Nzqa expiring unit standard 1675 version 8




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NZQA Expiring unit standard

1675 version 8




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Title

Select control programmes for amenity plant diseases and disorders

Level

4

Credits

8




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 a range of specific amenity plant diseases and disorders; evaluate disease and disorder control measures; and select a disease and disorder control programme for a specified amenity horticultural situation.




Classification

Horticulture > Amenity Horticulture




Available grade

Achieved


Explanatory notes
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 a range of specific amenity plant diseases and disorders.
Evidence requirements
1.1 Fungal diseases are recognised and named by viewing signs or symptoms.
Range diseases – downy mildew, grey mould, phytophthora, powdery mildew, sclerotinia, silver leaf, wilt fungi;

signs or symptoms – bulb rots, cankers and diebacks damping off, fungal galls, leaf spots, rusts.


1.2 Bacterial diseases are recognised and named by viewing symptoms.
Range bacterial spot (begonias), blast (peach, citrus), fireblight (Cotoneaster, Pyracantha), soft rot, crown gall.
1.3 Viral diseases are recognised and named by viewing symptoms.
Range mosaics, breaks, wilts.
1.4 Causes of physiological disorders are recognised.
Range nutrient deficiencies, nutrient toxicities, wind damage, hail damage, unsuitable light levels, unsuitable soil moisture levels, unsuitable temperatures.
Outcome 2
Evaluate disease and disorder control measures.
Evidence requirements
2.1 Cultural control methods are explained, and illustrated with common examples.
Range six of – barriers, crop rotation, environmental modification, hygiene, pheremones, planting nectar sources to attract natural enemies, prevention of plant injury, quarantine, resistant cultivars, soil cultivation, soil water management, time of sowing.
2.2 Biological control is explained, and illustrated with examples of pathogens commonly used.
Range Agrobacterium radiobacter, Trichoderma viride.
2.3 Pesticides used to control amenity plant diseases and disorders are summarised according to chemical name, formulation, toxicity, mode of action, and resistance potential.
2.4 The principle of integrated pest control is explained, and specific programmes are outlined.
2.5 Health and safety precautions for using pesticides are outlined.
Range precautions to protect the user, other people, other crops, the environment according to the Standard.
Outcome 3
Select a disease and disorder control programme for a specified amenity horticultural situation.
Evidence requirements
3.1 Major diseases and disorders present are listed in relationship to their vulnerability to various environmental conditions.
3.2 Chemical control methods are identified on the basis that cultural and biological methods have been exhausted.
3.3 Cultural, biological, and chemical methods are integrated into the selected programme.
3.4 Programme selected is justified against other available programmes.
Range all chemical, all biological.

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.
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



Ó New Zealand Qualifications Authority 2016





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