21555 Demonstrate knowledge of weeds and their control

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					NZQA Expiring unit standard                                                         21555 version 2
                                                                                        Page 1 of 3


Title              Demonstrate knowledge of weeds and their control

Level              2                              Credits           4


Purpose                        This is a unit standard for people handling agrichemicals in
                               land based industries.

                               People credited with this unit standard are able to: identify
                               weeds, and the ways they survive and spread; and describe
                               methods of weed prevention and control, and the relationship
                               between weed control and plant life cycles.


Classification                 Pest Management > Pest Control


Available grade                Achieved


Explanatory notes

1       Legislation and relevant regulations relevant to this unit standard include but are not
        limited to -
        Hazardous Substances and New Organisms Act 1996, and relevant regulations;
        Health and Safety in Employment Act 1992;
        Biosecurity Act 1993.

2       The New Zealand Standard applicable to this unit standard is NZS 8409:2004 The
        management of agrichemicals, available from http://www.standards.co.nz.

3       Codes and related documentation applicable to this unit standard include but are not
        limited to:
        Responsible Care Management System, available from the New Zealand Chemical
        Industry Council (NZCIC, PO Box 5069, Wellington).

4       Definitions
        agrichemical – any substance, whether inorganic or organic, man-made or naturally
        occurring, modified or in its original state, that is used in any agriculture, horticulture
        or related activity, to eradicate, modify or control flora and fauna. It includes
        agricultural compounds, fertilisers, vertebrate pest control products and oral nutrition
        products (this definition differs to that given in NZS 8409:2004, where agrichemicals
        exclude fertilisers, vertebrate pest control products and oral nutrition products);
        weed – a plant that interferes with the management objectives of a land based
        industry at a particular location. It is a plant growing where it is not wanted, however
        under certain situations, the plant may not be totally undesirable;
        legal – a weed prevention and control method carried out in response to legislative
        requirements which includes but is not limited to the Biosecurity Act 1993.



New Zealand Horticulture Industry Training                   New Zealand Qualifications Authority 2012
Organisation
SSB Code 101566
NZQA Expiring unit standard                                                       21555 version 2
                                                                                      Page 2 of 3

Outcomes and evidence requirements
Outcome 1

Identify weeds, and the ways they survive and spread.

Evidence requirements

1.1         Weeds are defined, and their detrimental effects are identified and described, in
            relation to a specified land based industry.

1.2         Weeds from a specified region and land based industry, are identified by sight.

            Range           evidence is required for at least 15 weeds.

1.3         Weed survival is described in terms of plant adaptation and dispersal.

            Range           plant type, plant reproduction, physical and chemical defences,
                            plant vigour, root systems.

1.4         Plant life cycles are described.

            Range           life cycles – annual, biennial, ephemeral; perennial – herbaceous,
                            woody.

Outcome 2

Describe methods of weed prevention and control, and the relationship between weed
control and plant life cycles.

Evidence requirements

2.1         Weed prevention and control is described in terms of the methods used.

            Range           methods – biological, chemical, cultural, physical, legal.

2.2         The implications of weed prevention and control are described in relation to
            each stage of the plant life cycle.

            Range           life cycles – annual, biennial, ephemeral; perennial – herbaceous,
                            woody.




New Zealand Horticulture Industry Training                 New Zealand Qualifications Authority 2012
Organisation
SSB Code 101566
NZQA Expiring unit standard                                                 21555 version 2
                                                                                Page 3 of 3


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            27 May 2005               31 December 2013
Review                2            18 August 2011            31 December 2013

Consent and Moderation Requirements (CMR) reference               0052
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.

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.




New Zealand Horticulture Industry Training           New Zealand Qualifications Authority 2012
Organisation
SSB Code 101566

				
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