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A dense cluster of fruit bodies growing on a rotting stump. Several studies have shown that the spread of Armillaria root rot in eucalypt forests is associated with infected stumps that remain after an area has been logged. [28] [29] [30] Armillaria luteobubalina can persist on these stumps, using them as a source of food for up to 25 or more ...
Armillaria root rot is a fungal root rot caused by several different members of the genus Armillaria. The symptoms are variable depending on the host infected, ranging from stunted leaves to chlorotic needles and dieback of twigs and branches. However, all infected hosts display symptoms characteristic of being infected by a white rotting ...
Laminated root rot also known as yellow ring rot is caused by the fungal pathogen Phellinus weirii. Laminated root rot is one of the most damaging root disease amongst conifers in northwestern America and true firs , Douglas fir , Mountain hemlock , and Western hemlock are highly susceptible to infection with P. weirii .
Root rot is a condition in which anoxic conditions in the soil or potting media around the roots of a plant cause them to rot. This occurs due to excessive standing water around the roots. [ 1 ] It is found in both indoor and outdoor plants, although it is more common in indoor plants due to overwatering, heavy potting media, or containers with ...
Example of a living stump. A living stump is created when a live tree is cut, burned, eaten, or infected, causing its cambium to die above the root system. Living stumps are generally characterized as having a thin outer layer of living cells that surround a hollow central cavity. [1] Living stumps can survive for several years by
Biological control agents, such as Phlebiopsis gigantea, have been demonstrated as competitive agents to displace Heterobasidion on stumps. [11] Stump removal is a common method to remove inoculum and bait stumps from forests after logging for other Heterobasidion species but is not a common method of control for H. occidentale. [8] [12]
Heart rot fungi, including P. pini, enter trees as mycelium or basidiospores through branch stubs, tree stumps, damaged roots, dead branches, and wounds in general and go on to infect the heartwood of the tree. Fire and cutting operations cause the most common points of entry for the fungus.
Armillaria gallica (synonymous with A. bulbosa and A. lutea) is a species of honey mushroom in the family Physalacriaceae of the order Agaricales.The species is a common and ecologically important wood-decay fungus that can live as a saprobe, or as an opportunistic parasite in weakened tree hosts to cause root or butt rot.