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The host of the fungal pathogen, Syringa vulgaris or the common lilac, is an ancient plant with significance in horticultural activities and wild roots in eastern Europe. [4] Its Latin epithet, vulgaris, translates into ‘common’ in English, and was popularized by the pioneer taxonomist Carl von Linné .
This is the epiphyte phase of P. syringae’s life cycle where it will multiply and spread but will not cause a disease. 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 ...
Animal and insect vectors are another way in which fungal, bacterial and viral leaf spot diseases are spread. [2] Rainwater spreads pathogens by transporting infested soil into areas that are disease-free. Infested water can also be spread by way of irrigation or transplanting. Blowing rain can also spread fungi and bacteria. [2]
Wilt itself is the most common symptom, with wilting of the stem and leaves occurring due to the blockage of the xylem vascular tissues and therefore reduced water and nutrient flow. In small plants and seedlings, Verticillium can quickly kill the plant while in larger, more developed plants the severity can vary.
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Lilac witches’-broom (LWB) is a disease of lilacs caused by Candidatus Phytoplasma fraxini. This Phytoplasma was first identified as the causal agent of Ash yellows and has since been attributed to both diseases.
Fungal diseases; Common name: Scientific name: Plants affected: Alternaria leaf spot Alternaria panax: B, D, Fl, P,S Anthracnose Colletotrichum trichellum: H Cercospora leaf spot Cercospora spp. B, S Damping-off Pythium spp. B,Fj,S Gray mold Botrytis cinerea: H Phyllosticta leaf spot Phyllosticta concentrica. Discochora philoprina [teleomorph] H
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 ...