The lilac in your home plate garden , prized for their pleasant fragrance and calming colour , are under a significant menace by fungous pathogens that cause root rot disease . No matter how young or established your lilacs are , they are still susceptible . Get to love the fungi that often aggress lilac and how to deal with them should infection occur for the good continuation of a healthy landscape painting .

Care

Well deal for , vigorous lilac plant have a greater potential for resist or recovering from fungous infections compared to stressed plant life . Grow your lilacs in locations that offer full sun exposure for most successful exploitation and flowering , according to the University of Illinois Extension . Lilacs thrive in well - drained soil and do best when snip just after they bloom .

Identification

Lilac plants ( Syringa species ) are primarily attack by the ancestor molder fungal diseases Armillaria , Rhizoctonia and Phytophthora , fit in to the Oregon State University Extension . Fungi have an affinity for waterlogged soil as well as cool , dampish conditions . Whether your plant is in a container or growing in your habitation landscape , they are equally vulnerable to infection .

Effects

origin rot fungi in the main inhabit soil and spread sporadically on wind and rainfall , entering lilacs through their roots and causing radioactive decay in the lowermost parts , finally detrimental to the integral plant . Root rot results in leaves that fade and die , the dieback of branches , and cap discoloration to a red / brown hue , according to the Oregon State University Extension . Rotting roots and the base of the main stem often darken in colouring and become soft . When antecedent systems are gravely injured , lilac can no longer occupy the food and water they need ; plant get severe decline and look plant demise .

Considerations

Since lilac are highly susceptible to steady down rot diseases , do not constitute them in previously infected grunge . If you must remove a lilac that has die , do not replant a young lilac as contagion will likely go on . Look for resistant plant , alternatively . For example , barberries , Japanese maple , bush acacias and Taiwanese wisteria are all known for their electric resistance to armillaria root rot , accord to the Washington State University Cooperative Extension . Contact your local county annexe broker for an idea of root moulder immune plants special to your part .

Control

Chemical controls can not cure a root rot problem once it has hap , but soil fumigants may provide assistance in alleviate the counterpane of pathogens . Contact a licensed professional as these chemicals are not appropriate for home software , consort to the Washington State University Cooperative Extension .

rude mastery method let in maintaining exceedingly well - drained stain , as stand H2O make an ideal environment for fungi germination ; remove and destroying touched flora parts ; sanitizing pruning shears after each gash , and when begin body of work on another plant , to stamp down disease transfer .

References

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