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Black rot, leaf spot and canker Botryosphaeria obtusa Sphaeropsis malorum [anamorph] Black spot (of Japanese pear) Alternaria alternata. Blister canker Helminthosporium papulosum. Blister disease Coniothecium chomatosporum: Blue mold rot Penicillium spp. Penicillium expansum. Botrytis spur and blossom blight Botrytis cinerea
The leaves are compound with up to 10 pairs of leaflets, which are elliptic about 5–7 centimetres (2.0–2.8 in) long and 2–3 cm (0.79–1.18 in) wide. Its highly ornamental seeds mean it's sometimes referred to as the black pearl tree or velvet-seed tree.
Like many rusts, G. sabinae requires two different hosts to complete its life cycle from year to year. Juniper is the winter host and pear is the summer host. Spores (called aeciospores) are produced from the fungal lantern-shaped growths which protrude from the blisters on the underside of the pear leaf which become airborne and infect junipers.
In southern Germany apple and pear trees have been a part of the landscape for a long time, and are difficult to protect. The decline of apple and pear trees from their landscape can be expensive to replace and could have a negative effect on tourism. In the long-run, fire blight is a very important factor of economy and society. [citation needed]
The black Worcester pear (also known as Parkinson's Warden and the Worcester Black Pear) is a cultivar of the European pear (Pyrus communis), it may have come to the British Isles via the Romans, but also has been used in heraldry and around the city of Worcester. The dark fruit is mainly used for cooking or culinary uses.
Use blogger Laura's leaf template to trace leaves onto cardstock. On the back of the leaves, write a list of things you and your family are grateful for. On the back of the leaves, write a list of ...
Dacryodes edulis is a fruit tree in the family Burseraceae native to Africa.Its various regional names include safou (Republic of the Congo, Democratic Republic of the Congo and Angola), messa, plum (), atanga (Equatorial Guinea and Gabon), ube, elumi/rukuki (), [2] [3] African pear, bush pear, African plum, nsafu, bush butter tree, or butterfruit.
Print/export Download as PDF; Printable version; ... Pages in category "Pear tree diseases" The following 21 pages are in this category, out of 21 total. ...