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The dog rose can be attacked by aphids, leafhoppers, glasshouse red spider mite, scale insects, caterpillars, rose leaf-rolling sawfly, and leaf-cutting bees. [19] When a gall wasp lays eggs into a leaf axillary or terminal bud the plant develops a chemically induced distortion known as rose gall. [2] Buds and leaves may be eaten by rabbits and ...
Diplolepis rosae is a gall wasp which causes a gall known as the rose bedeguar gall, bedeguar gall wasp, Robin's pincushion, mossy rose gall, or simply moss gall. [ 1 ] [ 2 ] The gall develops as a chemically induced distortion of an unopened leaf axillary or terminal bud, mostly on field rose ( Rosa arvensis ) or dog rose ( Rosa canina ) shrubs.
It has the common name of Glaucous dog rose. [10] [11] Microsatellite markers (simple sequence repeats (SSRs)) have been used by plant geneticists to determine relationships within the Rosa family. It has been found that there was a high degree of similarity between Rosa brunonii and R. dumalis was supported by both molecular and morpholgical ...
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As dogs grow older, their performance and ability to learn new smells is reduced. Female dogs have a greater sense of smell than males. A variety of diseases can decrease a dog's sense of smell, such as canine distemper and nasal mites. Dogs have an enhanced sense of smell when fed a high-fat, low-protein diet. There are a number of theories ...
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A dog and owner at a Rally competition. Rally obedience (also known as Rally or Rally-O) is a dog sport based on obedience. [1] It was originally devised by Charles L. "Bud" Kramer from the obedience practice of "doodling"—doing a variety of interesting warmup and freestyle exercises.
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