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Genotypic Variation on Root Growth and Nutrient Uptake in Corn and Soybean

Genotypic Variation on Root Growth and Nutrient Uptake in Corn and Soybean AbbreviationsCRconventional corn hybridDTdrought‐tolerant corn hybridGDgood drainage soybean varietyPDpoor drainage soybean varietyApproximately 80% of the world's agriculture is rainfed. Based on projections for future precipitation patterns, we may expect adverse impacts, such as yield penalties, on crop production due to a variation on the rainfall distribution (Bates et al., 2008). Based on that scenario, current plant breeding programs are taking into consideration the agriculture expansion over the globe, and including regions where rainfall and soil nutrients may be a limitation (Lynch, 2007). One of the plant characteristics that have the potential to improve crop adaptability to different environments is the root system. Soybean [Glycine max (L.) Merr.] cultivars, for example, differ on the response to flood irrigation, where the root system can play an important role to adapt varieties to adverse conditions like dry regions or poor drainage soils (Heatherly and Pringle, 1991). Investing in the root system (i.e. root length, surface area, average root diameter, and total root volume) can be a strategy for the plant to support adverse conditions like drought and poor soil fertility in the future (Hansel et al., 2017). Thus, investing in root growth can also be beneficial to enhance nutrient uptake in environments with http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png "Agrosystems, Geosciences & Environment" Wiley

Genotypic Variation on Root Growth and Nutrient Uptake in Corn and Soybean

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References (37)

Publisher
Wiley
Copyright
© American Society of Agronomy
eISSN
2639-6696
DOI
10.2134/age2019.03.0018
Publisher site
See Article on Publisher Site

Abstract

AbbreviationsCRconventional corn hybridDTdrought‐tolerant corn hybridGDgood drainage soybean varietyPDpoor drainage soybean varietyApproximately 80% of the world's agriculture is rainfed. Based on projections for future precipitation patterns, we may expect adverse impacts, such as yield penalties, on crop production due to a variation on the rainfall distribution (Bates et al., 2008). Based on that scenario, current plant breeding programs are taking into consideration the agriculture expansion over the globe, and including regions where rainfall and soil nutrients may be a limitation (Lynch, 2007). One of the plant characteristics that have the potential to improve crop adaptability to different environments is the root system. Soybean [Glycine max (L.) Merr.] cultivars, for example, differ on the response to flood irrigation, where the root system can play an important role to adapt varieties to adverse conditions like dry regions or poor drainage soils (Heatherly and Pringle, 1991). Investing in the root system (i.e. root length, surface area, average root diameter, and total root volume) can be a strategy for the plant to support adverse conditions like drought and poor soil fertility in the future (Hansel et al., 2017). Thus, investing in root growth can also be beneficial to enhance nutrient uptake in environments with

Journal

"Agrosystems, Geosciences & Environment" – Wiley

Published: Jan 1, 2019

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