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28 June 2026

Coffea x libex coffee hybrid

The discovery of a climate-resilient coffee hybrid provides relevant context for questions on agricultural diversification, crop resilience, and food processing industries in India.

1 min read 2 questions 1 prelims

Notes

  • Coffea x libex (Libex) is a newly confirmed hybrid of Coffea liberica and Coffea excelsa.
  • Global coffee production is currently dominated by Arabica and Robusta, which account for over 99.99% of output.
  • Arabica and Robusta are increasingly vulnerable to climate change, specifically rising temperatures and erratic rainfall.
  • Research by the Royal Botanic Gardens, Kew, confirmed the hybrid status of Libex using genomic evidence from 113 samples across Asia, Africa, and Central America.
  • Libex demonstrates potential for resilience in warmer climates and diverse rainfall patterns.
  • Cultivation methods for Libex include clonal propagation, micropropagation, and grafting onto select rootstocks.
  • Indian samples of Libex were identified at the Malleshwara Estate in Hassan district, Karnataka.
  • Libex offers agricultural advantages over Liberica, including higher yields, better outturn ratios, and thinner pulp/parchment for more efficient processing.
  • Libex is described as having a balanced flavor profile, combining tropical fruit notes with chocolate and dried fruit depth.

Questions

  1. Discuss the significance of developing climate-resilient coffee hybrids like Coffea x libex in the context of global agricultural sustainability and food security. 150 words
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  2. The over-reliance on a narrow genetic base in global coffee production poses significant risks to the industry. In light of the discovery of Coffea x libex, analyze the role of genomic research and crop diversification in mitigating the impact of climate change on plantation crops in India. 250 words
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Prelims

  1. With reference to 'Coffea x libex', which of the following statements is correct?