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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 ...
Canker-induced gummosis on a Tibetan cherry. Gummosis is the formation of patches of a gummy substance on the surface of certain plants, particularly fruit trees. [1] This occurs when sap oozes from wounds or cankers as a reaction to outside stimuli such as adverse weather conditions, infections, insect problems, or mechanical damage.
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 .
Butt rot is a disease of plants, mostly trees, caused by fungi. The fungus attacks the moist, poorly protected undersurface of tree trunk's thickest part (the "butt" above the root, as opposed to "top"), where the end of the stem makes contact with the soil. It may affect the roots as well, causing a disease known as root rot. It then moves up ...
Phytophthora crown and root rot (sprinkler rot) Phytophthora cactorum. Pink mold rot Trichothecium roseum = Cephalothecium roseum. Powdery mildew Podosphaera leucotricha. Pythium dieback Pythium spp. Rhizopus rot Rhizopus stolonifer. Rust, American hawthorne Gymnosporangium globosum. Rust, Kern's pear Gymnosporangium kernianum. Rust, Pacific ...
Leaf spots can vary in size, shape, and color depending on the age and type of the cause or pathogen. Plants, shrubs and trees are weakened by the spots on the leaves as they reduce available foliar space for photosynthesis. Other forms of leaf spot diseases include leaf rust, downy mildew and blights. [4]
Feb. 25—A homeless man was arrested on suspicion of stealing dozens of cherry tree bare roots from a property in south Lodi last week. The San Joaquin County Sheriff's Office announced on ...
Brown rot on apple. Fruit rot appears as small, circular brown spots that increase rapidly in size causing the entire fruit to rot. Greyish spores appear in tufts on rotted areas. [4] Infected fruit eventually turn into shrivelled, black mummies that may drop or remain attached to the tree through the winter.