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| Web URL(s): | https://academic.oup.com/aob/article/40/2/251/136382
Last checked: 02/15/2017
Notes: Guide page |
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| Publication Type:
| Refereed |
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| Author(s): | Bell, A. D. |
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| Author Affiliation: | School of Plant Biology, University College of North Wales, Bangor, Gwynedd, U.K. |
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| Title: | The vascular pattern of Italian ryegrass (Lolium multiflorum Lam.) 4. The peripheral plexus, and nodal root insertion |
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| Source: | Annals of Botany. Vol. 40, No. 2, March 1976, p. 251-259. |
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| # of Pages: | 9 |
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| Keywords: | TIC Keywords: Lolium multiflorum; Morphology; Tillers (vegetative); Roots
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| Geographic Terms: | UK |
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| Abstract/Contents: | "The interconnecting system of leaf traces constituted only a fraction of the vascular tissue found in the base of a ryegrass stem. The tillers and nodal roots had their insertion in this congested region of the plant in addition to the majority of the leaf traces. Study of the attachment of nodal roots revealed the extensive differentiation of vascular tissue in a perforated cylinder surrounding the inner leaf trace system, and peripheral plexus. This consisted of 2 components, the diffuse bundles orientated along the stem axis, and interconnected with the root girdles orientated around the stem axis. The peripheral plexus which was bounded externally by a mestome sheath made numerous contacts with the leaf trace system within it, both directly and via the nodal plexi, and received the vascular attachment of all the nodal roots. It appeared in the stem at about the same time as adjacent nodal roots, and differentiated from meristematic tissue totally independently of the leaf trace system. The diffuse bundles themselves apparently differentiated acropetally in this meristematic tissue and were augmented by branches from leaf traces and the nodal plexi. The integrated vascular systems of leaf, stem, and root at the base of the grass plant, bounded by a mestome sheath, needed to allow total intercommunication between all organs. Nearly all tissue within the mestome sheath was vascular in nature and it was into this vascular tissue that the leaf traces associated with transfer cells were inserted." |
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| Language: | English |
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| References: | 20 |
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| Note: | Pictures, b/w included facing pg. 258 (Has no page number)
Figures |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Bell, A. D. 1976. The vascular pattern of Italian ryegrass (Lolium multiflorum Lam.) 4. The peripheral plexus, and nodal root insertion. Ann. Bot. 40(2):p. 251-259. |
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| Web URL(s):
https://academic.oup.com/aob/article/40/2/251/136382
Last checked: 02/15/2017
Notes: Guide page |
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MSU catalog number: QK 1 .A53 |
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