Linden tree diagram ( Tilia spp . ) are a genus of about 30 deciduous anthesis tree diagram that turn in temperate region in North America , Asia and Europe . These Sir Herbert Beerbohm Tree have a pyramidal or ovate - work crown , are often used as ornamental shade tree diagram and can often last for hundreds of years .
Linden trees can be affect by a bit of systemic and leaf disease , some of which are more serious than others . get laid the symptoms of linden tree disease can serve you make up one’s mind how to approach them .
Types of Linden Trees
Several varieties of linden trees grow in the United States , including the aboriginal American linden ( Tilia americana ) , which acquire in central and eastern North America to tallness between 50 and 80 foot . The littleleaf linden ( Tilia cordata ) , a species native to Europe , can grow to between 50 and 70 feet . The silver linden ( Tilia tometosa ) is native to southerly Europe and Asia Minor and can develop to meridian similar to the littleleaf linden .
Diseases of Linden Trees
Verticillium Wilt
allot to theMissouri Botanical Garden , verticillium wilt , a uncommon but serious disease in linden trees , is get by fungi and is always calamitous .
One of the first symptom of this disease , according to theWisconsin Horticulture Division of Extension , is dieback of single branches . This disease may also induce the leaves on your linden tree to wave — though that may also be due to aphids or other diseases as well .
tree infect with verticillium wilt can not be saved , but their life can be extended with right tearing and fertilization . Verticillium wilt disease can be spread on your pruning shears and other gardening peter , so it is of import to disinfect them with 70 per centum alcohol after and before each use .
Nectria Dieback (Nectria cinnabarina)
Other fungous diseases of linden trees , according to theMissouri Botanical Garden , include Nectria dieback , which is due to the fungusNectria cinnabarina , which can enroll a tree through wounds and cause branch and twigs to conk back .
Fruiting structures , which are bumps that may be a creamy white or coral color , often appear on the affected branch .
Canke (Botryosphaeria obtusa)
Canker of linden Tree , which may be triggered by the fungusBotryosphaeria obtusa , can top to dead offset in the canopy and black , sunken area on other branches . Linden tree diagram arm that become infected by canker - cause fungus kingdom may not make leaves .
To control dieback and canker , prune out feign branches . It is best to snip in belated wintertime during a ironic spell , as the kingdom Fungi that cause disease boom in moist weather .
Tip
legion diseases of the linden tree can be spread to other plant through pruning shear , so be sure to disinfect your shears with 70 per centum intoxicant before and after each usage !
Linden Tree Leaf Diseases
Linden Leaf Blotch
Among the leaf disease that affect linden Tree is a condition bang as linden leaf blotch , which , harmonize to theSouth Dakota State University Extension , can cause untimely defoliation . This stipulation first manifest in late summertime as small flecks that get larger with time .
Distinctive features of this disease are the feathery margins of the lesions , which may have a yellowish aureole . A severely infect linden tree may turn a loss all its leaf in early fall , says theUniversity of Minnesota Extension .
Remove infected linden tree leaves to prevent the disease from emerging again the undermentioned twelvemonth .
Powdery Mildew
Linden tree diagram can also develop a fungous foliage disease have intercourse as powdery mildew , explains theMissouri Botanical Garden . This disease manifests as a powdery white means on leaves .
While unsightly , powdery mildew does not affect the overall health of the Sir Herbert Beerbohm Tree . transfer sham foliation as shortly as it devolve , and do not use infect linden tree go away as mulch or for compost .
