Benefits of indigenous mycorrhizae for enhancing cork oak growth in potential ecological restoration (Western Algeria)
DOI:
https://doi.org/10.34188/bjaerv8n1-012Palavras-chave:
Quercus suber, alcornoque, micorriza natural, ectomicorrizas, endomicorrizas, invernadero, crecimientoResumo
During this work, we collected indigenous mycorrhizae from cork oak Quercus suber L. trees in the Oran cork forests. Indigenous mycorrhizae are natural mycorhizal roots that include indigenous fungi. They are called indigenous because they originate from and are adapted to the local environment.
Indigenous mycorrhizae were at first examined morphologically in the Laboratory and then were inoculated to cork oak seedlings obtained from pregerminated seeds. The seedlings were raised in open pots, on potting soil, in greenhouse conditions.
After 4 months of cultivation, the growth of the cork oak seedlings was estimated by measuring the height of their aerial part as well as by the number of leaves and branches.
Preliminary results revealed that the Indigenous mycorrhizae were essentially ectomycorrhizae, with a fungal mantle and a Hartig network, forming 14 morphotypes which differ in color, morphology, and size. Endomycorrhizae were also seen with intracellular hyphae forming vesicles, arbuscules, and coils.
Analysis of the growth parameters of cork oak seedlings, cultivated in greenhouse, showed that their inoculation with Indigenous mycorrhizae improved plant growth. The roots of these seedlings, in addition to improved growth, showed a cellular fungal installation. Consequently, indigenous mycorrhizal fungi of the inoculated roots are potential growth promoting tools for Quercus suber seedlings in ecological restauration.
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