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Comparison of corn yield response to plant water stress caused by salinity and by drought |
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| Institution: | 2. Department of Emergency Medicine, Maricopa Medical Center, Phoenix, AR;1. Earth System Science Center, National Institute for Space Research-INPE, Cachoeira Paulista, SP, Brazil;2. National Center for Monitoring and Early Warning of Natural Disasters - CEMADEN, Cacheira Paulista, SP, Brazil;3. National Institute for Space Research-INPE, Cachoeira Paulista, SP, Brazil |
| Abstract: | The effect of water stress on corn yield was studied in a salinity experiment and in a drought experiment. The plant water status was determined by measuring the pre-dawn leaf water potential regularly during the whole growing season and expressed by the water stress day index (WSDI). The yield response of corn did not differ under salinity and drought conditions. The WSDI is a useful indicator for determining crop-response to salinity and drought. |
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