NZQA Expiring unit standard
1669 version 8
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Title
Identify common weeds in amenity areas and describe control
measures
Level
3
Credits
10
Purpose
This unit standard is for people working, or intending to work, in
amenity horticulture. People credited with this unit standard
are able to: identify, collect, label and present a range of
common horticultural weeds; identify, either in situ or ex situ a
range of common horticultural weeds; explain the way common
weeds survive and spread; and describe methods to control
weed growth and spread.
Classification
Horticulture > Amenity Horticulture
Available grade
Achieved
Explanatory notes
1
Primary Industry Training Organisation holds a list of weeds considered common in
most areas, or that are well known. However, other species may be common in
localised areas, and should not be excluded.
2
Definitions
Unique identifier refers to a personal identifying object in the photograph that is used
to determine that individual actually took the photograph themself.
In situ refers to in its original place.
Ex situ refers to away from its original place.
3
Legislation relevant to this unit standard includes but is not limited to the Hazardous
Substances and New Organisms Act 1996, and subsequent amendments.
Outcomes and evidence requirements
Outcome 1
Identify, collect, label and present a range of common horticultural weeds.
Evidence requirements
1.1
Ten common horticultural weeds are identified; plant specimens are collected,
pressed, dried and mounted, or photographed with a unique identifier.
Range
weeds collected may include but are not limited to Primary
Industry Training Organisation List.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
1.2
1669 version 8
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Plant specimens and/or photographs with a unique identifier are labelled and
presented.
Range
label includes – botanical, common, and family names; identifying
features, and site location.
Outcome 2
A range of common horticultural weeds are identified either in situ or ex situ, excluding
previously collected or uniquely photographed specimens.
Evidence requirements
2.1
Twenty common horticultural weeds are identified either in situ or ex situ,
excluding previously collected or uniquely photographed specimens.
Range
identification includes – common and family names; identifying
features.
Outcome 3
Explain the way common weeds survive and spread.
Evidence requirements
3.1
Physical characteristics of weeds are identified.
Range
3.2
Weed adaptations for survival under common horticultural practices are
described.
Range
3.3
rhizomes, tubers, root or shoot segments, bulbs, seeds, stolons,
physical and chemical defences.
growth rate and habit, seed production and dispersal, seeding
height, pesticide resistance.
Different environmental conditions are described in relation to weed growth and
distribution.
Range
a minimum of three environmental conditions experienced in the
local area.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
1669 version 8
Page 3 of 4
Outcome 4
Describe methods to control weed growth and spread.
Evidence requirements
4.1
The detrimental effects of weeds are explained in terms of problems caused to
amenity horticulturists.
effects – competition for light, moisture, and nutrients, aesthetic
appearance.
Range
4.2
Weeds are categorised to assist in their control.
Range
4.3
dicotyledons, monocotyledons, broadleaf weeds, grass weeds,
annuals, biennials, perennials.
Methods of weed management are outlined in terms of their application
methods and safety procedures.
Range
4.4
cultivation, mulching, chemicals, crop management, integrated
management.
Herbicides to control horticultural weeds are classified by mode of action.
Range
pre-emergence, contact, systemic, residual.
This unit standard is expiring. Assessment against the standard must take place by
the last date for assessment set out below.
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
28 January 1995
31 December 2013
Review
2
28 November 1997
31 December 2013
Revision
3
19 July 2001
31 December 2013
Revision
4
24 February 2006
31 December 2013
Review
5
20 June 2008
31 December 2015
Review
6
18 August 2011
31 December 2015
Rollover
7
17 October 2013
31 December 2015
Rollover
8
17 September 2015
31 December 2019
Consent and Moderation Requirements (CMR) reference
0032
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
1669 version 8
Page 4 of 4
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR also includes useful information about special requirements for organisations wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016