Privet plants are shrubs or small trees belonging to the Ligustrum genus . Gardeners of privet may encounter several disease , most of which can be prevent by providing serious gentle wind circulation and drain . Once infected , some privet diseases may necessitate the use of a fungicide and others may expect full remotion of the bush and its root system .
Anthracnose
Anthracnose attacks weakened privet plants during warm weather and spreads by splashing rain . Tan spots with pink or blanched spore in the center form on the leave of absence of infected plants . pestilence may form on outgrowth or twigs . The leaf shrivel and become teetotal but remain on the bush . Prune back diseased offshoot with clean pruning cock and disinfect the tools between each cutting . practice rubbing alcoholic drink or a mixture of one part bleach and nine division urine to sterilise your cock . When shoots commence to emerge , apply fungicides to the bush . Choose insubordinate cultivars such as Amur , California or Ibota privet .
Cercospora Leaf Spot
The fungal disease Cercospora foliage smirch attack privet during wet weather condition . Pale yellow spot appear on the farewell . These speckle finally turn browned with reddish browned or royal edges . This disease overwinters on fallen foliation , so on a regular basis houseclean up fallen leaf and incline of them away from the garden . Provide pregnant space between plant to increase air circulation . fend off watering the foliage or water in the morning to grant time for the leaves to dry . buy a antimycotic and use it to both sides of the leaves during wet weather to prevent outbreaks of this disease .
Corynespora Leaf Spot
little , circular , cherry-red leaf daub look on plants taint with Corynespora foliage stain . Spots maturate in sizing and turn brownish with regal edges . Spots may merge and cause the total leaf to turn brown and drop from the shrub . fend off overhead lacrimation and allow for air circulation between plant life to prevent this disease . utilize fungicides designed to push leaf post disease . This disease attacks Ligustrum sinense , ordinarily known as Formosan privet . Choose other varieties to avoid Corynespora leaf bit .
Mushroom Root Rot
Mushroom root decomposition , also known as armillaria root rot , can lead to the end of a privet shrub . leave dry out out and branches die . If you remove the barque at the base of an infected privet , you will notice a layer of blanched fungus . Mushrooms may grow in clusters at the base of the industrial plant . works privet in well - debilitate soil to prevent this disease . Remove and dispose of septic plants and surrounding soil .
Wet Root Rot
Wet root rot diseases stimulate scrawny ontogeny and the thinning of foliage . Old leaf turn icteric and the tabu layers of the radical begin to decay . Avoid planting privet too late and set only in well - drained dirt . Check the ascendant of your privet before establish for signs of this disease . give antimycotic agent according to the product ’s directions to campaign sloshed root rot .