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FlowerMorphology: fully automatic flower morphometry software.

Sergey M Rozov1, Elena V Deineko2,3, Igor V Deyneko4,5

  • 1Laboratory of Bioengineering of Plants, Institute of Cytology and Genetics SD RAS, Novosibirsk, Russia. rozov@bionet.nsc.ru.

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|February 3, 2018
PubMed
Summary

FlowerMorphology software quantifies subtle plant variations using novel flower morphometry parameters. This tool accurately characterizes tobacco polyploid series, revealing correlations between chromosome number and flower morphology, crucial for genetic studies.

Keywords:
Automatic image acquisition and analysisFlower morphologyFlower shapeFlower symmetry

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Area of Science:

  • Botany
  • Computational Biology
  • Genetics

Background:

  • Accurate quantification of subtle plant morphological variations is essential for understanding genetic diversity.
  • Existing methods may lack the precision and throughput needed for detailed morphometric analysis.

Purpose of the Study:

  • To introduce FlowerMorphology, a novel software for automatic actinomorphic flower morphometry.
  • To quantitatively characterize a tobacco polyploid series and investigate ploidy-flower morphology relationships.

Main Methods:

  • Development of the FlowerMorphology software for automated imaging and analysis of five-petal actinomorphic flowers.
  • Calculation of 16 direct and 10 complex morphometric parameters.
  • Application to a genetically similar polyploid series of Nicotiana tabacum.

Main Results:

  • FlowerMorphology accurately quantifies flower variations, including subtle differences.
  • A positive correlation was found between chromosome number and the radius of inner petal incisions in tobacco flowers.
  • Polyploidy significantly affects flower symmetry, with parameters positively correlating with chromosome number, unlike the radius of the outer corolla.

Conclusions:

  • FlowerMorphology provides a high-throughput, accurate method for plant morphometry, particularly for subtle variations.
  • The software enables novel quantitative characterization of plant polyploid series.
  • New morphometric parameters reveal ploidy-dependent changes in flower size, form, and symmetry.