In vitro mass-production of the arbuscular mycorrhizal fungus, Glomus versiforme, associated with Ri T-DNA transformed carrot roots

Declerck, Stephan;Strullu, D, G.;Plenchette, C.
(1996) International Journal of Orthopaedic and Trauma Nursing — Vol. 100, n° 10, p. 1237-1242 (1996)

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  • Strullu, D, G.Université d'Angers
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  • Plenchette, C.INRA, Dijon, France
    Author
Abstract
he rate of in vitro spore formation of the arbuscular mycorrhizal fungus Glomus versiforme was followed in Petri dishes, using mycorrhizal root-segment inoculum associated with Ri T-DNA transformed carrot roots. Three phases of sporulation were observed: a lag phase, a period of intensive spore production and a plateau phase. An average of 9500 spores per Petri dish was produced after 5 months of dual culture. The root-organ culture system supported extensive root colonization, with many arbuscules and vesicles being formed. The fungus, both within root-segments and as spores produced, was viable and able to complete its life cycle in vitro. The mycorrhizal root-segments, however, exhibited higher inoculum potential due to the numerous vesicles and extensive intraradical mycelium.
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Citations

Declerck, S., Strullu, D. G., & Plenchette, C. (1996). In vitro mass-production of the arbuscular mycorrhizal fungus, Glomus versiforme, associated with Ri T-DNA transformed carrot roots. International Journal of Orthopaedic and Trauma Nursing, 100(10), 1237-1242. https://doi.org/10.1016/S0953-7562(96)80186-9 (Original work published 1996)