Velvetleaf

Velvetleaf has been found in fodder beet crops in both the North and South Islands. We need your help to contain this invasive pest species and stop it getting established in New Zealand.


Download the velvetleaf farm management factsheet [PDF, 1.2 MB]

Download the 'Ute guide' for field management of velvetleaf [PDF, 5.2 MB] 

Background

Velvetleaf is a distinctive, tall weed
Velvetleaf found in Canterbury

Velvetleaf (Abutilon theophrasti) is present in fodder beet crops on a number of properties throughout New Zealand.

Velvetleaf is a serious cropping weed, potentially affecting many arable crops by competing for nutrients, space, and water. It is an Unwanted Organism in New Zealand.

The current situation has been linked to the importation of contaminated fodder beet seed. A list of known contaminated lines is below.

As a consequence, MPI has reviewed its importing rules for seed and strengthened the import requirements for pelletised seed.

Affected seed lines

MPI has been testing imported fodder beet seed lines for velvetleaf contamination. This testing is continuing.

All seed lines that test positive for velvetleaf, an unwanted organism, will not be cleared for entry into New Zealand. Any of these lines that arrive here will either be re-shipped or destroyed.

To date velvetleaf seed has only been found in seed lines sourced from Italy. The imported seed was certified as meeting our biosecurity requirements by Danish authorities.

A list of fodder beet lines that have tested positive for velvetleaf contamination is as follows. This list will be updated if other lines test positive for velvetleaf.

  • Kyros DNK -16UB128
  • Bangor DNK-15UB079
  • Bangor DNK- 16UB126
  • Bangor DNK- 16UB114
  • Feldherr DNK-16UB131
  • Troya DNK-16UB112

All farmers who have planted fodder beet seed, regardless of the seed line, should check their crops carefully for velvetleaf.

Sightings of this aggressive weed should be reported immediately to MPI on 0800 80 99 66.

What to look for

  • Velvetleaf is an annual broad-leaved weed that grows between 1 and 2.5m tall.
  • It has buttery-yellow flowers about 3cm across. It flowers from spring through autumn.
  • Leaves are large and heart-shaped and are velvety to the touch.
  • The plant has distinctive seedpods with 12 to 15 segments in a cup-like ring. Each seedpod is about 2.5cm in diameter.
  • At present, most velvetleaf is at the end of its season and is dying, leaves may have dropped and only dark brown/black dried seed heads may remain.

What's being done?

Velvetleaf seedpod
Velvetleaf seedpod

MPI is working with partner organisations to manage velvetleaf. The aim is to find it, contain it, and safely remove any plants found. Your help in finding and reporting this weed will give us the best chance of dealing with it.

What you can do

Velvetleaf flower. Photo courtesy of Landcare Research.
Velvetleaf flower

If you have planted fodder beet check your paddocks.

If you find velvetleaf contact MPI on 0800 80 99 66, and then follow these steps:

If the plants have no seeds or if seed pods are green

  • Record the location of the plant/s so it is easy to find again for future monitoring.
  • Pull out the plant. Bag the full plant – using a large bag (for example fertiliser bag or sack).
  • Dispose of the bagged plant/s by deep burial (at least 1m) or in a covered offal pit.

If the seed pods have turned black

  • Carefully place a large bag (like a fertiliser bag or sack) over the plant's seed capsules and tie the bag tightly around the stem. It is important to make sure all seed heads are contained within the bag.
  • Bend the velvetleaf plant in half so that seeds cannot escape out of the neck of the bag.
  • Carefully pull out the plant, bag it again, and dispose of it as described above.
  • Inspect the rest of your crop to ensure there are no more plants.

Re-inspection this season

  • Keep an eye out for any late emerging velvetleaf plants.
  • Re-inspect your field before grazing your fodder beet crop even if your property was inspected for velvetleaf this season.
  • If you find plants pull them out, double bag them, and dispose of them as described above.

Our factsheet, 'ute guide' and velvetleaf farm management plan have more information on what action to take. This includes information about stock grazing, stock movements and managing farm equipment to prevent spreading velvetleaf.

Find out more

Who to contact

Farmers finding it difficult to deal with the added stress of the velvetleaf incursion are encouraged to call their Rural Support Trust on 0800 787 254 (0800 RURAL HELP) for a free, confidential chat.

MPI and regional councils, Federated Farmers, Foundation for Arable Research, New Zealand Grain and Seed Trade Association, DairyNZ and Beef+Lamb New Zealand thank you for your help in this important work.

If you have questions about velvetleaf, email info@mpi.govt.nz

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