Although drought-stressed seedlings treated with exogenous Put displayed an increasing trend in both genotypes for all parameters, significant responses were recorded in SBT-010 only for Pn and water use efficiency (WUE) on the application of 0.3 mM Put.
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Exogenous putrescine attenuates the negative impact of drought stress by modulating physio-biochemical traits and gene expression in sugar beet (Beta vulgaris L.).
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The sentences
In the heatmap, the parameters SOD, CAT, AsA, and LRWC displayed a decreasing trend, and the parameters H 2 O 2 , MDA, Pro, GB, Chl a/b ratio, root-shoot ratio, and GPX displayed an increasing trend in drought-stressed seedlings compared to the control.
Therefore, being a halophytic crop [ 89 ], sugar beet showed a negative trend in mannitol accumulation in the present study under all treatments.