Controlled mycorrhizal initiation as a means to improve root development in somatic embryo plantlets of hybrid larch (Larix x eurolepis)

Piola, F.; Rohr, R.; Aderkas, P. von

doi:10.1034/j.1399-3054.1995.950411.x

Cited by 4 publications

(3 citation statements)

References 11 publications

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“…TI increase throughout the growth period and magnitude of increase in TI appeared to be high in treatment with industrial effluents in combination with VAM than with industrial effluents alone, this is in accordance with those obtained by Piola et al (1995) whom found that, development of root system was concomitantly accompanied by an enhancement of shoot growth due to effect of ectomycorrhizal fungi of hybrid larch.…”

Section: Growth Response and Yield Componentssupporting

confidence: 91%

Effect of industrial effluents polluting the river nile on growth, metabolism and productivity ofTriticium aestivumandVicia fabaplants

Shukry¹

2001

Acta Botanica Hungarica

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Pot experiments using loamy soil were conducted to evaluate the effect of irrigation with industrial effluents on growth, uptake of nutrients and yield of wheat (Triticum aestivum Giza 164) as a monocot and faba beans (Vicia faba Giza 461) as a dicot plant. Also, irrigation by industrial effluents in combination with vesicular-arbuscular mycorrhiza (VAM) was used in trying to use a biological control to overcome the harmful effects of heavy metals pollution.Irrigation of plants with industrial effluents leads to marked changes in growth criteria depending on plant and/or the stage of growth. Industrial wastewater led also to marked changes in total carbohydrates and nitrogen in both shoots and roots. On the other hand, combination of industrial waste water with VAM caused an increase in the total carbohydrates and total nitrogen in shoots and roots of both wheat and bean plants.The yield components in wheat and bean were significantly increased with industrial effluents, but the biochemical concentrations were different. In wheat, the carbohydrate concentrations were increased, but protein-N and total-N were decreased, however mineral contents, especially Zn were increased. The reverse response was recorded with VAM. For bean the opposite occurred. Generally, bean plants were more sensitive to pollution with heavy metals, than those of wheat however this could influence be overcome by using VAM with irrigation.

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Section: Growth Response and Yield Componentssupporting

confidence: 91%

Effect of industrial effluents polluting the river nile on growth, metabolism and productivity ofTriticium aestivumandVicia fabaplants

Shukry¹

2001

Acta Botanica Hungarica

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“…In fact, Suillus can kill seedlings under some conditions (Piola, Rohr & von Aderkas, 1995), which suggests that its biotrophic C demand might be too high in some cases. A more efficient C transfer for Suilloid fungi is also consistent with the specialist hypothesis of Cullings, Szaro & Bruns (1996).…”

Section: mentioning

confidence: 99%

Genetic structure of a natural population of the ectomycorrhizal fungus Suillus pungens

1998

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Sequence-based markers were developed to study the genetic structure and reproductive biology of the ectomycorrhizal fungus Suillus pungens Thiers & Smith in a Bishop pine (Pinus muricata D. Don) forest. Six different basidiome genotypes were found in a 1200 m# area. Five of the six genotypes were represented by single basidiomes. The remaining genotype comprised 13 basidiomes and covered an area of at least 300 m#, with maximum measured dimensions of 40 m and 14 m. This is the largest genet of an ectomycorrhizal fungus described to date, and is likely the result of vegetative growth, because analysis of single spore isolates eliminates the possibility of genetic identity resulting from either apomixis or fortuitously indistinguishable recombinant genotypes. Genetic analysis also shows that although out-crossing appears to predominate in the population, at least a low percentage (1n4 %) of spores are secondarily homothallic.The combination of extensive vegetative growth and abundant fruiting suggests S. pungens utilizes more carbon than might be expected for a species which accounts for 3 % of the total ectomycorrhizal abundance at the site. Additional carbon might come from either more efficient host-fungus transfer, pooling of carbon from the roots of different host plants, or saprophytism.

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“…This proves that suitable EM partners are crucial for the success of P. cembra afforestations and that they can be successfully introduced as inoculated seedlings. Swiss pine trees associated with suitable mycobionts have a higher vitality and produce more biomass than trees without [ 19 , 21 , 22 ].…”

Section: Introductionmentioning

confidence: 99%

Host-Specialist Dominated Ectomycorrhizal Communities of Pinus cembra are not Affected by Temperature Manipulation

Rainer

Kuhnert

Unterholzer

et al. 2015

JoF

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Ectomycorrhizae (EM) are important for the survival of seedlings and trees, but how they will react to global warming or changes in soil fertility is still in question. We tested the effect of soil temperature manipulation and nitrogen fertilization on EM communities in a high-altitude Pinus cembra afforestation. The trees had been inoculated in the 1960s in a nursery with a mixture of Suillus placidus, S. plorans and S. sibircus. Sampling was performed during the third year of temperature manipulation in June and October 2013. Root tips were counted, sorted into morphotypes, and sequenced. Fungal biomass was measured as ergosterol and hyphal length. The EM potential of the soil was assessed with internal transcribed spacers (ITS) clone libraries from in-growth mesh bags (MB). Temperature manipulation of ± 1 °C had no effect on the EM community. A total of 33 operational taxonomic units (OTUs) were identified, 20 from the roots, 13 from MB. The inoculated Suillus spp. colonized 82% of the root tips, thus demonstrating that the inoculation was sustainable. Nitrogen fertilization had no impact on the EM community, but promoted depletion in soil organic matter, and caused a reduction in soil fungal biomass.

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Controlled mycorrhizal initiation as a means to improve root development in somatic embryo plantlets of hybrid larch (Larix x eurolepis)

Cited by 4 publications

References 11 publications

Effect of industrial effluents polluting the river nile on growth, metabolism and productivity ofTriticium aestivumandVicia fabaplants

Effect of industrial effluents polluting the river nile on growth, metabolism and productivity ofTriticium aestivumandVicia fabaplants

Genetic structure of a natural population of the ectomycorrhizal fungus Suillus pungens

Host-Specialist Dominated Ectomycorrhizal Communities of Pinus cembra are not Affected by Temperature Manipulation

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