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2 edition of Development of vesicular-arbuscular mycorrhizae and pink root (Pyrenochaeta terrestris) in commercial onion fields in relation to nutrition, pH, and soil fumigation found in the catalog.

Development of vesicular-arbuscular mycorrhizae and pink root (Pyrenochaeta terrestris) in commercial onion fields in relation to nutrition, pH, and soil fumigation

Anne-Cressey McGraw

Development of vesicular-arbuscular mycorrhizae and pink root (Pyrenochaeta terrestris) in commercial onion fields in relation to nutrition, pH, and soil fumigation

by Anne-Cressey McGraw

  • 58 Want to read
  • 6 Currently reading

Published .
Written in English

    Subjects:
  • Onions -- Diseases and pests.

  • Edition Notes

    Statementby Anne-Cressey McGraw.
    The Physical Object
    Pagination[10], 66 leaves, bound :
    Number of Pages66
    ID Numbers
    Open LibraryOL17905243M

    Growth, development, and mineral physiology of potato (Solanum tuberosum L.) plants in response to infection by three species of vesicular-arbuscular mycorrhizal (VAM) fungi and different levels of P nutrition were characterized. P deficiency in no-P and low-P ( mM) nonmycorrhizal plants developed between 28 and 84 d after planting. By 84 d after planting, P . IntroductIon. The complex relationship between host roots and AM fungi requires a continuous exchange of signals, which results in the proper development of the symbiosis. 1, 2 Plant hormones are signal molecules known to regulate many developmental processes in plants and are therefore suitable candidates to function in the colonization process. 3, 4 However, the .

    The root-fungus symbioses called mycorrhizas have been known and studied since the last century. Currently, four main types of mycorrhiza are recognized, based primarily on the fungal partner in the association and the types of mycorrhizal structures that . Abbott, L.K. and Robson, A.D. (b) The effect of root density, inoculum placement and infectivity of inoculum on the development of vesicular-arbuscular mycorrhizas. New Phytol – CrossRef Google Scholar.

    Abstract. Root-inducing transferred-DNA (Ri T-DNA)-transformed roots of tomato (Lycopersicon esculentum) were in vitro inoculated with surface-sterilized vesicular-arbuscular mycorrhizal leek root 1 week after inoculation, the infection of the transformed root culture by the fungal endophyte was confirmed by photonic microscopy. Hooker, J.E., Munro, M. and Atkinson, D. (a) Vesicular-arbuscular mycorrhizal fungi induced alteration in poplar root system morphology. .


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Development of vesicular-arbuscular mycorrhizae and pink root (Pyrenochaeta terrestris) in commercial onion fields in relation to nutrition, pH, and soil fumigation by Anne-Cressey McGraw Download PDF EPUB FB2

Vesicular-arbuscular mycorrhizae developed extensively in a wide range of crop plants grown in field plots and in controlled environment. At 25–28 days after sowing, generally few roots (–19%) were colonized by the mycorrhizal fungus proportion of roots colonized subsequently increased rapidly to maximum levels ranging from 48 to 84%.Cited by: Warnock A J, Fitter A H and Usher MB The influence of a springtail Folsomia candida on the mycorrhizal association of leek Allium porrum and the vesicular-arbuscular mycorrhizal endophyte Glomus fasciculatus.

New Phytol. 90, –Cited by: An arbuscular mycorrhiza (plural mycorrhizas, a.k.a. endomycorrhiza) is a type of mycorrhiza in which the symbiont fungus (AM fungi, or AMF) penetrates the cortical cells of the roots of a vascular plant forming arbuscules. (Not to be confused with ectomycorrhiza or ericoid mycorrhiza.).

Arbuscular mycorrhizas are characterized by the formation of unique structures. ROOT ORGAN CULTURE medium that was relatively rich, especially in nitrogen, for isolating different vesicular-arbuscular mycorrhizal fungi from mycorrhizal strawberry roots and for reassociating them with tomato plants and excised roots of Allium cepu and Solunum by:   Introduction.

Arbuscular Mycorrhizal is a “universal symbiosis” and the beneficial effects of these associations are well studied. Arbuscular Mycorrhizal (AM) fungi are obligate symbionts belonging to phylum Glomeromycota, which is currently comprised of around species distributed throughout the : James Dsouza.

Maria J. Sainz, J. Arines, Effects of native vesicular–arbuscular mycorrhizal fungi and phosphate fertilizer on red clover growth in acid soils, The Journal of Agricultural Science, /S,1, (), (). Physiological Plant Patholo() 5, Vesicular-arbuscular mycorrhizal infections in root organ cultures BARBARA MOSSE and CHRISTINE HEPPER Rothamsted Experimental Station, Harpenden, Herts., U.K.

(Accepted for publication June ) Vesicular-arbuscular mycorrhizal infections, similar to those formed in plants with leaves, have been established for the first time in clover root.

A new experimental procedure was developed to produce samples of leek roots containing early stages in colonization by vesicular–arbuscular mycorrhizal (VAM) fungi. This procedure involved transplanting leek seedlings into a pot culture containing an established symbiosis.

Abundant colonization of seedling roots occurred in 1 week. Sutarman Gafur, Contribution of Dynamics of Root Colonisation by Arbuscular Mycorrhizal Communities to Ecosystem Function, Mycorrhizal Fungi: Use in Sustainable Agriculture and Land Restoration, /_3, (), ().

There is disagreement about whether arbuscular mycorrhizas or vesicular-arbuscular mycorrhizas is the most appropriate name to use, because some fungi do not produce vesicles, arbuscules are not always present in roots and the role of arbuscules in nutrient exchange has not been confirmed (SmithWalker ).

Sally E Smith, David J Read, in Mycorrhizal Symbiosis (Second Edition), Introduction. The development of vesicular-arbuscular (VA) mycorrhizas involves a well coordinated sequence of events, during which morphogenetic changes to both fungus and plant take place, supporting the maintenance of a compatible, biotrophic symbiosis (see Chapter 2).This chapter will describe.

Soil EC had very high correlation (r =p vesicular arbuscular mycorrhizal root. Most endomycorrhizae contain both vesicles and arbuscules and are, therefore, called vesicular–arbuscular mycorrhizae (Fig.

Endomycorrhizae are not surrounded by a dense fungal mantle but by a loose mycelial growth on the root surface from which hyphae and large pearl-covered zygospores or chlamydospores are produced underground.

The effects of soil fumigation with methyl bromide ( kg/ha) on sweetgum (Liquidambar styraciflua L.) seedling height, root collar diameter, root morphology, vesicular‐arbuscular mycorrhizal (VAM) infection, soil‐borne spore number, and soil fertility were monitored from seeding in the nursery until ngs in nonfumigated soil had greater heights, root.

of root length with hairs and the root hairs were longer than in mycorrhizal plants (Table 1). This resulted in a somewhat greater total root surface for non-mycorrhizal than mycorrhizal plants (Table 2).

Mycorrhizal fungi occupied 60% of the root length in infected plants and averaged 10 hyphal entry points per cm of infected root (Table 1).

The ontogeny of the mycorrhizal association of a Glomus species in bean roots was studied. Electron-dense particles adjacent to external hyphae bind iron, as shown by X-ray microprobe analysis, when roots are fixed with glutaraldehyde – ferric chloride.

Biermann B, Linderman RG () Use of vesicular-arbuscular mycorrhizal roots, intraradical vesicles and extraradical vesicles as inoculum. New Phytol – CrossRef Google Scholar Birch CPD () Development of VA mycorrhizal infection in. The Influence of Vesicular-Arbuscular Mycorrhizae on the Growth and Development of Eight Hardwood Tree Species Abstract Eight hardwood forest species were grown in fumigated soil without vesicular-arbuscular mycorrhizal (VAM) fungi or in soil infested with either Glomus fasciculatus (GF), a mixture of Glomus mosseae and G.

etunicatus. The arbuscular mycorrhizal (AM) symbiosis is the association between fungi of the order Glomales (Zygomycetes) and the roots of terrestrial plants ([Harley and Smith, ][1]). Conservative estimates suggest that this ancient symbiosis, dating back to the early Devonian age ( million years ago.

Abstract. Transformed roots of carrot were used to determine the effects of root metabolites on hyphal development from spores of the vesicular-arbuscular mycorrhizal fungus Gigaspora margarita.

Hyphal growth of this obligately biotrophic symbiont was greatly stimulated by a synergistic interaction between volatile and exudated factors produced by roots. Soil mycelia of vesicular‐arbuscular mycorrhizal (VAM) fungi not only extend the range of plant roots for nutrient uptake but also may connect roots, allowing the transfer of small amounts of nutrients between plants.

A greenhouse experiment was conducted to determine the range and the rate of advance of VAM hyphae in root‐free bulk soil.Setc Phytol. () 95, 97 USE OF VESICULAR-ARBUSCULAR MYCORRHIZAL ROOTS, INTRARADICAL VESICLES AND EXTRARADICAL VESICLES AS INOCULUM* BY BRENDA BIERMANNt Department of Botany and Plant .Vesicular-arbuscular (VA) mycorrhizae occurred in seedlings of Eucalyptus marginata, E.

diversicolor and Acacia pulchella grown in soil inoculated with Glomus fasciculatus. Infection levels were 30 to 35 % of the root length of the eucalypts and 50 to 70 % of the Acacia. When.