Innovative System for Disinfection in Greenhouses

Dear Colleagues,

Known and new pathogens continue to pose a challenge to economically and ecologically intensive crop production. Technical processes such as electrolytic water disinfection have been scaled up and introduced into practice. However, one challenge is still posed by undesirable disinfection byproducts.

It is well known that proper attention to greenhouse sanitation is essential to reduce disease and pest outbreaks. Pathogen propagules are easily introduced and dispersed through irrigation, soil and soilless media, plantlets, and tools such as growing containers, trays, and metal pruning equipment. In addition, employees and visitors can introduce pathogens from surrounding areas if they harbor a reservoir of pests and pathogens. A variety of disinfection technologies comprising physical, chemical, and ecological techniques is available on the market. According to the diversity of production conditions and beyond the general requirements of sustainability, environmental compatibility and product safety, the gardener has to choose the technique that fits best for their specific application. For instance, water disinfection is required in hydroponics, aquaponics, and in pre- and postharvest practices of the fresh produce chain, as well as whenever run-off, reused or surface water potentially contaminated with plant or human pathogens is used.

Disinfection in the greenhouse is an essential part of plant protection management. It includes seed disinfection as well as disinfection of soil, water, recirculating nutrient solution, and surface. What is our current state of knowledge? Which technologies and processes have been tested, introduced, or established in horticultural practice? What are their advantages and limitations?

Based on your expertise, I believe that you could make a valuable contribution to this Special Issue with a suited topic within the wide field of related subjects. I am aware that this is a huge topic, with various technical approaches, different pests, diverse production conditions and crops, and different legal frameworks in individual countries. Let us take up the challenge together.

Dr. Bandte Martina
Guest Editor

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• water treatment
• seed treatment
• surface disinfection
• soil biosolarization
• disinfection byproducts
• hydroponics
• aquaponics
• wash water