or clopyralid (50 ml/10 L) or Tordon Brush Killer (60 ml/10 L). Pinus radiata Radiata pine Removal of pines from within the SNA De-limb and top to no more than 5 m. Remove branches and leave standing poles to break down naturally. Trunk drilling and poisoning (refer methods contained within Marlborough District Council Factsheet 174 “Poisoning wilding radiata pine” Felled and/or poisoned trees to be left in situ to decompose naturally. Trunks may be drilled or cut to facilitate decomposition. Wild ginger Gorse Chinese privet Pampas Japanese honeysuckle Radiata pine Climbing asparagus

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