Debris can harbor pathogens that quickly become the source of inoculum for healthy plants. Some other barriers are available – weed cloth or plastic – but concrete is a good, long-term investment.Īvoid accumulation of any plant debris or weeds inside and outside the greenhouse. An effective practice is to have concrete or gravel floors. The greenhouse floor can harbor pathogens and therefore exposed soil must be avoided. Sanitation is important year round, but prior to the beginning of a new season when the greenhouse is empty, a new opportunity to improve greenhouse sanitation awaits you. Consistent and effective sanitation leads to healthy plants. Michigan State University Extension recommends training your employees on practices that can reduce pathogen inoculum, or “seeds” of the pathogen. Sanitation is critical to prevent plant diseases in the greenhouse and the field. Sanitation refers to any practice that aims to prevent the spread of pathogens by removing diseased and asymptomatic infected tissue (not showing symptoms but in close proximity with diseased plants), as well as decontaminating tools, equipment and washing hands. Sanitation is one of many tactics needed for an effective disease management strategy.
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