Shallot Species and Subtypes Discrimination Based on Morphology Descriptors
Josipa Perković1, Nikola Major1, Dean Ban1,2
1Institute of Agriculture and Tourism, Karla Huguesa 8, 52440 Poreč, Croatia.
Plants (Basel, Switzerland)
|January 1, 2021
Summary
Shallot species identification is complex. This study found that vegetative and bulb morphology provide accessible descriptors for distinguishing shallot types, aiding in crop classification.
Area of Science:
- Horticulture
- Plant Taxonomy
- Agricultural Science
Background:
- Shallots (Alliaceous crop) exhibit high phenotypic variability, complicating species determination.
- Current methods relying on flower morphology are inconsistent due to genetic and environmental influences on flowering.
Purpose of the Study:
- To investigate the effectiveness of vegetative and bulb morphological descriptors for shallot species discrimination.
- To identify accessible morphological traits for shallot classification.
Main Methods:
- Utilized European Cooperative Programme for Plant Genetic Resources (ECPGR) morphology descriptors.
- Described 35 Croatian shallot accessions based on vegetative and bulb characteristics.
Main Results:
- Vegetative and bulb morphology descriptors demonstrated significant discriminating power for shallot species.
- Identified two subtypes within the Allium cepa Aggregatum group: shallot type and potato onion type, differentiated by bulb shape, skin color, and bulblet count.
Conclusions:
- A methodology using vegetative and bulb morphology offers a reliable approach for shallot species discrimination.
- The findings contribute to a more consistent classification of shallot genetic resources.
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