Effect of Inoculation with Mycorrhizae on Growth Parameters of Dombeya torrida, Leucaena leucocephala and Tephrosia vogelii

Mwangi, R. W., Kariuki, S. T, Wagara, I. N.


The present work evaluated the impact of arbuscular mycorrhizal (AM) fungus on growth. Three species of trees, Tephrosia vogelii, Leucaena leucocephala and Dombeya torrida were treated with fragments of arbuscular mycorrhizae and grown in greenhouse. The aim of the present work was to determine whether arbuscular mycorrhizal symbiotic association with these tree species would enhance their growth. Data on height, stem diameter and number of leaves were taken after every two weeks for a period of three months. Mycorrhizal plants demonstrated higher vigor with Tephrosia vogelii giving a mean height of 57.50 cm, 0.50 cm diameter and 9.33 number of leaves which were significantly different from the control plants at p ≤ 0.05 according to least significant difference (LSD). The biomass was also taken at the end of 90 days of growth and the same trend was exhibited. Mycorrhizal plants also showed root nodules with mycorrhizal arbuscles. This work contributes to our understanding of the effects of AM symbiosis on the accumulation of certain micronutrients in valuable woody tree species.

Keywords: arbuscular mycorrhizae, Tephrosia vogelii, Leucaena leucocephala, plant growth

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ISSN (Paper)2224-3186 ISSN (Online)2225-0921

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