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Fungus gnats are a common pest among houseplants.These small flies tend to go unnoticed at first, slowly building their populations by laying eggs on the soil of our container plants.
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Tomato, tobacco, legumes, cucurbits, sweet potatoes and banana are a few of the most susceptible plants, but it also infects other herbaceous plants. [2] F. oxysporum generally produces symptoms such as wilting, chlorosis , necrosis, premature leaf drop, browning of the vascular system, stunting and damping-off.
Alternaria alternata is a fungus causing leaf spots, rots, and blights on many plant parts, and other diseases. It is an opportunistic [ citation needed ] pathogen on over 380 host species of plant. It can also cause upper respiratory tract infections [ 1 ] and asthma in humans with compromised immunity.
Freezing temperatures make it difficult for plants to get water -- resulting in wilting and death-- while frost damages roots and bitter winds and salt damage make it almost impossible for plants ...
The most common mode of transmitting the blight is by the introduction of asymptomatic plants, or plants treated with fungicide (which can mask the disease) to unaffected areas. [13] Warm and humid conditions facilitate its spread. [14] The fungus does not need a wound to infect a plant, but it does require high humidity or free water. [15]
Pythium. Pythium-induced root rot is a common crop disease. When the organism kills newly emerged or emerging seedlings, it is known as damping off, and is a very common problem in fields and greenhouses. [2]
Sage is one of the few plants that has research to suggest it can actually keep mosquitoes away. One study found that just one pot of sage can give up to 32% protection from some types of mosquitoes.