Journal article
Effects of long‐term nitrogen dioxide fumigation and nitrate supply on nitrite and Leghemoglobin concentrations, pH, and nitrogenase activity of soybean root nodules
Journal of Plant Nutrition, Vol.20(7-8), pp.953-962
1997
Abstract
Exposing 12‐day‐old soybean plants to 0.2 ppm nitrogen dioxide (NO2) for four weeks increased the nitrite concentration and acidity, and decreased the Leghemoglobin (LHb) concentration and the nitrogenase activity of root nodules. The supply of 1 mol.m‐3 nitrate to the roots intensified the nitrite accumulation, decreased the acidity of the nodules, and alleviated the inhibition of nitrogenase activity by NO2 fumigation. These results suggested that the inhibition of nitrogen (N2) fixation by N fertilizer supply might relate to the acid‐alkali balance in nodules.
Details
- Title
- Effects of long‐term nitrogen dioxide fumigation and nitrate supply on nitrite and Leghemoglobin concentrations, pH, and nitrogenase activity of soybean root nodules
- Authors/Creators
- Z. Qiao (Author/Creator)F. Murray (Author/Creator)
- Publication Details
- Journal of Plant Nutrition, Vol.20(7-8), pp.953-962
- Publisher
- Marcel Dekker Inc.
- Identifiers
- 991005543040207891
- Murdoch Affiliation
- School of Environmental Science
- Language
- English
- Resource Type
- Journal article
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Source: InCites
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.97 Plant Pathology
- 3.97.892 Rhizobium-Legume Symbiosis
- Web Of Science research areas
- Plant Sciences
- ESI research areas
- Plant & Animal Science