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Pepper
Pepper (Capsicum annuum) is a perennial plant, cultivated as an annual and belonging to the nightshade family.
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Pepper (Capsicum annuum) is a perennial plant, cultivated as an annual and belonging to the nightshade family.
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Tall, vibrantly coloured summer-flowering phlox, derived from eastern North American P. paniculata, one of the most popular garden perennials in Canada, is often used for island beds or as border plants.
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Most are either "soft" pines with 5 needles per shoot or "hard" pines with 2-3 per shoot. The most familiar soft pines are western white pine (P. monticola) of BC, and eastern white pine (P. strobus), east of Manitoba. Others include limber pine (P. flexilis) and whitebark pine (P.
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Tropical Asian and N Australian pitcher plants of the genus Nepenthes belong to the family Nepenthaceae. The Australian flycatcher (Cephalotus follicularis) of SW Australia is the only species of the family Cephalotaceae.
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Plankton [Gk planktos, "drifting"], plants and animals, phytoplankton and zooplankton, respectively, that float freely or drift with currents in oceans, freshwater ponds and lakes.
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The shoot system (stem and leaves) grows upward into the light and is the site of photosynthesis; the root system penetrates the soil, anchors the plant and absorbs necessary water and minerals.
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Plant breeding is an applied science, in which knowledge of genetics, pathology, plant physiology, statistics, and molecular biology are used to modify plant species for human needs or preferences.
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Popular classification usually divides living beings into plants and animals and, sometimes, microbes. Scientific classification long followed a similar system, with 2 principal kingdoms: the animal order and the vegetable order.
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Plant disease can decrease the economic, aesthetic and biological value of all kinds of plants. Plant pathology (phytopathology) is the study of the nature, causes, prevention and socioeconomic aspects of plant diseases.
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Indigenous peoples in what is now Canada collectively used over a 1,000 different plants for food, medicine, materials, and in cultural rituals and mythology. Many of these species, ranging from algae to conifers and flowering plants, remain important to Indigenous communities today. This knowledge of plants and their uses has allowed Indigenous peoples to thrive in Canada’s diverse environments. Many traditional uses of plants have evolved to be used in modern life by Indigenous and non-Indigenous peoples alike. (See also Indigenous Peoples’ Medicine in Canada.)
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Poison ivy plants can spread by underground stems or seeds. Most are small shrubs (0.5-1 m tall); others are vinelike plants, 15 m or longer, supported by aerial roots. Shrubby forms are sometimes called poison oak.
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Toxic PropertiesToxic reactions generally are caused by chemical compounds that are produced by plants or absorbed from soil. These compounds produce undesirable physiological responses in individuals or animals.
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The poplar is a short-lived, deciduous, hardwood tree of genus Populus of the willow family, widely distributed in the northern temperate zone.
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Potato wart disease, also called potato canker, is a fungal disease of potato sprouts, eyes and stolons. The disease is caused by the soil-borne fungus, Synchytrium endobioticum. Potato wart disease poses no danger to human health or food safety, but it can impact local economies as the disease can reduce yield and effect economic regulations, such as potato exports. (See also Agricultural Economics.)
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