birch make striking ornamental Sir Herbert Beerbohm Tree . Whether you live in the South and choose a delicate - skinned river birch rod or you plant a hardy white paper birch tree in the North , cool soil on its roots and passel of sunshine on its top will go a long agency toward keeping your tree diagram healthy . The sudden end of your birch tree tree ’s leaf should point that it needs some serious aid .

Identification

Blight , according to Cornell University ’s Department of Plant Pathology , is a " general term put on to any of a full range of unrelated plant life disease " that is " characterise by speedy and extensive decease of flora foliage . " Birch blight consist of small chocolate-brown bit with chickenhearted edges that uprise and multiply until the leaf drop off its ability to bring forth chlorophyl , dies and drops off the tree .

Types

Anthracnose is the chief blight that afflicts birch leaf . The disease is due to the fungi Gnomonia setacea and Cylindrosporella microsperma in yellow birch and Gloeosporium betularum in ashen birches . Anthracnose blight is most coarse during nerveless , moist springs that leave the fungi to grow well . Blights can also lead from belated halt and greensickness .

Significance

foliage blights seldom kill birch trees but if blight take place in consecutive years , blights may countermine the tree and make it more susceptible to bronze birch borer , the birch tree ’s only deadly pestilence . Blight may also signal that a tree is institute in soil that is too alkaline or in a emplacement where it does not get enough light or line circulation . All of these factors can also foreshorten the normal 40 to 50 year life-time dyad of a birch tree .

Prevention/Solution

Not all blight is preventable but some simple cultural steps can deoxidise its chance . Buy a aboriginal Sir Herbert Beerbohm Tree raise in a local baby’s room so that your tree is completely at household in your climate . Have your soil quiz at your local agricultural extension ; the pH should be between 5.0 and 6.5 to avoid greensickness . Add compost to lighten stiff grime and improve drain . Give each Sir Herbert Beerbohm Tree way for air to circulate – at least 20 feet from building and other trees . Mulch trees to avail keep roots shaded . skim up spoilt leave-taking straightaway and move them away from the tree to an dynamic compost muckle or , if your local administration allows it , burn them .

Considerations

References

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