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Related Experiment Video

Updated: Oct 4, 2025

Author Spotlight: Sieving Fruit Pulp to Detect Immature Tephritid Fruit Flies in the Field

Author Spotlight: Sieving Fruit Pulp to Detect Immature Tephritid Fruit Flies in the Field

Published on: July 28, 2023

Volume estimation models for avocado fruit.

Mulugeta Mokria¹, Aster Gebrekirstos², Hadia Said¹

¹World Agroforestry (ICRAF), C/O ILRI Campus, Gurd Shola, Addis Ababa, Ethiopia.

|February 3, 2022

Summary

Accurate avocado fruit volume estimation is now possible using non-destructive allometric models. These models provide reliable yield predictions and aid in assessing fruit quality for commercial avocado production.

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Area of Science:

Horticultural Science
Agricultural Engineering
Quantitative Biology

Background:

Avocado (Persea americana Mill.) is a significant horticultural and commercial crop.
Fruit physical characteristics are key indicators of avocado quality.
Estimating avocado fruit volume is currently time-consuming and impractical in field settings.

Purpose of the Study:

To develop cultivar-specific and generalized allometric models for non-destructive avocado fruit volume determination.
To establish reliable methods for estimating avocado fruit volume and yield.

Main Methods:

Devised and validated cultivar-specific and generalized allometric models.
Utilized fruit diameter and length measurements for volume estimation.
Employed rigorous cross-validation and performance statistics for model assessment.

Main Results:

Significant relationships (P ≤ 0.01) were found between avocado fruit dimensions and volume.
Developed models (VM2 and VM7) explained high percentages of variation in fruit volume across multiple cultivars (87-94%).
Models demonstrated reliability for volume and yield estimation where direct measurement is inconvenient.

Conclusions:

Allometric models offer a practical solution for non-destructive avocado fruit volume and yield estimation.
These models enhance data availability on fruit physical appearance, crucial for quality assessment and consumer decisions.
The models can serve as ripeness indices and support further research in avocado production systems.