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Plant senescence is the process of aging in plants. Plants have both stress-induced and age-related developmental aging. [1] Chlorophyll degradation during leaf senescence reveals the carotenoids, such as anthocyanin and xanthophylls, which are the cause of autumn leaf color in deciduous trees. Leaf senescence has the important function of ...
Birch dieback is a disease of birch trees that causes the branches in the crown to die off. The disease may eventually kill the tree. In an event in the Eastern United States and Canada in the 1930s and 1940s, no causal agent was found, but the wood-boring beetle, the bronze birch borer, was implicated in the severe damage and death of the tree that often followed.
For best results, repot your plants in spring and choose a well-draining pot that’s just one or two sizes larger than the pot your plant is growing in. If the peace lily’s roots are tangled in ...
Lethal yellowing (LY) is a phytoplasma disease that attacks many species of palms, including some commercially important species, such as the coconut and date palm.In the Caribbean, it is spread by the planthopper Haplaxius crudus (former name Myndus crudus) which is native to Florida, parts of the Caribbean, parts of Australia and Central America. [1]
Columnist Bill Lamont noticed that some of his trees looked like October foliage in August.
Patrick George, the founder of Heartwood Tree Service in Charlotte, said that between fall and late spring can be a tricky time to tell if a tree is ready for removal. Various species react to ...
Oak wilt is a devastating exotic disease, killing some trees rapidly in a single season. [7] Oak wilt is an important disease in urban areas where trees are highly valued. . The disease reduces property values because of the loss of trees and is economically costly to the property owner since they or the local government must pay for tree remo
The spores from Diplodia sapinea fungus typically first develop on the structures that will eventually develop on the “black fruiting structures that form on needles, fascicle sheaths, scales of second year seed cones, and bark” [6] During the wet/rainy season, (depending on the location, could be from early spring until late fall) where the wet weather and wind can allow the spores to ...