biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 43:287-290, 2000 | DOI: 10.1023/A:1002724831619

Triacontanol-Induced Changes in the Growth, Photosynthetic Pigments, Cell Metabolites, Flowering and Yield of Green Gram

G. Kumaravelu1, V. David Livingstone1, M.P. Ramanujam1
1 Department of Botany, Kanchi Mamunivar Centre for Post Graduate Studies, Pondicherry -, India

Seedlings of green gram [Vigna radiata (L.) Wilezek] cultivar KM-2 were sprayed with different concentrations of triacontanol (TRIA) (0, 0.5, 1.0, and 2.0 mg dm-3) at 15 and 25 days after sowing. Foliar spray of 0.5 mg dm-3 TRIA significantly promoted the plant height, fresh mass, and contents of chlorophylls, saccharides, starch, soluble proteins, amino acid and phenols. Leaf nitrate content was reduced by 0.5 and 1.0 mg dm-3 TRIA with a corresponding increase in nitrate reductase activity. TRIA of 0.5 mg dm-3 stimulated the onset of flowering, pod production and retention, but less number of pods and seeds per plant were observed at 2.0 mg dm-3 treatment.

Keywords: biomass; carotenoids; leaf nitrate; nitrate reductase; saccharides; Vigna radiata
Subjects: carotenoids, triacontanol; chlorophyll, triacontanol; flowering, triacontanol; green gram, triacontanol; nitrate reductase, triacontanol; triacontanol, growth, flowering, photosynthesis; Vigna radiata

Published: August 1, 2000  Show citation

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Kumaravelu, G., David Livingstone, V., & Ramanujam, M.P. (2000). Triacontanol-Induced Changes in the Growth, Photosynthetic Pigments, Cell Metabolites, Flowering and Yield of Green Gram. Biologia plantarum, 43(2), 287-290. doi: 10.1023/A:1002724831619
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