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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]
Resistance to drought is a quantitative trait, with a complex phenotype, often confounded by plant phenology. Breeding for drought resistance is further complicated since several types of abiotic stress, such as high temperatures, high irradiance, and nutrient toxicities or deficiencies can challenge crop plants simultaneously.
This variety of wheat is produced through genetic engineering (also called transgenic) and is characterized by its response to drought conditions. The seed was designed with the intention of withstanding longer periods of stress without stopping the accumulation of biomass, improving crop stability and increasing yield.
Pythium volutum is a plant pathogen infecting wheat, ... Low fertility, low soil oxygen, and drought stress can increase the appearance of disease symptoms. While ...
Crop yield is also negatively effected by drought stress, the reduction in crop yield results from a decrease in photosynthetic rate, changes in leaf development, and altered allocation of resources all due to drought stress. [72] Crop plants exposed to drought stress suffer from reductions in leaf water potential and transpiration rate. Water ...
While the roots of a wheat plant are growing, the plant also accumulates an energy store in its stem, in the form of fructans, [14] which helps the plant to yield under drought and disease pressure, [15] but it has been observed that there is a trade-off between root growth and stem non-structural carbohydrate reserves. Root growth is likely to ...
The "year of wheat" campaign pushed by Syrian President Bashar al-Assad is in jeopardy after low rainfall risked leaving an import gap of at least 1.5 million tonnes, according to preliminary ...
Plant stress measurement is the quantification of environmental ... e.g. in the study of cold stress and drought stress. ... Studies have been done for corn and wheat ...