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Related Experiment Video

Updated: Jul 13, 2026

Development of Metarhizium anisopliae as a Mycoinsecticide: From Isolation to Field Performance

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Published on: July 30, 2017

Design and evaluation of a grapevine pruner for biofungicide application.

M A Ho¹, L M Squire, N C Sabeh

¹Department of Biological and Agricultural Engineering, University of California at Davis, One Shields Avenue, Davis, CA 95616, USA.

Bioresource Technology

|January 4, 2005

Summary

A modified pruning shear effectively applies Fusarium lateritium to prevent Eutypa lata infection in grapevines. This biological control method offers a promising alternative for grapevine disease management.

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Area of Science:

Plant Pathology
Agricultural Engineering
Biological Control

Background:

Eutypella lata poses a significant threat to grapevines, with limited control options.
Fusarium lateritium is a biological control agent effective against Eutypella lata when applied to pruning wounds.

Purpose of the Study:

To develop and evaluate a novel application method for Fusarium lateritium using a modified pruning shear.
To assess the efficacy of this method in preventing Eutypella lata infection in grapevines.

Main Methods:

A commercial pruning shear was modified to dispense an invert emulsion formulation of Fusarium lateritium.
The modified pruner's wound coverage capability was tested.
The biological efficacy of the formulated agent applied via the pruner was evaluated on pruned grapevine canes.

Main Results:

The modified pruning shear successfully applied the Fusarium lateritium emulsion to grapevine pruning wounds.
Addition of grooves to the pruning blade significantly enhanced wound coverage.
Application of formulated Fusarium lateritium using the modified pruner demonstrated comparable efficacy to direct pipetting.

Conclusions:

A modified pruning shear provides an effective means for simultaneous application of Fusarium lateritium during grapevine pruning.
This integrated approach offers a practical and efficient strategy for biological control of Eutypella lata in vineyards.