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Related Experiment Video

Updated: Mar 7, 2026

Multipronged Phenotyping Approaches to Characterize Sugarcane Root Systems

Multipronged Phenotyping Approaches to Characterize Sugarcane Root Systems

Published on: August 17, 2022

Early selection of sugarcane using path analysis.

R P Barbosa¹, F Alcântara Neto¹, L M Gravina²

¹Departamento de Fitotecnia, Universidade Federal do Piauí, Teresina, PI, Brasil.

Genetics and Molecular Research : GMR

|February 16, 2017

Summary

This summary is machine-generated.

Stalk diameter is a key indicator for improving sugarcane dry matter yield through indirect selection. Degrees Brix and juice pol can also be used to enhance total recoverable sugar production in sugarcane.

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Area of Science:

Agronomy
Plant Breeding
Agricultural Science

Background:

Sugarcane (Saccharum officinarum) is a vital crop for sugar and biofuel production.
Optimizing sugarcane yield requires understanding the complex relationships between biometric and technological traits.

Purpose of the Study:

To analyze sugarcane biometric and technological data using path analysis at different growth stages.
To identify key traits for indirect selection to improve stalk dry matter and total recoverable sugar yields.

Main Methods:

Path analysis was employed to evaluate direct and indirect effects of production components.
Data from 12 sugarcane genotypes were collected at six timepoints (90-240 days).
Biometric traits (stalk length, diameter, etc.) and technological variables (degrees Brix, juice pol, etc.) were assessed.

Main Results:

Stalk diameter showed the strongest positive correlation with stalk dry matter yield across all timepoints.
Degrees Brix and juice pol were highly correlated with total recoverable sugar production.
Path analyses indicated that evaluated components explained significant variation in yield and technological traits.

Conclusions:

Indirect selection for stalk dry matter yield can be effectively achieved through stalk diameter and tiller number.
Degrees Brix and juice pol are reliable indicators for indirect selection of total recoverable sugar.
The study provides valuable insights for optimizing sugarcane breeding strategies.