Cape Tulips Control Guide
- Plan your control program, this will save time and money in the long-run;
- Consider the impact of your control methods on off-target species, especially if herbicides are used;
- Ensure machinery and equipment is washed down between sites or prior to contractors leaving site;
- Get in early;
- Carefully time your use of herbicide for best results (see Herbicides for Cape Tulip Control for more information);
- Coordinate your control program with neighbouring landholders where your weed problem crosses property boundaries;
- Revisit and regularly inspect the site and ensure follow-up is undertaken.
- Don’t introduce cape tulips to cape tulip-free areas (e.g. by failing to wash down machinery and equipment between sites);
- Don’t start your control program without first planning your approach;
- Don’t rely on one attempt at removal – follow-up is essential;
- Don’t rely just on herbicide control, establish vigorous pasture after removal to reduce re-infestation.
Spread of Cape Tulips
Avoid the introduction of Cape Tulips
- Cape tulips are spread by movement of seed, corms and cormils caught in farm machinery and in contaminated agricultural produce.
- The most common method of dispersal is in hay or silage cut from infested paddocks. Cape tulip corms and cormils can also be spread in floodwaters.
- Avoid introducing cape tulips into clean areas, or into areas from which the weed is being eradicated.
- Implements and vehicles which have been used on infested areas should be thoroughly cleaned on leaving.
- Ensure that hay is free of cape tulip seed, corms and cormils.
- See the Washdown Guidelines for Weed and Disease Control for detailed information on how to wash-down equipment and personnel to reduce the chance of spreading cape tulips.
- A number of herbicides are registered for use on cape tulip in Tasmania. See Herbicides for Cape Tulip Control for more information.
- The dormancy of corms and cormils can influence the effectiveness of chemical control of cape tulip.
- In cool summers or where there is a late break to the season, many corms and cormils remain dormant and do not sprout in the autumn.
- In this case, treatment with herbicide will have to be repeated over several season before there is a noticeable reduction in the appearance of cape tulips.
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