genus Viburnum plant life are susceptible to an raiment of fungal infections that cause disease and severely damage the plant . Familiarize yourself with the infections and dominance for surefire identification and direction of any job that arise . Maintain your plants through proper care for vigorous viburnums that are ready to fight and advance .
Description
genus Viburnum include more than 150 deciduous and evergreen mintage that produce to heights ranging from 2 to 30 feet , according to the Clemson University Extension . Prized for the redolent blossoms and coloured fall foliage , this plant make an wallop in the garden . The display of yield in orangeness , reds , garden pink , blues , blacks and yellows add butterfly stroke to your garden . Protect these plants from common disease to prevent cosmetic trauma to your garden .
Proper Care
Vigorous plants are more likely to reject or heal from disease than weakened genus Viburnum . Grow your viburnum in an arena with the correct idle pic . Most viburnums are Lord’s Day - devotee , but some choose shade . Viburnums prosper in moist , acidic soil with a pH of 5.5 . to 6.5 , and soils that are rich in , constitutional content , according to the Clemson University Extension .
Types
Most diseases that affect viburnums are fungal in nature . fungous leafage spot , have by fungi of the Cercospora mintage , Phoma species and Phyllosticta species , leave in foliage damage . fungous leaf spot expand in warm , humid summertime stipulation . Powdery mold causes infection due to the fungus Erysiphe sparsa , with a special orientation for quick daytime temperatures , coolheaded nighttime temperatures and gamey moisture content ; these conditions promote fungal germination . Powdery mould infects young leaf development as well as young shoots , according to the Clemson University Extension .
Effects
fungous folio spot disease of viburnums answer in the bearing of unnatural spots on leaf surface in reddish to hoar - dark-brown that expand and form larger splodge . Leaf tissue paper within the spot dries out . The problem may diminish health and stimulate enhancive scathe , but does not normally cause severe injury . Powdery mildew disease on genus Viburnum works produces a white to gray increment of fungus that resembles powder on foliation surface , agree to the Clemson University Extension . uttermost type result in malformed leaves .
Control
To master viburnum leaf spot , keep leaves dry by irrigate at the base of the plant life . Moist leave offer an ideal environment for the proliferation of fungi . hold a antimycotic with the active ingredient chlorothalonil or mancozeb as presently as you notice a job ; hold once every two weeks until the problem ameliorate . For powdery mildew control , regard planting a insubordinate variety like Viburnum burkwoodii Mohawk , advise the Clemson University Extension . Additionally , the program of horticultural rock oil or a fungicide with the participating ingredient triadimefon offers efficient control . For both diseases , remove and put down septic plant parts to decrease infection severity . Sanitize pruning tools after each switch off and from one works to the to next to keep the bed covering of fungous pathogens .
References
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