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Powdery mildew of lilac leaves an opaque-white discoloration on the leaves of S. vulgaris. This process is predominant at the end of the season but can begin to take place during new growth. [ 7 ] Eventually the fungal pathogen contributes to the damaging and early senescing of the infected leaves.
Once it enters the plant through a leaf's stomata or necrotic spots on either leaves or woody tissue then the disease will start. [17] The pathogen will then exploit and grow in intercellular space causing the leaf spots and cankers. P. syringae can also survive in temperatures slightly below freezing. These below freezing temperatures increase ...
Syringa × laciniata, the cut-leaf lilac or cutleaf lilac, is a hybrid lilac of unknown, though old origin. It is thought to be a hybrid between Syringa vulgaris from southeastern Europe and Syringa protolaciniata from western China . [ 1 ]
The Hungarian lilac belongs to the genus Syringa, which is distributed across Eurasia, with its centre of diversity in East Asia.The Hungarian lilac is one of only two species of the genus in Europe, the other being the common lilac (Syringa vulgaris) with a more southerly distribution on the Balkan Peninsula and the southern part of the Carpathians.
Candidatus Phytoplasma fraxini is a species of phytoplasma, a specialized group of bacteria which lack a cell wall and attack the phloem of plants. [1] This phytoplasma causes the diseases ash yellows and lilac witches' broom.
Fungal diseases; Common name: Scientific name: Plants affected: Alternaria leaf spot Alternaria alternata: C Fusarium root rot Fusarium oxysporum: C Helminthosporium leaf spot Bipolaris setariae Cochliobolus setariae [teleomorph] C, M
Lilac bushes can be prone to powdery mildew disease. Lilac wood is not commonly used or commercially harvested due to the small size of the tree. [ 21 ] It is a relatively hard wood, with an estimated Janka hardness of 2,350 lbf (10,440 N), and is reportedly good for woodturning [ 21 ] The sapwood is typically cream-coloured and the heartwood ...
Download as PDF; Printable version; In other projects ... move to sidebar hide. Help. Pages in category "Leaf diseases" The following 33 pages are in this category ...