Endotrophic mycorrhiza and the nutrition of grape vines

Authors

  • J. V. Possingham CSIRO Division of Horticultural Research Adelaide, South Australia
  • J. Groot Obbink CSIRO Division of Horticultural Research Adelaide, South Australia

DOI:

https://doi.org/10.5073/vitis.1971.10.120-130

Abstract

The roots of grape vines collected from a number of different localities throughout the Australian continent were all infected with mycorrhiza of the vesiculararbuscular type. Similarly a range of Vitis species and hybrids and a number of V. vinifera cultivars all displayed microscopic evidence of mycorrhizal infection.
The growth of vine seedlings in soils sterilized either by autoclaving or by gamma irradiation was less than in similar non-sterile soil. The vine seedlings in sterile soils were not infected with mycorrhiza while those in non sterile were. Normal growth of vine seedlings in sterile soils was obtained by inoculating them with vine roots infected with live mycorrhiza. lnoculatio!1 of vine seedlings grown in sterile soils with roots containing dead mycorrhiza (autoclaved) or with filtered soil suspensions does not stimulate their growth. The shoots of vine seedlings grown In nori-sterile soil or in sterile soils and inoculated with live mycorrhiza had a significantly higher phosphorus content than seedlings not infected with mycorrhiza.
i:t is suggested that in many of the habitats in which vines are grown in Australia and in Europe vesicular-arbuscular mycorrhiza aids their nutrition.

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Published

2017-02-17

Issue

Vol. 10 No. 2 (1971): Vitis

Section

Article

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