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Related Experiment Video

Updated: May 6, 2026

Determination of Self- and Inter-incompatibility Relationships in Apricot Combining Hand-Pollination, Microscopy and Genetic Analyses
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Quantitatively determined self-incompatibility : 1. Theoretical considerations.

O Mayo1, C R Leach

  • 1Biometry Section, Waite Agricultural Research Institute, 5064, Glen Osmond, South Australia, Australia.

TAG. Theoretical and Applied Genetics. Theoretische Und Angewandte Genetik
|November 16, 2013
PubMed
Summary
This summary is machine-generated.

Computer simulations explored ten-gene models for incomplete self-incompatibility in Borago officinalis. High mutation rates are needed for variability, and this system shows greater ineffective pollination than previously modeled.

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Area of Science:

  • Plant reproductive biology
  • Population genetics

Background:

  • Incomplete self-incompatibility in Borago officinalis is thought to be controlled by multiple genes.
  • Previous theoretical models exist for oligogenic self-incompatibility systems.

Purpose of the Study:

  • To develop and examine simple ten-gene models for self-incompatibility in Borago officinalis.
  • To assess the mutation rates and pollination effectiveness of these models.

Main Methods:

  • Computer simulations were used to analyze the properties of ten-gene models.
  • The models simulated enforced cross-fertilization and genetic variability.

Main Results:

  • High mutation rates are required to maintain genetic variability in small populations within the ten-gene model.
  • The ten-gene system exhibited a significantly greater extent of ineffective pollination compared to simpler models.

Conclusions:

  • The findings suggest that complex genetic models for self-incompatibility require substantial mutation rates.
  • The increased ineffective pollination in the ten-gene system may be a verifiable characteristic of self-incompatible Borage.