A Rapid Method for the Determination of the Leaf Area of Oxalis corniculata L. and Tephrosia purpurea (Linn.) pers. |
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Authors: | BASU PRABHAT KUMAR |
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Institution: | Department of Botany, Calcutta University Calcutta 19, India |
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Abstract: | A rapid simple method has been described for the determinationof leaf area of Oxalis corniculata L. (Oxalidaceae) and Tephrosiapurpurea (Linn.) pers. (Leguminoseae) by evaluating area = a2x0.866and a2x0.335 respectively for the two plants, where a representsa single linear measurement. The relation has been derived afterintegrating the equation of the curve r2 = a2 cos 2 coveringthe area of each leaflet. Areas of a large number of leaflets have been determined withthe help of two methods (1) Planimeter method, (2) Evaluationmethod. The significance of the difference between the two valuesfor a particular leaf has been statistically examined and itappears that the former method can be replaced by the latterin the case of these plants. |
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