The roots and mycorrhizas of herbaceous woodland plants: I. Quantitative aspects of morphology.

@article{Brundrett1990TheRA,
  title={The roots and mycorrhizas of herbaceous woodland plants: I. Quantitative aspects of morphology.},
  author={Mark C. Brundrett and B. Jacob Kendrick},
  journal={The New phytologist},
  year={1990},
  volume={114 3},
  pages={
          457-468
        }
}
The time-course of development of the roots and endomycorrhizas of five common herbaceous plants in a southern Ontario hardwood forest (Arisaema atrorubens, Erythronium americanum, Asarum canadense, Smilacina racemosa, and Trillium grandiflorum) was examined. Root growth of these species was very slow. Formation of vesicular-arbuscular (VA) mycorrhizas was quantified by measuring the average distance from growing root tips at which (i) hyphal contact, (ii) root penetration, and (iii) arbuscule… Expand
The roots and mycorrhizas of herbaceous woodland plants: II. Structural aspects of morphology.
TLDR
It was found that modifications of endodermal and exodermal cell-walls could determine the way in which fungi entered the roots of herbaceous woodland plants, and it is considered likely that some aspects of root structure have evolved means of regulating the efficiency of mycorrhizal associations. Expand
Morphology and diversity of arbuscular mycorrhizal fungi colonizing roots of dandelion and chive
TLDR
Host root cell packing does not appear to influence AM morphotype at least in the samples in this study, and the applicability of a current model is assessed. Expand
The arbuscular mycorrhizal fungi of Hyacinthoides non-scripta. II. Seasonal and spatial patterns of fungal populations
TLDR
Roots of bluebell are colonized by a range of fungal symbionts from several genera of the order Glomales, and both AM fungi in roots and glomalean spores recovered from soil around bluebell roots showed a significant degree of correlation with the vegetation within which the test plants grew. Expand
Distribution of Arbuscular Mycorrhizas in Peanut Root System
TLDR
In the 1st order lateral roots, the distribution and growth of mycorrhizal colonies are closely related with their initiating positions along tap root axis, and it was shown that in the relatively aged roots that initiated on the proximal portion of taproot axis, the trend became unclear gradually in the young lateral roots. Expand
The developmental ecology of mycorrhizal associations in mayapple, Podophyllum peltatum, Berberidaceae
TLDR
The pattern of AM fungal colonization of mayapple rhizome systems suggests that the mycorrhizal relationship is facultative at the ramet level, reinforced by the observation that augmentation of soil phosphate lowers root colonization by AM fungi. Expand
Mycotrophy of Annona cherimola and the morphology of its mycorrhizae
TLDR
The mycotrophic character of Annona cherimola (Magnoliales), a tropical/subtropical plantation crop of interest, is described for the first time and the pattern of spread of the mycorrhizal colonization were similar for the different endophytes involved and appeared to be dependent on the host root. Expand
Coevolution of roots and mycorrhizas of land plants.
TLDR
It is hypothesised that roots gradually evolved from rhizomes to provide more suitable habitats for mycorrhizal fungi and provide plants with complex branching and leaves with water and nutrients. Expand
Clethra barbinervis, a member of the order Ericales, forms arbuscular mycorrhizae
TLDR
The mycorrhizal status of Clethra barbinervis, in the family Clethraceae of the order Ericales, was investigated and roots collected from naturally occurring trees in two forests in Japan were extensively colonized by arbuscular mycor rhizal fungi that exhibited the Paris-type morphology. Expand
Positive association between mycorrhiza and foliar endophytes in Poa bonariensis, a native grass
TLDR
The co-occurrence of both colonisation types in one and the same root system found in the three populations, which differed in Neotyphodium infection, suggests that foliar endophytes do not determine AM morphology. Expand
Mycorrhizal associations of ferns and lycopods of central Veracruz, Mexico
TLDR
The arbuscular mycorrhizal fungi were present in 11 species which characterized by arbuscules and in a further 11 species were found with only hyphae and vesicles, and a Paris-type of AMF morphology was dominant. Expand
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The mycorrhizal status, root anatomy, and phenology of plants in a sugar maple forest
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Most trees were associated with VAM, although several ectomycorrhizal species occurred in low numbers, and many species had periods of root growth that did not parallel their aboveground activity. Expand
THE DEVELOPMENT OF MYCORRHIZAL ROOT SYSTEMS IN TRIFOLIUM SUBTERRANEUM L.: GROWTH OF ROOTS AND THE UNIFORMITY OF SPATIAL DISTRIBUTION OF MYCORRHIZAL INFECTION UNITS IN YOUNG PLANTS
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The results indicate that infection can occur not only immediately behind the root apex, but also to considerable distances behind the apex in 16-d-old plants. Expand
A QUANTITATIVE STUDY OF MYCORRHIZAL INFECTION IN TRIFOLIUM: SEPARATE DETERMINATION OF THE RATES OF INFECTION AND OF MYCELIAL GROWTH
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A simple mathematical model of the infection of roots of Trifolium subterraneum by vesicular-arbuscular mycorrhizal fungi is presented and it is suggested that the root tip is nearly 10 times more infectible than the average for the whole root system. Expand
A Quantitative Study of the Spores and Anatomy of Mycorrhizas Formed by a Species of Glomus, with Reference to its Taxonomy
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The anatomy of vesicular arbuscular mycorrhizas formed by a particular endophyte species grown under a range of conditions may not be as variable as has been generally assumed. Expand
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The anatomy of metacutinized root tips during dry soil conditions, and the relationship of this condition to the development of constrictions between beads, are described. Expand
A developmental study of the early stages in vesicular-arbuscular mycorrhiza formation
TLDR
A new experimental procedure was developed to produce samples of leek roots containing early stages in colonization by vesicular–arbuscular mycorrhizal (VAM) fungi by transplanting leek seedlings into a pot culture containing an established symbiosis. Expand
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TLDR
The results confirm that VA infection can provide channels for direct inter-plant nutrient transfer and that transfer is sufficient to sustain significant enhancement of both growth and nutrient composition of receivers, in some cases within six weeks of commencement of the treatment. Expand
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TLDR
The pattern ofvesicular-arbuscular mycorrhizal (YAM) colonization in Ginkgo biloba L. roots was investigated and it is concluded that the host cell regardless of the systematic position of the plant acts as a constant environment for the fungus. Expand
COMPARISONS BETWEEN THE GROWTH RATES OF MYCORRHIZAS, UNINFECTED ROOTS AND A MYCORRHIZAL FUNGUS OF EUCALYPTUS ST-JO HNII R. T. BAK
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It was seen in bottle cultures that, because the growth rates of primary and secondary roots usually exceeded the growth rate of the fungus, only a few of these apices came into contact with the inoculum, led to many of these becoming invested by fungal mycelium and a considerable proportion of them became converted to mycorrhizas. Expand
Comparative Anatomy of Vesicular-Arbuscular Mycorrhizas Formed on Subterranean Clover
TLDR
Differences among genera were always greater than those among species within genera and emphasizes a role for infection morphology in taxonomic descriptions of the fungi which are usually limited to features of spores. Expand
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