Arbuscular mycorrhiza in species of Commelinidae (Liliopsida) in the state of Pernambuco (Brazil)

Silva, Gladstone Alves da; Santos, Bartolomeu Acioli dos; Alves, Marccus; Maia, Leonor Costa

doi:10.1590/s0102-33062001000200002

Cited by 14 publications

(9 citation statements)

References 35 publications

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“…Species in Eriocaulon have adaptations to cope with an extreme shortage of soil nutrients like N and P. In addition, plants of Eriocaulon are evergreen, and any nutrient investment in leaves is amortized over an extended period, which considerably reduces its reliance on soil resources and subsequently on AM association (Keddy 2010). Like other species of the genus, M. nudiflora was nonmycorrhizal in the present study (Logan et al 1989;Brundrett et al 1995;Tester et al 1987;Silva et al 2001;Muthukumar & Udaiyan 2000a). However, non-functional mycorrhiza (lacking arbuscules) has been reported in Murdannia semiteres by Radhika & Rodrigues (2007).…”

Section: Incidence Of Am Fungal Colonization In Lithophytessupporting

confidence: 54%

Root fungal associations in some non-orchidaceous vascular lithophytes

2016

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Plant roots in natural ecosystems are colonized by a diverse group of fungi among which the most common and widespread are arbuscular mycorrhizal (AM) and dark septate endophyte (DSE) fungi. Th ough AM and DSE fungal associations are well reported for terricolous plant species, they are rather poorly known for lithophytic plant species. In this study, we examined AM and DSE fungal association in 72 non-orchidaceous vascular plant species growing as lithophytes in Siruvani Hills, Western Ghats of Tamilnadu, India. Sixty-nine plant species had AM and 58 species had DSE fungal associations. To our knowledge, we report AM fungal association in 42 and DSE fungal association in 53 plant species for the fi rst time. Th ere were signifi cant diff erences in total root length colonization and root length colonized by diff erent AM and DSE fungal structures among plant species. In contrast, the diff erences in AM and DSE fungal colonization among plants in various life-forms and lifecycles were not signifi cant. AM morphology reported for the fi rst time in 56 plant species was dominated by intermediate type AM morphology. A signifi cant negative relationship existed between total root length colonized by AM and DSE fungi. Th ese results clearly suggest that AM and DSE fungal associations are widespread in lithophytes.

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Section: Incidence Of Am Fungal Colonization In Lithophytessupporting

confidence: 54%

Root fungal associations in some non-orchidaceous vascular lithophytes

2016

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“…Em áreas semi-áridas naturais, Reeves et al (1979) encontraram mais de 90% das plantas micorrizadas. Em áreas de caatinga no Estado de Pernambuco, entre nove espécies de monocotiledôneas coletadas, seis apresentaram percentuais de colonização variando de 22% a 50% (Silva et al 2001b). Por outro lado, em outras oito espécies de monocotiledôneas coletadas também em área de caatinga, no mesmo Estado, Santos et al (2000) encontram apenas dois espécimes associados a FMA.…”

Section: Discussionunclassified

Diversidade e potencial de infectividade de fungos micorrízicos arbusculares em área de caatinga, na Região de Xingó, Estado de Alagoas, Brasil

Souza¹,

Maia²,

Sales³

et al. 2003

Rev. bras. Bot.

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-(Diversity and infectivity potential of arbuscular mycorrhizal fungi in an area of "caatinga" in the Xingó Region, State of Alagoas, Brazil). The region occupies 2800 km 2 , in the States of Pernambuco, Alagoas, Sergipe and Bahia, and constitutes a preserved part of the Northeastern semi-arid ecosystem. Evaluation of the diversity and density of propagules of arbuscular mycorrhizal fungi (AMF) in the soil, as well as of the mycorrhizal colonization in plants of the area was carried out by sampling of soil and roots during the dry (August/2000) and rainy (March/2001) seasons, in two subareas (Piranhas and Olho d'Água do Casado) in Alagoas. More than 95% of the plants, among the 71 examined, formed arbuscular mycorrhiza (5-80% colonization). Among these 30 phanerogamic species, belonging to 14 families, only Pilosocereus sp. was not colonized. The average percentages of colonization (≅ 16-20%) were similar in both sampling periods. There was an inverse relationship between number of spores and the most probable number (MPN) of infective propagules in the area of Olho d'Água, with lower density of spores (< 2 spores.g -1 of soil) and higher MPN of propagules (4.7 and 11.6 spores.g -1 of soil), in the rainy and dry periods. Number of spores and MPN of propagules were similar in the Piranhas area during the rainy season; in the dry season the number of spores was 1.5 times higher than the MPN. Twenty-four taxa of AMF, mostly of Acaulosporaceae and Glomaceae, were identified. The AMF are well represented, forming mycorrhizal association with most "caatinga" plants, despite the severe climatic limitations of the region.

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“…As MA apresentam grande importância ecológica e agronômica, porém a sua presença ou ausência pode ser influenciada por diversos fatores ambientais, tais como: condições climáticas, propriedades físicas, químicas e físico-químicas do solo, e espécie hospedeira (assim como pela idade e variedade das mesmas) (Silva et al 2001). O conhecimento da condição micorrízica das espécies é de grande importância, pois serve de suporte para pesquisas sobre a produção de mudas e tecnologias para garantir o sucesso no reflorestamento com a espécie (Carneiro et al 1998).…”

Section: Introductionunclassified

Micorriza arbuscular em plantações de Eucalyptus cloeziana F. Muell no litoral norte da Bahia, Brasil

et al. 2004

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RESUMO -(Micorriza arbuscular em plantações de Eucalyptus cloeziana F. Muell no litoral norte da Bahia, Brasil). As micorrizas arbusculares são de longa data conhecidas e exploradas devido à importância ecológica e aos efeitos no crescimento e na nutrição das plantas. Eucalyptus cloeziana F. Muell, particularmente nas áreas em estudo, apresenta comportamento diferenciado quando comparado com outras espécies de eucaliptos, instalando-se em sítios de solos pobres e textura arenosa, com crescimento reduzido, dificuldades para a formação das mudas e problemas nutricionais. Objetivando avaliar a percentagem de colonização radicular e a densidade de esporos de fungos micorrízicos arbusculares em plantações de E. cloeziana, foram realizadas coletas de solo rizosférico e de raízes em 20 áreas, distribuídas em seis municípios do Estado da Bahia, Brasil. Os resultados médios da percentagem de colonização variaram de 10% a 96,66% e a densidade de esporos variou de 3 a 110 esporos/50cm 3 de solo, demonstrando a grande suscetibilidade do E. cloeziana à micorrização. Palavras-chave: Eucalyptus cloeziana, Glomales, colonização radicular, densidade de esporosABSTRACT -(Arbuscular mycorrhiza in Eucalyptus cloeziana F. Muell plantations in the north littoral of Bahia, Brazil). The arbuscular mycorrhizal are known and explored long ago due to the ecological significance and the effects in the growth and nutrition of the plants. Eucalyptus cloeziana F. Muell, particularly in the studied sites, exhibit differenced behaviour when compared with other eucaliptus species, establishing in sites of the poor soils and sandy texture, with reduced growth, difficulty to formation of the seedling and nutritional problems. Aiming to evaluate the percentage of mycorrhizal colonization, as well as the density of arbuscular mycorrhizal fungi spores in E. cloeziana plantations, rhizospheric soil and roots samples were collected in twenty sites, distributed in six municipalities of Bahia state, Brazil. The mean results of percentage root colonization ranged from 10 to 96.66% and spore number ranged from 3 to 110 spores/50cm 3 soil, demonstrating high susceptibility of the E. cloeziana to mycorrhization.

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Arbuscular mycorrhiza in species of Commelinidae (Liliopsida) in the state of Pernambuco (Brazil)

Cited by 14 publications

References 35 publications

Root fungal associations in some non-orchidaceous vascular lithophytes

Root fungal associations in some non-orchidaceous vascular lithophytes

Diversidade e potencial de infectividade de fungos micorrízicos arbusculares em área de caatinga, na Região de Xingó, Estado de Alagoas, Brasil

Micorriza arbuscular em plantações de Eucalyptus cloeziana F. Muell no litoral norte da Bahia, Brasil

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