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Story: Weeds of agriculture

Contents

  1. Story summary

  2. Introduction of weeds

  3. Weeds in pasture, crops and forestry

  4. Weeds in water and in ecosystems

  5. Legislation

  6. Weed control

  7. Costs of weeds, and the future

  8. External links and sources

All images and media

From page 1 - Introduction of weeds

Lupins in the Arrow River bed

Lupins in the Arrow River bed

Bracken fern

Bracken fern

Motuara Island, Queen Charlotte Sound

Motuara Island, Queen Charlotte Sound

Gorse

Gorse (1st of 3)

Gorse seed for sale

Gorse seed for sale (2nd of 3)

‘Oh dear’

‘Oh dear’ (3rd of 3)

From page 2 - Weeds in pasture, crops and forestry

Barley grass eye damage

Barley grass eye damage

Scotch thistle

Scotch thistle (1st of 3)

Nodding thistle

Nodding thistle (2nd of 3)

Californian thistle

Californian thistle (3rd of 3)

Mouse-ear hawkweed

Mouse-ear hawkweed

Weeds in maize crop

Weeds in maize crop

Pampas

Pampas

From page 3 - Weeds in water and in ecosystems

Alligator weed

Alligator weed

Wilding pines

Wilding pines

Controlling wilding pines

Controlling wilding pines

From page 4 - Legislation

Nassella tussock

Nassella tussock

Agapanthus

Agapanthus

From page 5 - Weed control

Spray equipment, 1939

Spray equipment, 1939

Chemical control of gorse

Chemical control of gorse

Roundup advertisement

Roundup advertisement

Biological control of St John’s wort

Biological control of St John’s wort

From page 6 - Costs of weeds, and the future

Weed dump

Weed dump

Giant buttercups

Giant buttercups

Field or common horsetail

Field or common horsetail

How to cite this page:

Ian Popay, 'All images and media', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/en/weeds-of-agriculture/media (accessed 4 June 2023)

Story by Ian Popay, published 24 Nov 2008

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