Production of growth hormones inCasuarina cunninghamiana root nodules induced byFrankia strain HFPCgI4 |
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Authors: | Samira R. Mansour |
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Affiliation: | (1) Botany Department, Faculty of Science, Suez Canal University, Ismailia, Egypt |
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Abstract: | Summary Measurements of auxin and cytokinin activities in extracts ofCasuarina root nodules were made. The nodules were induced either by pure culture ofFrankia strain CgI4 or by crushed nodule inoculum. Levels of cytokinin activity were significantly higher in root nodules induced by pureFrankia culture than in those induced by crushed nodule inoculum. However, the reasons for this are unknown. Seasonal variation in levels of cytokinin activity inCasuarina nodules has also been detected.Dedicated to the memory of Professor John G. Torrey |
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Keywords: | Actinorhizal plants Casuarina cunninghamiana Frankia strain HFPCgI4 Growth hormones Root nodule formation |
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