Effects of water stress on the activities of three enzymes in maize seedlings.


Changes in the activities of three enzymes (nitrate reductase, l-phenylalanine ammonia-lyase, and a dehydronicotinamide adenine dinucleotide-oxidase complex) were measured during development of water stress in young maize (Zea mays) plants.l-Phenylalanine ammonia-lyase and nitrate reductase activities decreased markedly with water deficits of 10 to 20%. The… (More)


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