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Related Concept Videos

Plant Breeding and Biotechnology01:59

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Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
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Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
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Updated: May 29, 2025

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Haplotype breeding: fast-track the crop improvements.

Vijay Kamal Meena1, R Thribhuvan2, Vishal Dinkar3

  • 1Agriculture Research Substation, Agriculture University (Jodhpur), Sumerpur, Pali, Rajasthan, 306902, India.

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Summary
This summary is machine-generated.

Haplotype-based breeding (HBB) leverages genomic data to accelerate crop improvement, enhancing genetic gain and addressing climate change challenges. This method unlocks variations in unexplored germplasms for resilient crop varieties.

Keywords:
CerealsClimate changeGenomicsGenomics-assisted breedingLinkage disequilibriumSNPSequencing

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Area of Science:

  • Agricultural Science
  • Genetics
  • Plant Breeding

Background:

  • Climate change introduces abiotic stresses and alters pest/disease patterns, threatening food security.
  • Novel methods are crucial for detecting genetic variations to mitigate climate change impacts on crops.
  • Genomic-assisted breeding enhances cereal crop efficiency in dynamic environments.

Purpose of the Study:

  • To introduce the concept of haplotype-based breeding (HBB).
  • To explore the relationship between HBB and conventional breeding methods.
  • To analyze the advantages and advancements of HBB, particularly in cereal crops.

Main Methods:

  • Utilizing genome sequence data to identify specific allelic variations.
  • Integrating millions of single nucleotide polymorphisms (SNPs) into haplotype blocks using statistical tests.
  • Identifying superior haplotypes for use in breeding programs.

Main Results:

  • Haplotype-based breeding unleashes genetic variations from unexplored germplasms.
  • Integration with genomics tools accelerates genetic gain.
  • HBB aids in overcoming linkage drag challenges in crop breeding.

Conclusions:

  • Haplotype-based breeding offers a powerful tool for developing tailored crop varieties.
  • HBB accelerates breeding cycles and enhances crop resilience to climate change.
  • This approach is vital for addressing global food security challenges.