Nodulation and growth of mycorrhizal Casuarina equisetifolia J.R. and G. First in response to flooding

Osundina, M. A.

doi:10.1007/s003740050349

Cited by 30 publications

(11 citation statements)

References 6 publications

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“…Mycorrhizal Casurina equisetifolia (J.R. and G. First) seedlings adapted to flooding better than noninoculated seedlings because of the greater number of adventitious roots and hypertrophied lenticles which increased 0 2 availability in the root zone (Osundina, 1998). Mycorrhizal colonization of the aquatic plant Vallisneria americana (Michx.)…”

Section: Floodingmentioning

confidence: 99%

Influence of adverse soil conditions on the formation and function of Arbuscular mycorrhizas

Entry

Rygiewicz

Watrud

et al. 2002

Advances in Environmental Research

205

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The majority of plants have mycorrhizal fungi associated with them. Mycorrhizal fungi are ecologically significant because they form relationships in and on the roots of a host plant in a symbiotic association. The host plant provides the fungus with soluble carbon sources, and the fungus provides the host plant with an increased capacity to absorb water and nutrients from the soil. Adverse conditions are a pervasive feature in both natural and agronomic soils. The soil environment is constantly changing with regard to moisture, temperature and nutrient availability. In addition, soil properties are often manipulated to improve crop yields. In many cases, soils may be contaminated through disposal of chemicals that are toxic to plants and microorganisms. The formation and function of mycorrhizal relationships are affected by edaphic conditions such as soil composition, moisture, temperature, pH, cation exchange capacity, and also by anthropogenic stressors including soil compaction, metals and pesticides. Arbuscular mycorrhizal fungi are of interest for their reported roles in alleviation of diverse soil-associated plant stressors, including those induced by metals and polychlorinated aliphatic and phenolic pollutants. Much mycorrhizal research has investigated the impact of extremes in water, temperature, pH and inorganic nutrient availability on mycorrhizal formation and nutrient acquisition. Evaluation of the efficacy of plant-mycorrhizal associations to remediate soils contaminated with toxic materials deserves increased attention. Before the full potential benefits of arbuscular mycorrhizal fungi to reclaim contaminated soils can be realized, research advances are needed to improve our understanding of the physiology of mycorrhizae subjected to adverse physical and chemical conditions. This paper will review literature and discuss the implications of soil contamination on formation and function of arbuscular mycorrhizal associations. C

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Section: Floodingmentioning

confidence: 99%

Influence of adverse soil conditions on the formation and function of Arbuscular mycorrhizas

Entry

Rygiewicz

Watrud

et al. 2002

Advances in Environmental Research

205

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“…Lenticels are spongy areas in the corky surface of plants that provide a pathway for gas exchange between the atmosphere and the inner layers of cells in plants. It has been reported in a study conducted on Casuarina equisetifolia that the plants which formed hypertrophied lenticels had better adaptation to flooding by showing increased oxygen availability (Osundina, 1998). The findings may explain why the adaptability of S. birrea to riverine vegetation in the arid and semi arid areas.…”

Section: Discussionmentioning

confidence: 75%

“…There is very little data on the effect of AM fungi on the growth of S. birrea under water stress, salt stress or flooding. A related study on other arid and semi arid species has shown that AM fungi improved tolerance to plants under water stress (Stahl et al, 1998), salt stress (Sengupta and Chauduri, 1990) and flooding (Osundina, 1998).…”

Section: Discussionmentioning

confidence: 98%

“…The beneficial effects of arbuscular mycorrhizae in improving tolerance to environmental stress conditions such as water stress (Cruz et al, 2000;Dell'Amico et al, 2002;Ming et al, 1999;Stahl et al, 1998), flooding (Osundina, 1998;Rutto et al, 2002) and high soil salinity (Aboulkhair and El-Sokkary, 1994;Jindal et al, 1993;Katembe et al, 1998;Sengupta and Chaunduri, 1990), in some plant species are widely reported. The mechanisms of the improved tolerance includes increased nutrient uptake, especially for P and Zn (AlKaraki, 2000;Miller and Sharitz, 2000;Osonubi et al, 1991;Rutto et al, 2002;Solaiman and Hirata, 1995).…”

Section: Introductionmentioning

confidence: 99%

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Effect of Arbuscular Mycorrhizal Fungi on Tree Growth and Nutrient Uptake of Sclerocarya birrea under Water Stress, Salt Stress and Flooding

Muok¹,

Ishii²

2006

J. Japan. Soc. Hort. Sci.

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A greenhouse experiment was conducted to determine the influence of arbuscular mycorrhizal (AM) fungus inoculation on water stress, salt stress and flooding tolerance of three subspecies of Scleocarya birrea (A. Rich.) Hochst. Gigaspora margarita Baker and Hall was used for the inoculation. All the three subspecies of S. birrea had high tolerance both to water stress and flooding even without G. margarita inoculation. All flooded seedlings developed lenticels and survived three months of flooding. Non-mycorrhizal seedlings of S. birrea subsp. multifoliolata survived even under electric conductivity of up to 7.1 dS·m −1. Root colonization by G. margarita markedly improved tolerance of S. birrea seedlings to water stress, salt stress and flooding. In particular, S. birrea subsp. caffra under water stress and flooding conditions showed the highest response to inoculation. Mycorrhizal S. birrea subsp. multifoliolata recorded enhanced uptake of N, P, Ca and Mg at 7.1 dS·m −1 . These results demonstrate that even though S. birrea has natural tolerance to water stress, salt stress and flooding, AM fungus is very effective in strengthening the tolerance of S. birrea grown in arid and semi arid areas.

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“…In addition, Casuarina root systems can associate with either arbuscular mycorrhizal (AM) fungi, ectomycorrhizal (EM) fungi or both to form mycorrhiza (Warcup 1980;Gauthier et al 1983;Gardner 1986;Reddell et al 1986;Theodorou and Reddell 1991;Vasanthakrishna and Bagyaraj 1993;Vasanthakrishna et al 1994aVasanthakrishna et al , 1994bVasanthakrishna et al , 1995Subba-Rao and Rodriguez-Barrueco 1995;Reddell et al 1997;Osundina 1998;Singh et al 1998;Mark et al 1999;Wang and Qiu 2006), which helps their host plants to access soil nutrients and water. Some Casuarina species, including C. cunninghamiana, C. equisetifolia and C. glauca, even have the capacity to form cluster roots, which specialize in phosphorus (P) uptake from the soil (Diem 1996;Arahou and Diem 1997;Reddell et al 1997;Diem et al 2000;Zaïd et al 2003;Lambers et al 2006).…”

mentioning

confidence: 99%

Frankia Nodulation, Mycorrhization and Interactions Between Frankia and Mycorrhizal Fungi in Casuarina Plants

Critchley

2008

Mycorrhiza

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Nodulation and growth of mycorrhizal Casuarina equisetifolia J.R. and G. First in response to flooding

Cited by 30 publications

References 6 publications

Influence of adverse soil conditions on the formation and function of Arbuscular mycorrhizas

Influence of adverse soil conditions on the formation and function of Arbuscular mycorrhizas

Effect of Arbuscular Mycorrhizal Fungi on Tree Growth and Nutrient Uptake of Sclerocarya birrea under Water Stress, Salt Stress and Flooding

Frankia Nodulation, Mycorrhization and Interactions Between Frankia and Mycorrhizal Fungi in Casuarina Plants

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