Effect of Radiation and Growth Regulators on Leaf Abscission in Seedling Cotton and Bean.

Hall, Wayne C.; Liverman, James L.

doi:10.1104/pp.31.6.471

Cited by 16 publications

(2 citation statements)

References 12 publications

(23 reference statements)

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“…However, no senescence-factor activity was found in petioles of various developmental stages (numbers 2, 5, and 8) except when leaves number 8 were visibly faded (4 0) . BEAN (27) . In contrast to Coleus in which leaves of di ff erent ages at successive nodes were studied (32,71,79,99) , in bean the primar y or first trifoliate leaf has been the prime focus of interest, with its characteristics at different ages sometimes directl y described (e.g., 10,74,76,83 ).…”

Section: Jacobsmentioning

confidence: 96%

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Longevity of Plant Organs: Internal Factors Controlling Abscission

Jacobs¹

1962

Annu. Rev. Plant. Physiol.

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The research of many men during the last twenty years has gone toward elucidating the internal factors which control the longevity of two importan t types of plant organs-leaves and fruits. This work, which one would expect to have general interest for developmental biologists, has not been as familiar to them as it might be because most of the papers which could be considered to treat longevity have emphasized the "abscission" side of the research. The emphasis on abscission is quite understandable: there are important economic aspects of leaf abscission and of fruit abscission (e.g., inducing leaf abscission in cotton plants for the mechanical picker, and preventing fruit abscission in some of the tree crops like apples and figs) . Consequently, many of the papers have been published in agricultural research journals , where the practical aspects of the research were emphasized.This review will consider the gradual development of our current under standing as to the internal factors in the plant which control the longevity of leaves and fruits. The extensive literature on external agents which will a rtific ally induce abscission will not be discussed, since it has recently been authoritatively reviewed by Addicott & Lynch (2), and since it is not par ticularly informative concerning the internal controlling factors, despite its value in field practice. Special emphasis will be placed on relating a given piece of research to previous research, both because of general scientific obligation, and because abscission researchers have been unusually lax in doing so. In particular, the early German authors (44,45,46,67) have, in the reviewer's opinion, not been given adequate credit by English-speaking authors. [No "holier-than-thou" attitude is suggested: the author has erroneously attributed to Myers credit that should have gone to Laibach and Mai (99), and undoubtedly will have overlooked some proper references in this review. But the aim and the obligation is to be as fair as human failings allow.]Among the papers published since the last review that are not herein considered in detail are those of Hall et at. (26,27,51,52, 53) and Haccius & Nies (23,24,25). Also omitted is consideration of the effects of position with respect to gravity, fully treated by Terpstra (86) and Vendrig (93, 94) . Of papers published before the last review, DostaJ's 1951 paper on correlative effects on leaf abscission in woody plants should be noted (14) . There are no 1 The survey of literature pertaining to this review was concluded in July 1961. 2 The following abbreviations are used: IAA (indole-3-acetic acid); NAA (1-naphthaleneacetic acid).

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Section: Jacobsmentioning

confidence: 96%

“…(26,27,51,52, 53) and Haccius & Nies (23,24,25). Also omitted is consideration of the effects of position with respect to gravity, fully treated by Terpstra (86) and Vendrig (93, 94) .…”

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confidence: 95%

Longevity of Plant Organs: Internal Factors Controlling Abscission

Jacobs¹

1962

Annu. Rev. Plant. Physiol.

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Influence of Ultraviolet Radiation on Auxin‐controlled Plant Growth

Klein

1967

American J of Botany

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Ultraviolet irradiation (254 mμ) of plant test systems results in alterations in growth capacity which can be ascribed to UV‐induced modifications of the ability of plant cells to respond to auxin. This conclusion was reached following study of auxin‐requiring, auxin‐sufficient, and auxin‐surfeit test systems representing cell division, cell enlargement, and cell differentiation. The UV effect was usually reversible by subsequently presented near‐visible or visible radiation.

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Physiology of abscission

Addicott¹

1965

Differenzierung Und Entwicklung / Differentiation and Development

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Effect of Radiation and Growth Regulators on Leaf Abscission in Seedling Cotton and Bean.

Cited by 16 publications

References 12 publications

Longevity of Plant Organs: Internal Factors Controlling Abscission

Longevity of Plant Organs: Internal Factors Controlling Abscission

Influence of Ultraviolet Radiation on Auxin‐controlled Plant Growth

Physiology of abscission

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