1963
DOI: 10.2307/2440157
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Studies on the Ontogeny of the Dwarf Mistletoes, Arceuthobium. I. Embryogeny and Histogenesis

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Cited by 6 publications
(7 citation statements)
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“…The cotyledons in this instance, however, are only rudimentary, and the shoot apex only slightly developed (Cohen 1963). Shoots arise adventitiously from the endophytic system and may not emerge until two or more years after initial infection (Hawksworth and Wiens 1972 Cannon (1904) and Bray (1910) give only scanty details con- Recognition of the cotyledons is one of the primary means to interpret shoot morphology (Eames 1961).…”
mentioning
confidence: 91%
“…The cotyledons in this instance, however, are only rudimentary, and the shoot apex only slightly developed (Cohen 1963). Shoots arise adventitiously from the endophytic system and may not emerge until two or more years after initial infection (Hawksworth and Wiens 1972 Cannon (1904) and Bray (1910) give only scanty details con- Recognition of the cotyledons is one of the primary means to interpret shoot morphology (Eames 1961).…”
mentioning
confidence: 91%
“…Malheureusement il n'existe pas d'Ctudes de l'embryogenkse progressive suffisamment complktes pour permettre d'ttablir des schCmas interprktatifs indiscutables. L'exemple des Arceuthobiutn (Cohen 1963;Tainter 1968;Bhandari et Kanan Nanda 1968) illustre bien cette difficultk. A la difference du cas de 1'Arceuthobium tnitzutissimum, ou le p61e apical Clabore deux cotylCdons et un territoire prkcaulinaire axial ( fig.…”
Section: Application a Divers Groupes De Spermaphytesunclassified
“…35 et 36) ou des Cuscutn(Haccius et Troll 1961) est trks semblable B celle du p61e basal des Arceuthobiutn et relkve de l'une ou l'autre des deux inter~rktations. D'autres solutions proposCes par les auteurs sont inutiles ou non compatibles avec notre point de vue : veritable racine(Cohen 1963), organe sui generis(SallC 1975), hypocotyle (Guttenberg 1968), tige primordiale(Jacques-FClix 1982).…”
unclassified
“…THE ORIGIN and organization of the main tissue systems in the embryo of Arceuthobium were described in the first paper of this series (Cohen, 1963). After germination, the seedling grows on the host surface unitil the root apex is confronted by a spur shoot or by a fragment of raised bark.…”
mentioning
confidence: 99%
“…THE SEEDLING-The radicular promeristem of the embryo with its compactly a-ranged cells consists of 4 zones: (1) a unicellular layer of surface initials; (2) a subapical zone of central initials; (3) a peripheral zone; and (4) a zone of procambial initials (Cohen, 1963). Each zone can be identified by a characteristic pattern of cell divisions; all cells derived from the radicle are interpreted to constitute the root of the seedling.…”
mentioning
confidence: 99%