Piriformospora indica promotes adventitious root formation in cuttings

Druege, Uwe; Baltruschat, Helmut; Franken, Philipp

doi:10.1016/j.scienta.2007.01.018

Cited by 68 publications

(35 citation statements)

References 19 publications

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“…At this stage of development, P. indica colonized roots are further developed, as suggested by earlier expression of developmentally regulated genes (Waller et al 2008). Such enhancement of root growth could be based either on fungal production of phytohormones like the auxin indole acetic acid, as shown in the interaction of P. indica with Arabidopsis (Sirrenberg et al 2007) and as discussed for the effect of P. indica on the rooting of cuttings (Druege et al 2007). Recent results of barley root transcriptome analysis, on the other hand, suggest a rather complex interplay of P. indica with the host plant, including transiently altered expression levels of gibberelic acid biosynthesis genes and abscisic acid responsive genes, but not a strong broad-scale induction of auxin-induced genes in the early phases of root colonization (Schäfer et al 2009).…”

Section: Discussionmentioning

confidence: 93%

Root colonization by Piriformospora indica enhances grain yield in barley under diverse nutrient regimes by accelerating plant development

et al. 2010

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The basidiomycete fungus Piriformospora indica colonizes roots of a broad range of mono-and dicotyledonous plants. It confers enhanced growth, improves resistance against biotic and tolerance to abiotic stress, and enhances grain yield in barley. To analyze mechanisms underlying P. indica-induced improved grain yield in a crop plant, the influence of different soil nutrient levels and enhanced biotic stress were tested under outdoor conditions. Higher grain yield was induced by the fungus independent of different phosphate and nitrogen fertilization levels. In plants challenged with the root rot-causing fungus Fusarium graminearum, P. indica was able to induce a similar magnitude of yield increase as in unchallenged plants. In contrast to the arbuscular mycorrhiza fungus Glomus mosseae, total phosphate contents of host plant roots and shoots were not significantly affected by P. indica. On the other hand, barley plants colonised with the endophyte developed faster, and were characterized by a higher photosynthetic activity at low light intensities. Together with the increased root formation early in development these factors contribute to faster development of ears as well as the production of more tillers per plant. The results indicate that the positive effect of P. indica on grain yield is due to accelerated growth of barley plants early in development, while improved phosphate supply-a central mechanism of host plant fortification by arbuscular mycorrhizal fungi-was not observed in the P. indica-barley symbiosis.

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Section: Discussionmentioning

confidence: 93%

Root colonization by Piriformospora indica enhances grain yield in barley under diverse nutrient regimes by accelerating plant development

et al. 2010

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“…Not only the mycelium but even culture filtrate enhanced growth of the plants. Earlier it was reported that plant root cells can be killed by colonization of this fungus (Deshmukh et al, 2006), however it also increased root growth, weight and branching Waller et al, 2005 Increased rooting of calli of N. tabacum and cuttings of other plants was also noticed Drudge et al, 2007). When culture filtrate of P. indica was applied, a diffusible factor from it enhanced root growth of Arabidopsis.…”

Section: Resultsmentioning

confidence: 98%

Impact of Culture Filtrate of Piriformospora indica on Biomass and Biosynthesis of Active Ingredient Aristolochic Acid in Aristolochia elegans Mart

Bagde¹,

Prasad²,

Varma³

2013

IJB

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The mycorrhiza plant partnership is the basic, essential and integral part of plant survival and growth. In the present investigation we are reporting the effect of culture filtrate of Piriformospora indica, a growth promoter and bioprotector fungus on Aristolochia elegans Mart. The culture filtrate of the fungus increased overall growth, biomass, and active ingredient-aristolochic acid in the leaves of plants. In untreated control plants, the overall growth was reduced. P. indica culture filtrate application increased root number, root length, and root dry weightby 28%, 98%, and 123% respectivelyin plants of Aristolochia. Also stem height and shoot length was enhanced by 43% and 155% respectively.There was increase in number of leaves by 79% and length of leaves by 36%. The increase in total biomass was 136%. The improvement in content of aristolochic acid in leaves was between7.6% and 28.8%in treated plants as against untreated control plants

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“…Thus both the mycelium in association with roots and culture filtrates appear to contain hormones, enzymes, proteins etc that exert a positive impact on plants . The rooting of Nicotiana tabacum calli and cuttings of ornamental plants was also promoted (Varma et al 1999;Drudge et al 2007) by P. indica. A diffusible factor from P. indica has been shown to affect Arabidopsis root growth.…”

Section: Discussionmentioning

confidence: 99%

Influence of culture filtrate of Piriformospora indica on growth and yield of seed oil in Helianthus annus

2011

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The root endophytic fungus Piriformospora indica is a prime candidate to improve the growth and yield of plants. It also acts as a growth promoter and bioprotector, as well as combating environmental stress in a range of plant species. In the present investigation impact of a P. indica culture filtrate was studied on Helianthus annus Sun gold and H. annus Japanese gold varieties in the greenhouse. Treatment with the P. indica culture filtrate promoted overall growth and seed production of the plants. Moreover, the oil content of the seeds increased by 50% to 70% in these two varieties of H. annus plants. The possible reasons for these effects are discussed.

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Piriformospora indica promotes adventitious root formation in cuttings

Cited by 68 publications

References 19 publications

Root colonization by Piriformospora indica enhances grain yield in barley under diverse nutrient regimes by accelerating plant development

Root colonization by Piriformospora indica enhances grain yield in barley under diverse nutrient regimes by accelerating plant development

Impact of Culture Filtrate of Piriformospora indica on Biomass and Biosynthesis of Active Ingredient Aristolochic Acid in Aristolochia elegans Mart

Influence of culture filtrate of Piriformospora indica on growth and yield of seed oil in Helianthus annus

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