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- (Abbreviation: PGR). The reproductive or vegetative propagating material of: 1. cultivated varieties (cultivars) in current use and newly developed varieties; 2. obsolete cultivars; 3. primitive cultivars (landraces); 4. wild and weed species, near relatives of cultivated varieties; and 5. special genetic stocks (including elite and current breeder's lines and mutants).
UN Food and Agriculture Organization - Cite This Source - This Definition
- cultivar, EDV, essential derivation of varieties, phytochemical, Roundup-ready\ä, variety, Weed