Root rot is a condition found in both indoor and outdoor plants, although more common in indoor plants with poor drainage. As the name states, the roots of the plant rot. Usually, this is a result of overwatering. In houseplants, it is a very common problem, and is slightly less common in outdoor plants. In both indoor and outdoor plants, it is usually lethal and there is no effective treatment.
The excess water makes it very difficult for the roots to get the air that they need, causing them to decay. To avoid root rot, it is best to only water plants when the soil becomes dry, and to put the plant in a well-drained pot. Using a heavy soil, such as one dug up from outdoors can also cause root rot.
Many cases of root rot are caused by members of the water mould genus Phytophthora. Perhaps the most aggressive is P. cinnamomi. Spores from root rot causing agents do contaminate other plants, but the rot cannot take hold unless there is adequate moisture. Spores are not only airborne, but are also carried by insects and other arthropods in the soil.
A plant with root rot will not normally survive, but can often be propagated so it will not be lost completely. Plants with root rot should be removed and destroyed.
Other articles related to "root rot, rot, root":
... Fungal diseases Armillaria root rot Shoestring root rot Armillaria mellea Rhizomorpha subcorticalis Botryosphaeria dieback Botryosphaeria dothidea Fusicoccum aesculi Botrytis leaf ... Chrysomyxa roanensis Clitocybe root rot (mushroom root rot) Armillaria tabescens = Clitocybe tabescens Coryneum leaf spot Seimatosporium rhododendri = Coryneum rhododendri ... Phytophthora lateralis Phytophthora root rot Phytophthora cactorum Phytophthora cinnamomi Phytophthora citricola Powdery mildew Microsphaera vaccinii ...
... = Colletotrichum lagenarium Glomerella lagenarium Belly rot Rhizoctonia solani Thanatephorus cucumeris Black root rot Thielaviopsis basicola Blue mold rot Penicillium spp ... Penicillium digitatum Cephalosporium root and hypocotyl rot, stem streak and dieback Acremonium spp ... Cephalosporium spp Cercospora leaf spot Cercospora citrullina Charcoal rot Vine decline and fruit rot Macrophomina phaseolina Choanephora fruit rot Choanephora ...
... dianthi Alternaria dianthicola Anther smut Ustilago violacea Calyx rot Stemphylium botryosum Pleospora tarda Charcoal rot Macrophomina phaseolina Downy mildew Peronospora dianthicola Fairy-ring leaf spot ... wilt Phialophora cinerescens Phymatotrichum root rot (cotton root rot) Phymatotrichopsis omnivora = Phymatotrichum omnivorum Pythium root rot Pythium spp ... parasitica Rhizoctonia stem rot Rhizoctonia solani Thanatephorus cucumeris Rust Uromyces dianthi Sclerotinia flower rot Sclerotinia sclerotiorum Septoria leaf spot ...
... bunt = stinking smut Tilletia tritici = Tilletia caries Tilletia laevis = Tilletia foetida Common root rot Cochliobolus sativus Bipolaris sorokiniana = Helminthosporium sativum Cottony snow mold ... Ergot Claviceps purpurea Sphacelia segetum Eyespot = foot rot, strawbreaker Tapesia yallundae Ramulispora herpotrichoides = Pseudocercosporella herpotrichoides W-pathotype Tapesia ... False eyespot Gibellina cerealis Flag smut Urocystis agropyri Foot rot = dryland foot rot Fusarium spp Halo spot Pseudoseptoria donacis = Selenophoma donacis Karnal bunt = partial bunt ...
... Colletotrichum gloeosporioides Armillaria root rot (shoestring root rot) Armillaria mellea Rhizomorpha subcorticalis Botrytis petal blight Botrytis cinerea ... azaleae Ovulitis azaleae Pestalotia leaf spot twig blight, and crown rot Pestalotiopsis sydowiana = Pestalotia rhododendri Phomopsis dieback Phomopsis spp Phyllosticta leaf ... parasitica = Phytophthora parasitica Phytophthora root rot and wilt Phytophthora cinnamomi Phytophthora nicotianae var ...
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