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Centre for Planetary Health and Food Security, Griffith University, Nathan, QLD 4111, Australia
School of Environment and Science, Griffith University, Nathan, QLD 4111, Australia
It is well-known that nitrogen is essential for plant growth and development. Although chemical fertilization remains the main strategy to provide nitrogen requirements for majority of plants, legume crops including chickpea often have a natural symbiosis with bacteria for nitrogen fixation. Meanwhile, a source of molybdenum is still needed for activation of molybdoenzymes for nitrogen metabolism. However, this becomes an issue in some areas with molybdenum-deficient soil. Therefore, molybdenum supplementation is crucial for nitric oxide production in plants. Herein, chickpea plant samples were supplemented with nitrate and molybdenum through foliar fertilization to test nitrate and nitrite reductase activities. As a result, the enzymatic activities were shown to be very high after five days post-supplementation. This study demonstrates the need for molybdenum fertilizers in successful plant growth management.
chickpea, nitrogen metabolism, molybdoenzymes, molybdenum, foliar fertilization
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