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HaSSP VCU-DUS workshop report, Zimbabwe
7 February 2012 - 8 February 2012


The introduction of new varieties to the market is necessary to keep abreast with changing farming conditions and the need for improved yields and market requirements. Each new variety in the market must be identifiable and be sufficiently uniform and stable in its characteristics so that remains true to its description from year to year. These aspects of variety identification and maintenance are known by the acronym DUS, meaning Distinct, Uniform and Stable. The DUS tests are not related to the value of a variety, but are designed to describe, identify and distinguish a new variety from existing varieties. Consequently, morphological traits of plants that are minimally affected by environment, i.e., those which have a phenotypic expression highly correlated to the genotype, are used. For many field crops, these traits have been described by the International Union for the Protection of New Plant Varieties (UPOV). While the conduct of DUS tests may be standardised relatively easily, the scoring of the traits is subjective and consequently those conducting the tests must have a good understanding of the definition and range of expression of each trait.

In February, 2012, HaSSP organised a Workshop for stakeholders in the Zimbabwe seed sector to gain a better understanding of DUS tests for a variety of crops. This report summarises the content and outcome of the workshop.

HaSSP VCU-DUS workshop report, Zimbabwe
HaSSP VCU-DUS workshop report, Zimbabwe
HaSSP VCU-DUS workshop report, Zimbabwe
HaSSP VCU-DUS workshop report, Zimbabwe
HaSSP VCU-DUS workshop report, Zimbabwe

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