East Indian Mahogany Chukrasia Velutina

Invasive plant

East Indian mahogany Chukrasia velutina

East Indian mahogany is a dominant native of high rainfall Leaves are compound, alternate, pinnate with 4–9 pairs lowland forest from Bangladesh to Thailand. Regarded as of alternate hairy leaflets without an end leaflet. a pioneer species, it can colonise bare ground and road cuttings in its natural range. Large yellowish-white flowers appear on stalks in the leaf axils or at the ends of branches. Capsules are large The species was introduced to the Atherton Tableland (4 cm × 3.5 cm), rounded, woody and contain 60–100 and Mulgrave Valley in the 1960s as a cabinet timber. It seeds, which are winged at one end. has prolific seed production and a tremendous potential for spread through wind-borne seeds. It is now steadily Control expanding its range by colonising disturbed areas within rainforest, on rainforest edges and in cleared areas. Manual control Manually remove seedlings. If larger plants are cut down Legal requirements or ringbarked the stump must be treated with a suitable East Indian mahogany is not a prohibited or restricted herbicide, otherwise the tree will reshoot. invasive plant under the Biosecurity Act 2014. However, by law, everyone has a general biosecurity obligation Herbicide control (GBO) to take reasonable and practical steps to minimise There are no herbicide products specifically registered the risks associated with invasive plants under their for the control of East Indian mahogany in Queensland. control. However, a permit held by the Department of Agriculture and Fisheries allows people generally to use some Local governments must have a biosecurity plan that herbicide products to control East Indian mahogany as an covers invasive plants in their area. This plan may include environmental weed in various situations. actions to be taken on certain species. Some of these actions may be required under local laws. Contact your See Table 1 for the treatment options in situations allowed local government for more information. by the permit. Prior to using the herbicides listed under this permit Description (PER11463) you must read or have read to you and Deciduous medium to large tree, 30–40 m in height. understand the conditions of the permit. To obtain a Bark surface is rusty brown or deep brown, deeply fissured copy of this permit visit apvma.gov.au. or cracked, with obvious lenticels. Follow up Treated areas should be monitored regularly for any new seedlings or regrowth.

Further information Further information is available from your local government office, or by contacting Biosecurity Queensland on 13 25 23 or visit biosecurity.qld.gov.au.

Table 1. Herbicides for the control of East Indian mahogany

Situation Herbicide Rate Registration Comments details Non-agricultural Glyphosate 360 g/L 1 L per 2 L water APVMA permit Stem inject areas, domestic (e.g. Roundup) Consult label for PER11463 To stem inject, use a brace and public service And other formulations correct rate for other Permit expires and bit, axe or stem injector areas, commercial products or calculate 30/06/2023 to create dose pockets at and industrial areas, using instructions in 6–8 cm intervals around bushland/native the permit the base of the tree during forests, roadsides, active growth periods rights-of-way, vacant Triclopyr 200 g/L + picloram 1 L per 4 L water Cut of the injection must lots, wastelands, 100 g/L (e.g. Slasher) be through the bark and dunal and coastal Or deep enough to place the areas Triclopyr 200 g/L + picloram chemical in contact with 100 g/L + aminopyralid the sapwood Apply the 25 g/L (e.g. Tordon chemical immediately after RegrowthMaster) the dose pocket is made Make sure that any trees treated with herbicide will not cause a hazard for people or public utilities when they finally fall Read permit carefully prior to use Triclopyr 240 g/L + picloram 1 L per 60 L diesel Basal bark spray or cut 120 g/L (e.g. Access) stump to less than 10 cm above ground and immediately paint or spot spray stump Fluroxypyr 200 g/L 35 mL per 1 L diesel/ Basal bark spray as per (e.g. Fluroxypyr 200) kerosene label instructions Fluroxypyr 333 g/L 21 mL/1 L diesel (e.g. Starane Advanced) Fluroxypyr 200 g/L 500 mL–1 L per Spot spray (young trees) (e.g. Fluroxypyr 200) 100 L water Fluroxypyr 333 g/L 300–600 mL/100 L (e.g. Starane Advanced) water

Read the label carefully before use. Always use the herbicide in accordance with the directions on the label.

This fact sheet is developed with funding support from the Land Protection Fund. Fact sheets are available from Department of Agriculture and Fisheries (DAF) service centres and our Customer Service Centre (telephone 13 25 23). Check our website at biosecurity.qld.gov.au to ensure you have the latest version of this fact sheet. The control methods referred to in this fact sheet should be used in accordance with the restrictions (federal and state legislation, and local government laws) directly or indirectly related to each control method. These restrictions may prevent the use of one or more of the methods referred to, depending on individual circumstances. While every care is taken to ensure the accuracy of this information, DAF does not invite reliance upon it, nor accept responsibility for any loss or damage caused by actions based on it.