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In botany, drought tolerance is the ability by which a plant maintains its biomass production during arid or drought conditions. [ 1 ] [ 2 ] [ 3 ] Some plants are naturally adapted to dry conditions , surviving with protection mechanisms such as desiccation tolerance , detoxification , or repair of xylem embolism. [ 3 ]
Heat tolerance may be displayed alongside cold-hardiness, such as in the American Horticultural Society's "Heat Zones". See Thermoregulation § In plants and Breeding for heat stress tolerance . For drought tolerance , see Drought § Impact on crops and Breeding for drought stress tolerance .
Pages in category "Drought-tolerant plants" The following 200 pages are in this category, out of approximately 371 total. This list may not reflect recent changes .
Another physical option for control is through fires. Some species of mesquite are fire-sensitive, while others are fire-tolerant. For those that are fire-sensitive, this method can be highly effective, but those that are fire-tolerant require hot and intense fires to be effective. In Australia, scientists are trying biological control methods.
By definition, succulent plants are drought-resistant plants in which the leaves, stem, or roots have become more than usually fleshy by the development of water-storing tissue. [5] Other sources exclude roots as in the definition "a plant with thick, fleshy and swollen stems and/or leaves, adapted to dry environments". [ 6 ]
New research raises questions about the familiar map's ability to address long-term drying trends, including persistent dry spells across the American West. ... The U.S. Drought Monitor is a ...
Cassava was introduced to East Africa around 1850 by Arab and European settlers, who promoted its cultivation as a reliable crop to mitigate the effects of drought and famine. [ 25 ] There is a legend that cassava was introduced in 1880–1885 to the South Indian state of Kerala by the King of Travancore , Vishakham Thirunal Maharaja, after a ...
For example, original North American prairie grasslands or lowland wildflower meadows in the UK are now rare and their associated wild flora equally threatened. Associated with the wild-plant diversity of the "unimproved" grasslands is usually a rich invertebrate fauna; there are also many species of birds that are grassland "specialists", such ...