Oona Jääskeläinen, Eeva Marttinen, Minna Haapalainen

Porkkanan varastotautien biologinen torjunta Clonostachys rosea -sienen avulla

Introduction

Porkkanan varastotautien biologinen torjunta clonostachys rosea -sienen avulla. Tutkimus Helsingin yliopistosta tarkastelee porkkanan varastotautien biologista torjuntaa Clonostachys rosea -sienellä. Bioaine vähentää tehokkaasti varastotauteja.

Abstract

Oona Jääskeläinen tarkasteli Helsingin yliopistossa tekemässään maisterintutkielmassa porkkanan varastotautien torjuntaa biologisin menetelmin. Tutkimuksessa havaittiin Clonostachys rosea -sientä sisältävän biologisen kasvinsuojeluaineen ruiskutuksen voivan vähentää porkkanan varastotauteja.

Review

This Master's thesis by Oona Jääskeläinen investigates a crucial area of post-harvest pathology: the biological control of carrot storage diseases. Given the significant economic losses incurred by spoilage during storage and the increasing demand for sustainable agricultural practices, exploring alternatives to conventional chemical fungicides is highly pertinent. The study specifically focuses on the application of the fungus *Clonostachys rosea* as a biological plant protection agent, a microorganism recognized for its mycoparasitic and antagonistic properties against various plant pathogens. This work addresses a vital need for eco-friendly solutions to maintain the quality and shelf-life of horticultural produce. The research's core finding is that spraying a biological plant protection product containing *Clonostachys rosea* has the potential to reduce carrot storage diseases. While the abstract does not delve into specific methodologies, experimental design, or the magnitude of reduction, this outcome represents a promising preliminary result. Identifying a viable biological agent like *C. rosea* for a specific crop and disease complex is a critical first step in developing effective biopesticides. The indication of disease reduction suggests a positive interaction, paving the way for further detailed investigations into the mechanisms of action, optimal application timings, and dosage. As a foundational Master's thesis, this work provides a valuable initial contribution to the field of biological control in carrots. Future research should focus on validating these findings through more extensive field trials, evaluating the efficacy across different carrot varieties and storage conditions, and comparing its performance against existing control methods. Elucidating the precise mechanisms by which *Clonostachys rosea* exerts its protective effects – whether through direct antagonism, induced systemic resistance, or competitive exclusion – would also enhance our understanding. Ultimately, this study underscores the potential of *C. rosea* as a sustainable tool for post-harvest disease management, warranting continued scientific inquiry and development towards practical applications.

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