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Wood decay caused by Serpula lacrymans (called true dry rot, a type of brown-rot). Fomes fomentarius is a stem decay plant pathogen Dry rot and water damage. A wood-decay or xylophagous fungus is any species of fungus that digests moist wood, causing it to rot.
Wood affected by woodworm. Signs of woodworm usually consist of holes in the wooden item, with live infestations showing powder (faeces), known as frass, around the holes.. The size of the holes varies, but they are typically 1 to 1.5 millimetres (5 ⁄ 128 to 1 ⁄ 16 in) in diameter for the most common household species, although they can be much larger in the case of the house longhorn beet
Agrotis ipsilon, the dark sword-grass, ipsilon dart, black cutworm, greasy cutworm or floodplain cutworm, is a small noctuid moth found worldwide. [2] The moth gets its scientific name from black markings on its forewings shaped like the letter "Y" or the Greek letter upsilon . [ 3 ]
Affected leaves fall prior to healthy ones and plants may be defoliated in serious infections. Anthracnose Sphaceloma rosarum on Rosa rugosa. Anthracnose Sphaceloma rosarum – Spots caused by this fungus originate from a point where leaves are water soaked, usually unnoticeable at first, until they turn black with a very distinct defined edge ...
The leaves, seeds, and flowers are poisonous, containing cardiac or other steroid glycosides. These cause irregular heartbeat, general digestive upset, and confusion; can be fatal. [citation needed] Dioscorea communis: black bryony Dioscoreaceae
Necrotic ring spot is a common disease of turf caused by soil borne fungi (Ophiosphaerella korrae) that mainly infects roots (4).It is an important disease as it destroys the appearance of turfgrasses on park, playing fields and golf courses.
The symptoms of Drechslera leaf spot are mostly small, dark-brown, or purplish spots on the leaves. [1] The spots eventually expand and become lighter-brown or ashy in the middle (usually having dark margins around the center). Once the spots run together, girdling of the entire leaf blade occurs.
Many flower-dwelling species bring benefits as pollinators, with some predatory thrips feeding on small insects or mites. In the right conditions, such as in greenhouses, invasive species can exponentially increase in population size and form large swarms because of a lack of natural predators coupled with their ability to reproduce asexually ...
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