Changes in endogenous gibberellic acid (GA) levels were determined in developing seeds and pods of pigeon pea (Cajanus cajan). Antibodies against GA3 were raised in rabbits and indirect ELISA developed to estimate GA level. Two varieties, black seeded variety (V1) and B.D.N2 (V2), were selected on the basis of their seed index value. The pod length and number of seeds per pod were significantly different for the two varieties. Dry weight, water content (WC), rate of water accumulation, rate of dry matter accumulation (DMA), and GA content in pod and seed were all larger in V1 than in V2. In both varieties, higher GA content was observed during cell elongation and DMA phases, respective to their varietal differences in growth traits. Relationships between WC and rate of DMA, and WC and GA differed significantly between the two varieties. The results suggest a role of GA and WC in sink-size development in both varieties studied.
:The present paper deals with antimicrobial activity of Glycyrrhiza glabra, Tinospora cordifolia, Tribulus terrestris, Thevetia peruviana, Adhatoda vasica, Vitex negungo, Apium graveolens and, Annona squamosa. It was studied against Bacillus cereus, Staphylococcus aureus, Salmonella typhy B (STB), Shigella dysenteriae using solvent (methanol and petroleum ether) extraction method. Methanol extract of all eight plants showed prominent inhibitory activity against S. dysenteriae and STB while G. glabra, V. negundo, and T. peruviana showed maximum zone of inhibition against four studied bacterial species. These results suggest that methanol extract is more effective than petroleum ether for the antimicrobial activity. Further total phenols were estimated and antibacterial activity of these plants in relation to total phenolic content is discussed.
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