Beech tree ( Fagus species ) are desirable for their smooth , greyish bark , large size and attractive shapes . Some varieties , like the Nipponese beech , flourish in full shade ; while others , like the weeping European beech , prefer full sunshine . The American beech , as its name implies , is native to the United States and is popular with home gardeners who want a stout , long - live shade Sir Herbert Beerbohm Tree . Beech trees can suffer from several minor diseases and one serious , spirit - threatening disease .
Beech Bark Disease
Beech bark disease induce significant amounts of beech tree to kick the bucket each yr , according to David R. Houston and James T. O’Brien , plant diagnostician with the United States Department of Agriculture . The disease is stimulate by the fungus Nectria coccinea , which is carried on the torso of beech exfoliation , a small , take in insect . Beech scale of measurement tunnel through the barque of the tree to suck out the sap . The fungus enters the sap Mrs. Henry Wood of the tree , where it can dwell dormant for as foresighted as two decades .
As the fungus invades and colonizes the Sir Herbert Beerbohm Tree , small section of the trunk start to die . As the disease progress , new spring leave of absence do not produce fully . They may not open , or they may open and turn yellow . Some may fall prematurely from the Sir Herbert Beerbohm Tree . In prison term , the woodwind becomes so infected and sabotage that the tree will tear and fall to the reason . This may find in stages , or all at once .
There is no therapeutic for beech bark disease once it has intrude on a tree , but insect powder can moderate and foreclose the scale louse that channel the fungus from feasting on the sap of beech trees .
Bleeding Canker
bleed canker is a disease that causes untempting cracked surface area of wood to develop on beech tree diagram , which often ooze a thick , gooey , chocolate-brown liquid . These beat arena of wood can sometimes completely encircle a branch of the tree , get the menstruation of nutrients to be cut off , and the branchlet to die from the tips inward . This is called " dieback " and can also occur from the crown downward if the trunk is deaden . The latter is very rarefied , however .
The fungus Phytophthora cactorum causes the field of Ellen Price Wood to die . This fungus is carried on the trunk of sucking louse , such as aphids and scale leaf . The fungus can also come in a tree through a wounding triggered by gardening dick . Branches with cankers should be pruned off below the canker to foreclose the disease from spreading . Bleeding canker can not be controlled or bring around with chemical substance sprays .
Leaf Spot
Leaf spot is because of numerous type of kingdom Fungi that are spread on weewee . Exceptionally crocked springtime weather can add to the rise of this disease . Windblown rain can transfer the disease from one tree to another . While folio spot is unattractive , it is not animation - threatening for the beech tree diagram .
Symptoms appear as tiny spots on the leafage , which can rove in color from orangeness to smutty , depending on the particular fungus . In some cases , the spot have a imperial or white nimbus . In others , the spots have a greasy appearance . The spots may merge to cover the leaf , cause it to become malformed or drop from the tree . Or , the spots may fall out of the foliage , making it appear as if the leaf with shot through by a gun .
The fungi that have leaf dapple can also affect the flower of the flowers , causing them to turn brownish and wilt . These fungi can be controlled with a taxonomic lotion of antimycotic in early spring and fall .
