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Regulation of growth and gametangial formation in riccia gangetica by some amino acids

, : Regulation of growth and gametangial formation in riccia gangetica by some amino acids. Journal of Experimental Botany 35(159): 1537-1546

The effects of 6 amino acids: asparagine, aspartic acid, glutamic acid, glycine, serine and tryptophan, on growth and gametangial formation in R. gangetica were studied. All the amino acids tested enhanced vegetative growth, especially glutamic acid. The total number for rhizoids was reduced in response to amino acids. Aspartic acid and glutamic acid favored antheridial production. In contrst, asparagine, serine, and tryptophan enhanced archegonial formation, and among these asparagine elicited the strongest response. Glycine was best for antheridial production, and also increased the number of archegonia.

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