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Role of Heteroauxones in Legume Nodule Formation, Beneficial Host Effects of Nodules, and Soil Fertility

Nature volume 140, page 507 (18 September 1937) | Download Citation

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Abstract

FOLLOWING identification of βindolacetic acid1 as a constituent of ether extracts of cultures of Rhizobium phaseoli in dextrose-bacto-tryptophane and in dextrose-bacto-tryptophane-peptone broths, these crude extracts were tested for auxones by applications to coleoptiles of Avena, and to hypocotyls and internodes of Phaseolus vulgaris, var. Bed Kidney. The tests were strongly positive. Thus far we have been unable to determine whether βindolacetic acid is the only heteroauxone in the preparations because of the scarcity of material.

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References

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    , , and , Bot. Gaz., 98, 816–867 (1937).

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    , J. Gen. Physiol., 18, 23–34 (1934).

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    , Proc. Nat. Acad. Sci., 22, 511–514 (1936).

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  1. Hull Botanical Laboratory, University of Chicago. July 29.

    • GEORGE K. K. LINK

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https://doi.org/10.1038/140507a0

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