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Brassinolide (BR) is a relatively new plant growth regulator. To test whether BR could be used to increase tolerance to water deficits in soybean, the effects of BR application on photosynthesis, assimilate distribution, antioxidant enzymes and seed yield were studied. BR at 0.1 mg l−1 was foliar applied at the beginning of bloom. Two levels of soil moisture (80% field capacity for well-watered control...
A 1050 bp up-stream regulatory fragment of the transcription factor gene NAC1 in Arabidopsis thaliana was isolated using polymerase chain reaction (PCR) based techniques. The fragment was used to substitute the 35S promoter of the pBI121 plasmid to construct a β-glucuronidase gene (GUS) expression system. The construct was introduced into tobacco (Nicotiana tabaccum) plants by the Agrobacterium-mediated...
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