The Journal of General and Applied Microbiology
Online ISSN : 1349-8037
Print ISSN : 0022-1260
ISSN-L : 0022-1260
IN VITRO EFFECTS OF SOME GROWTH REGULATORS ON RHIZOBIUM
V. RANGA RAON.S. SUBBA RAOK.G. MUKERJI
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JOURNAL FREE ACCESS

1973 Volume 19 Issue 1 Pages 55-58

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Abstract

The effect of indoleacetic acid (IAA), gibberellic acid (GA), kinetin, 2, 4, 5- trichlorophenoxyacetic acid (2, 4, 5-T) (1-10ppm) and morphactin (25- 250ppm) on growth of rhizobia was studied in vitro. IAA and Morphactin were inhibitory at all concentrations tried, whereas 2, 4, 5-T and kinetin showed inhibition only at higher concentrations. Gibberellic acid stimulated the growth of Rhizobium up to 8ppm level.

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