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Speaking of plants, gnats are generally attracted to houseplants, as well as moisture, sweet-smelling fruit, and garbage. So while indoor plants are a great way to liven up your space, they can ...
Fungus gnats tend to breed in overwatered plants and flooded soils, like houseplants, gardens, and flower beds. These gnats are attracted to the fermented smell of decomposing fruits, flowers, and ...
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Most fungus gnats are weak fliers, and can often be seen walking rapidly over plants and soil, rather than flying. However, when airborne, the gnats may be quite annoying to humans by flying into their faces, eyes, and noses, both indoors and outdoors. [4] [5] These flies are sometimes confused with drain flies. [6]
Effective resistance in the plant host is generally not available. Sanitation is very important since the pathogen can be easily introduced into pasteurized soil or even soil-free potting mixes on dirty tools or pots. Especially in greenhouses, fungus gnats may also help move the pathogen from place to place.
However, in hydroponic systems inside greenhouses, where extensive monocultures of plants are maintained in plant nutrient solution (containing nitrogen, potassium, phosphate, and micronutrients) that is continuously recirculated to the crop, Pythium spp. cause extensive and devastating root rot and is often difficult to prevent or control.