Camellias are of dandy time value in the garden . They beautify gardens with their thick greenish , glossy leaf and reset the winter and early fountain landscape painting with their colourful flowers . ordinarily well-fixed to care for , camellias are sometimes prone to fungous diseases which weaken their wellness and beauty . Camellia japonica , the winter- and leap - bloom species , is prone to one of the unsound fungal infection , phytophthora root rot .
Description
Phytophthora cinnamomi , commonly called etymon putrefaction , is a fungus that lives in soil and infects many plants , including camellia , dogwood and rhododendron . The fungus enters injure radical and quickly spreads throughout the root organisation to the base of the tree trunk .
Symptoms
Camellias affected by root rot will show decreased dynamism , follow by yellow leaves ( chlorosis ) , withering and branch dieback . Affected camellias can fail in a time of year or struggle for a few years before dying .
Causes
Phytophthora cinnamomi move into camellia through injure root tissue . Plant ancestor can be injured by jab around the home of the Sir Herbert Beerbohm Tree or by careless mowing . String trimmer often wound trunk bases , where the fungus can also enter . genus Phytophthora cinnamomi expand in wet grunge with little aeration , so camellias in these positioning are vulnerable .
Treatment
Unfortunately , there is no recommend treatment for genus Phytophthora root waste in the place landscape . Affected camelia should be compass up and all part discarded in the local landfill . If you would care to implant another camelia , select another localization .
Prevention
flora camellias in well - run out filth with good aeration . Never compost affected plants and do n’t salt away body and branches for firewood . Avoid propel stirred soil to other part of the garden . Do n’t transfer a camelia , which injures roots , unless dead necessary . Spray shovels and cutting pecker after each function with disinfectant spray to prevent the spread of the disease .
Plant Selection
Camellia sasanqua , the fall - blooming metal money , is resistant to genus Phytophthora and can be planted or else . If available , opt camellia japonica plants that are grafted onto camellia sasanqua rootstock for better succeeder . Always purchase vigorous , levelheaded plants from a reputable nursery that stock levelheaded , well - cared - for plants .
References
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