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Selection of Potential Potato Cultivars With Export Quality Through Multitrait Genotype-Ideotype Distance Index

Md Mazadul Islam1, Md Nurul Amin2, Md Mushfiqur Rahman1

  • 1Tuber Crops Research Centre Bangladesh Agricultural Research Institute Gazipur Bangladesh.

Food Science & Nutrition
|February 13, 2026
PubMed
Summary

Six potato genotypes show export potential for Bangladesh, with BARI Alu-62 and BARI Alu-97 identified as top performers for export quality. This research aids in selecting superior potato varieties to boost national exports and food security.

Keywords:
MGIDImultitrait selectionpotato breedingpotato exportyield

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Area of Science:

  • Agricultural Science
  • Plant Breeding
  • Food Security

Background:

  • Potatoes are crucial for food security due to high yields and short growing seasons.
  • Selecting superior potato genotypes requires evaluating multiple traits for optimal germplasm.
  • Enhancing potato exports is a key economic goal for Bangladesh.

Purpose of the Study:

  • Identify high-quality potato genotypes with export potential in Bangladesh.
  • Utilize the multitrait genotype-ideotype distance index (MGIDI) for genotype evaluation.
  • Guide breeding strategies to improve potato varieties for international markets.

Main Methods:

  • Evaluated 30 potato varieties released by BARI across four agroecological zones.
  • Assessed traits including yield, dry matter, storability, and disease incidence.
  • Applied the MGIDI to rank genotypes based on multiple desirable characteristics.

Main Results:

  • Six superior genotypes were identified: BARI Alu-7, BARI Alu-40, BARI Alu-46, BARI Alu-97, BARI Alu-62, and BARI Alu-37.
  • BARI Alu-62 and BARI Alu-97 demonstrated the best overall performance for export quality.
  • Genotype performance varied, highlighting strengths and weaknesses for specific traits.

Conclusions:

  • Multitrait genotype selection is effective for identifying elite potato varieties.
  • Selected genotypes, particularly BARI Alu-62 and BARI Alu-97, can enhance Bangladesh's potato export capabilities.
  • Improving key potato traits can significantly benefit the national economy and food security.