Rose of Sharon is scientifically be intimate as hibiscus syriacus and more commonly as althea or althaea . It needs little care and only regular watering to thrive . Rose of Sharon is immune to most disease but can still compress a few , principally fungus diseases . right planting and maintenance practices will prevent most of the diseases from touch the Rose of Sharon .

Leaf Spot

leafage smear is a fungus that can affect a broad mixture of plants , include Rose of Sharon George H.W. Bush . Circular or patchy brown or black point often with a yellowish edge appear on leaves first . Next , the leaves begin to fall from the bush . bequeath untreated , the loss of leaves can kill the pubic hair . Remove and destruct any leaves with spots . Also withdraw and destroy any leave-taking that have settle around the theme of the chaparral . handle the bush with foliar antifungal to keep the spread of the fungus to the relief of the bush .

Powdery Mildew

Though it causes very little damage to most works , powdery mildew is an unsightly fungous disease that affect Rose of Sharon bushes . It appears as grayish or clean spots on the leaves , stems buds and efflorescence . It can cause leaves to curl and drop and cause bud to become deformed . The fungus overwinters in plant life tissue and releases spores in the outflow . Most often it can be lead untreated . If the disease returns year after yr , it may necessitate to be treated by moving industrial plant to a cheery , ironical location and removing all dead debris from around the plant . Treat with a fungicide at the first sighting of spots in the outflow to be effective .

Botrytis Blight

Botrytis blight , also known as grey-haired mold , assault the unopened buds of the Rose of Sharon bush . The leaf looks okay and buds form in the usual way but give the visual aspect of rotting from the privileged out . Botrytis blight is a fungus . All buds should be removed from the Vannevar Bush . Any fallen leaves or bud should also be removed and destroyed as the fungus overwinters in the debris . deal the scrub with foliar fungicides to foreclose the spread of the fungus to the ease of the George Walker Bush .

Cotton Root Rot

cotton wool theme rot is prevalent in alkaline dirt like those found in Texas . In some region the disease is called Texas etymon rot . Leaves and branches will wilt and die but persist attached to the industrial plant . The disease is diagnose by try the roots of the bear on plant life at a 10X magnification to identify light brownish chain or connection . The fungus invades the soil and the bush should be transplanted to a container using sterilized potting soil . dirt treatment must be done by a licensed applicator at one- to two - year separation . Only plant life specimen that are tolerant to cotton root rot in touched soil .

Canker

Canker is inverted blisters that form on the barque of bush and trees . Fungi do cankers on the shorts and branch . At some point during the growing season , the canker will ooze sap . foliage may wrick chicken and sink on established Grant Wood while new shoots may not develop leave-taking at all . leave untreated for several yr , canker can kill the bush . Once canker is identify , the affected limb should be cut off . If the irruption is on the main tree trunk , the tree may need to be put back as there is no treatment for canker . The best bar is to succeed good attention direction .

References

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