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. 1973 May;51(5):848-51.
doi: 10.1104/pp.51.5.848.

Inhibition of abscission by calcium

B W Poovaiah  1 , A C Leopold
Affiliations

Inhibition of abscission by calcium

B W Poovaiah et al. Plant Physiol. 1973 May.

Abstract

An inhibition of abscission in bean petiole explants is reported for additions of calcium salts, especially at concentrations between 10(-3) and 10(-1)m. Magnesium is less effective, and other commmon macronutrients are ineffective in inhibiting abscission. Evidence from timing experiments indicates that the calcium inhibition may act on the stage I or the "juvenile" stage of the explant, and that the inhibition of abscission may result from a retardation of senescence development in the pulvinar tissues of treated explants.

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References

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