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@article{2394597,
author = {Frantová, Nicole and Rábek, Michal and Porčová, Lenka and Jovanović, Ivana and Širůček, Petr and Lukas, Vojtěch and Hájek, Josef and Elzner, Petr and Holková, Ludmila and Smutná, Pavlína and Smutný, Vladimír and Středa, Tomáš and Cerkal, Radim},
article_number = {1},
doi = {http://dx.doi.org/10.1007/s42106-023-00278-9},
keywords = {Water limitation; VCI; Rain distribution; Maize; Sorghum; RWC; Proline; Stomatal density},
language = {eng},
issn = {1735-6814},
journal = {International Journal of Plant Production},
title = {Monitoring Drought Tolerance Mechanisms of Sorghum and Maize Under Unevenly Distributed Precipitation},
url = {https://link.springer.com/article/10.1007/s42106-023-00278-9},
volume = {18},
year = {2024}
}
TY - JOUR
ID - 2394597
AU - Frantová, Nicole - Rábek, Michal - Porčová, Lenka - Jovanović, Ivana - Širůček, Petr - Lukas, Vojtěch - Hájek, Josef - Elzner, Petr - Holková, Ludmila - Smutná, Pavlína - Smutný, Vladimír - Středa, Tomáš - Cerkal, Radim
PY - 2024
TI - Monitoring Drought Tolerance Mechanisms of Sorghum and Maize Under Unevenly Distributed Precipitation
JF - International Journal of Plant Production
VL - 18
IS - 1
SP - 49-67
EP - 49-67
PB - Springer
SN - 17356814
KW - Water limitation
KW - VCI
KW - Rain distribution
KW - Maize
KW - Sorghum
KW - RWC
KW - Proline
KW - Stomatal density
UR - https://link.springer.com/article/10.1007/s42106-023-00278-9
N2 - The study examines the morpho-physiological differences in leaf characteristics between two species of C4 plants: sorghum and maize. The research was conducted in field conditions where plants were rainfed. Both species different varieties were cultivated at two distinct sites that exhibited variations in soil texture and drought stress incidence according to the vegetation condition index (VCI). Samples were collected during various growth stages to analyze the relative water content (RWC), proline levels, and stomatal density. Sorghum plants displayed higher RWC, proline levels, and stomatal density than maize plants. In sorghum, the biochemical traits, such as the proline content, may play a more critical role in withstanding water-limited conditions than in maize in our experiment. Under the same water restriction period, sorghum showed higher RWC levels. Sorghum plants reduced stomatal density under more water-limited conditions, which proves its plasticity. Additionally, early maturation played a crucial role in both species. The early sorghum variety KWS Kallisto and maize variety Walterinio KWS had a more stable yield at both sites. Nevertheless, the highest yields were found in the later varieties, KWS Hannibal and KWS Inteligens. The higher proline levels and the relative water content are drought-tolerant mechanisms and may be used to indicate drought intensity in field conditions. Our findings spotlight the influence of genetic diversity and genotype-environment interactions in determining crop responses to drought stress, providing valuable information for future breeding programs to enhance drought tolerance in crops.
ER -
FRANTOVÁ, Nicole, Michal RÁBEK, Lenka PORČOVÁ, Ivana JOVANOVI$\backslash$'C, Petr ŠIRŮČEK, Vojtěch LUKAS, Josef HÁJEK, Petr ELZNER, Ludmila HOLKOVÁ, Pavlína SMUTNÁ, Vladimír SMUTNÝ, Tomáš STŘEDA and Radim CERKAL. Monitoring Drought Tolerance Mechanisms of Sorghum and Maize Under Unevenly Distributed Precipitation. \textit{International Journal of Plant Production}. Springer, 2024, vol.~18, No~1, p.~49-67. ISSN~1735-6814. Available from: https://dx.doi.org/10.1007/s42106-023-00278-9.
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