01936naa a2200277 a 450000100080000000500110000800800410001902200140006010000150007424501360008926000090022530000090023452011420024365000100138565000160139565000200141165000110143170000200144270000200146270000190148270000230150170000230152470000260154770000200157377300650159321306272021-03-11 2020 bl uuuu u00u1 u #d a0098-84721 aGARCIA, N. aWaterlogging tolerance of five soybean genotypes through different physiological and biochemical mechanisms.h[electronic resource] c2020 a8 p. aWaterlogging is a serious environmental threat that limits crop growth and yield in low-lying, rainfed areas many regions across the globe. Here we investigated the effects of waterlogging and subsequent re-oxygenation on the physiology and biochemistry of three soybean [Glycine max (L.) Merrill] genotypes (PELBR10-6000, PELBR11-6028, and PELBR11-6042) and two cultivars (TEC IRGA 6070 and BMX Potência). Plants were grown under greenhouse conditions until the V4 stage when they were subjected to waterlogging for seven days. The water was then drained and plants were allowed to recover for another seven days. Overall, all genotypes suppressed waterlogging stress with distinct mechanisms. Waterlogged PELBR10-6000 surpassed control plant levels of CO2 assimilation rate and readily responded to the energy lack induced by hypoxia by activating the fermentative enzymes and alanine aminotransferase. Similar mechanisms were observed in BMX Potência, which restored metabolism to control levels at the end of the recovery. PELBR11-6028 and PELBR11-6042 activated the antioxidant defenses, and TEC IRGA 6070 did not delay flowering. aÁgua aGlycine Max aManejo de Água aStress1 aDA-SILVA, C. J.1 aCOCCO, K. L. T.1 aPOMAGUALLI, D.1 aOLIVEIRA, F. K. DE1 aSILVA, J. V. L. DA1 aOLIVEIRA, A. C. B. de1 aAMARANTE, L. DO tEnvironmental and Experimental Botanygv. 172, 103975, 2020.