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Radhakrishnan, Ayswarya
- Effect of Different Types of Inocula of Ectomycorrhizal Fungus (Pisolithus albus) on the Growth Improvement of Eucalyptus tereticornis Clone
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Indian Forester, Vol 135, No 4 (2009), Pagination: 547-553Abstract
In the present investigation, different forms of P. albus inocula viz., basidiospores, vegetative mycelium and Ca alginate beads were applied to clonal plantlets of Eucalyptus tereticornis in order to determine the effect of each type of inoculum on the growth improvement of the plants. In this study, the treatments with the fungus recorded significantly greater plant height, ischolar_main length, shoot and ischolar_main biomass and collar diameter over uninoculated control plantlets. The maximum growth of plants was recorded in the treatment with pure mycelial culture inoculum, followed by the basidiospore. Least growth was recorded in the calcium alginate treated plants but it had significantly better growth than the untreated control plants.Keywords
Ectomycorrhizal fungus Pisolithus albus, Inocula, Growth improvement, Eucalyptus tereticornis- In-vitro Studies on the Cultural Characteristics of Selected Ectomycorrhizal Fungi
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Indian Forester, Vol 134, No 1 (2008), Pagination: 131-136Abstract
The mycorrhizal symbiosis between plants and fungi is essential for the survival of both partners and it has been suggested that this symbiosis was a prerequisite for the successful colonization by the plants. Among the different mycorrhizal fungi, the ectomycorrhizal fungi are mostly associated with the tree crops particularly conifers and certain angiosperms. Unlike AM fungi, the ectomycorrhizal fungi can be pure cultured and mass produced in synthetic media under laboratory conditions. In the present study an attempt was made to identify the most suitable culture medium for the better growth of three different ectomycorrhizal fungal isolates viz., Pisolithus albus. It was found that all the three isolates performed well in MMN and PHA media. Another study was conducted wherein the three different ectomycorrhizal fungi viz., Laccaria fraterna, Scleroderma sp. and Pisolithus albus were grown in MMN media maintained at seven different pH levels. It was observed that the MMN liquid medium at moderate pH level (5.5 and 6.0) was found suitable for the better growth of all the fungi and significance of the findings is discussed.Keywords
Ectomycorrhizal Fungi, In-vitro Studies, Culture Medium- Selection of Potential Isolates of Pisolithus albus on Growth Improvement of Eucalyptus tereticornis
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Indian Forester, Vol 134, No 6 (2008), Pagination: 814-820Abstract
In the present investigation, 6 different isolates of P. albus collected from 6 different Eucalyptus plantations zones of Andhra Pradesh viz., Anantapur (isolate-1), Tirupati (isolate-2), Kavali (isolate-3), Paloncha (isolate-4), Tirumala (isolate-5) and Achutapuram (isolate-6) were applied to clonal plantlets of Eucalyptus tereticornis in order to determine the effect of each isolate on the growth improvement of the plants. In this study, the treatments with the fungus recorded significantly greater plant height, ischolar_main length, shoot and ischolar_main biomass and collar diameter over uninoculated (control) plantlets. The maximum growth of plants of Clone 2 was recorded in the treatment with Isolate-5. In Clone 1 better growth performances was observed when inoculated with Isolates 1, 3 and 5. Similarly, Isolates 1, 2 and 5 improved the growth parameters of Clone 3. Least growth was recorded in the plants treated with Isolates 4 and 6 but it had significantly better growth than the untreated control plants.Keywords
Ectomycorrhizal Fungi, Pisolithus albus, Potential Isolates, Growth Improvement,Eucalyptus tereticornis, Clones- Selection of Potential Isolates of Azospirillum for Growth Enhancement in Teak
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