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The Role of Mycorrhizal Fungi in Orchids
Recent Patents on BiotechnologyBackground: In nature, orchid plants are obligate myco-heterotrophs, and rely on mycorrhizal nutrient resources to grow and sustain in the wild, until they become physiologically active photosynthetic plants. Their seeds lack nutrient reserves and receive the necessary carbon from symbiotic fungi during germination.
Saranjeet, Kaur, Akash, Deb
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Codiversification of orchids (Pterostylidinae) and their associated mycorrhizal fungi
Australian Journal of Botany, 2011Fungal symbionts involved in mycorrhizal associations are known to vary considerably in both specificity and the level of benefits conferred on their plant hosts. For orchids, association with a suitable mycorrhizal fungus is vital for successful germination, growth and establishment.
J. Tupac Otero +4 more
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Mycorrhiza, 2017
Vanilla is an orchid of economic importance widely cultivated in tropical regions and native to Mexico. We sampled three species of Vanilla (V. planifolia, V. pompona, and V. insignis) in different crop systems. We studied the effect of crop system on the abundance, type of fungi, and quality of pelotons found in the roots using light and electron ...
Ma. del Carmen A. González-Chávez +5 more
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Vanilla is an orchid of economic importance widely cultivated in tropical regions and native to Mexico. We sampled three species of Vanilla (V. planifolia, V. pompona, and V. insignis) in different crop systems. We studied the effect of crop system on the abundance, type of fungi, and quality of pelotons found in the roots using light and electron ...
Ma. del Carmen A. González-Chávez +5 more
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Introduction, growth and persistence in situ of orchid mycorrhizal fungi
Australian Journal of Botany, 2007The introduction, growth and persistence of orchid mycorrhizal fungi in situ were studied by using a seed-baiting method. A mycorrhizal fungus from the carousel spider orchid, Caladenia arenicola (Hopper & A.P.Br.), was introduced to sites within an area from which the orchid and fungus were absent, adjacent to a natural population of C. arenicola.
Hollick, P.S., McComb, J.A., Dixon, K.W.
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RAPD and ITS Analysis of Orchid Mycorrhizal Fungi
1998Orchid endomycorrhizal symbionts are most frequently basidiomycetes and include the genera; Armillaria, Ceratobasidium, Ceratorhiza, Epulorhiza, Thanatephorus and Tulasnella amongst others. Historically, some isolates which are often obtained in the sterile, anamorph state, have been difficult to assign to a species, due to the limited morphological ...
G. C. Saunders, S. J. Owens
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Are there keystone mycorrhizal fungi associated to tropical epiphytic orchids?
Mycorrhiza, 2016In epiphytic orchids, distinctive groups of fungi are involved in the symbiotic association. However, little is known about the factors that determine the mycorrhizal community structure. Here, we analyzed the orchid mycorrhizal fungi communities associated with three sympatric Cymbidieae epiphytic tropical orchids (Cyrtochilum flexuosum, Cyrtochilum ...
Stefania Cevallos +4 more
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New Phytologist, 2009
Mycoheterotrophic orchids have adapted to shaded forest understory by shifting to achlorophylly and receiving carbon from their mycorrhizal fungi. In temperate forests, they associate in a highly specific way with fungi forming ectomycorrhizas on nearby trees, and exploiting tree photosynthates. However, many rainforests lack ectomycorrhizal fungi, and
Martos, Florent +7 more
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Mycoheterotrophic orchids have adapted to shaded forest understory by shifting to achlorophylly and receiving carbon from their mycorrhizal fungi. In temperate forests, they associate in a highly specific way with fungi forming ectomycorrhizas on nearby trees, and exploiting tree photosynthates. However, many rainforests lack ectomycorrhizal fungi, and
Martos, Florent +7 more
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Metagenomic Analyses of the Viruses Detected in Mycorrhizal Fungi and Their Host Orchid
2018In nature, mycorrhizal association with soilborne fungi is indispensable for orchid families. Fungal structures from compatible endo-mycorrhizal fungi in orchid cells are digested in cells to be supplied to orchids as nutrition. Because orchid seeds lack the reserves for germination, they keep receiving nutrition through mycorrhizal formation from seed
Hanako, Shimura +2 more
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