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Full text of this article is only available in PDF format.

Pasi Miettinen (email), Aino Smolander

Growth requirements of Frankia strains isolated from Casuarina equisetifolia, and the influence of the isolates on the growth of the host plant.

Miettinen P., Smolander A. (1989). Growth requirements of Frankia strains isolated from Casuarina equisetifolia, and the influence of the isolates on the growth of the host plant. Silva Fennica vol. 23 no. 3 article id 5383. https://doi.org/10.14214/sf.a15540

Abstract

Frankia was isolated from the root nodules of Casuarina equisetifolia L. seedlings, grown in a growth chamber, after inoculation with soil originating from an old east Kenyan casuarina forest. Optimum pH for the growth of the two isolates ranged from 6.4 to 6.9. The optimum temperature for their growth was 32°C. The growth of these cultures ceased at NaCl concentration above 2%. The influence of the isolates on the growth of the host plant was determined in a growth chamber experiment in which an American Frankia strain (HFPCc13) was used as a reference. The biomass of the inoculated seedlings was 2.4–4.1 fold those of the non-inoculated control seedlings at the end of the 7-month experiment.

The PDF includes an abstract in Finnish.

Keywords
Casuarina; Frankia; growth response; nitrogen fixation; Kenya

Published in 1989

Views 7507

Available at https://doi.org/10.14214/sf.a15540 | Download PDF

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