Native to deserts and arid regions , succulents have plump , heavy stems and leaves that entertain water , which aid convey the industrial plant through times of drouth . All types of cactus are succulent , but not all succulents are cacti . Succulents are not put out by many pests or disease , although due to their water - retaining nature , they are susceptible to fungous disease make for on by too moist growing conditions or overwatering .
Bacterial Soft Rot
Bacterial soft rot is most often because of the pathogen Erwinia . symptom include the flop of root and branches and the national flora tissue paper becoming cushy and mushy . It is also sometimes refer to as " damping off disease " and most often affects small seedlings started indoors under lights . There is no cure , and bear on plants should be toss . Prevent this fungal disease by not overwatering plants and providing them with adequate gentle wind circulation .
Powdery Mildew
because of the bacteria Sphaerotheca , powdery mildew affects almost every type of herbaceous works , as well as shrub and trees . symptom of powdery mold on succulent let in scabby or corky arena on leave of absence , rather than the white powder seen on herbaceous plants and tree . Treat powdery mold by applying thiophanate methyl radical or triadimefon .
Black or Sooty Mold
Black or pitchy mould is a fungous contagion often seen on plant that are also infected with pests such as whitefly or mealybug . The honeydew or ambrosia produced by the pestilence attracts and feeds the fungus . Although it is not unremarkably harmful to tidy succulents , pitch-black or jet mold will most often attack weakened or damaged plant . It is also more probable to taint succulent growing in excessively smashed soil conditions .
Diseases Of Succulents
succulent can become the victim of viral infections . Most viruses are diffuse to succulents through worm feeding on the sap . verify insects is a big part of controlling the cattle farm of viruses , as is keeping ingraft knives disinfected . Nothing can be done once a succulent get a virus ; the flora must be toss out . To reduce alkalinity , citric or acetic acid — vinegar — can be added , but potassium dihydrogen phosphate adds acid and mineral as well . Saddleback College name iron defiency as being one of the more coarse deficiency in succulents , causing them to turn yellow . These conditions include over - watering , etiolation , evaporation , burn and pot - ricochet roots . It causes splitting and sometimes waste . Under - lachrymation your succulent can result in evaporation or drying up .
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