Chemical and Histological Responses of Bean Plants Grown at Different Levels of Nutrition to Indoleacetic Acid

Smith, Ora; Nash, L. B.; Davis, Gareth

doi:10.1086/334944

Cited by 15 publications

(3 citation statements)

References 7 publications

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“…Bhattacharya and Nanda 1978, Eliasson 1978, Lovell et al 1972, or the carbohydrate content of the cuttings has been measured during the rooting period (e.g. Breen and Muraoka 1974, Hansen et al 1978, Smith et al 1940, Stuart 1938.…”

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Dynamics of extractable carbohydrates in Pisum sativum. I. Carbohydrate and nitrogen content in pea plants and cuttings grown at two different irradiances

Veierskov

Andersen²,

Eriksen³

1982

Physiologia Plantarum

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1982. Dynamics of extractable carbohydrates in Pisum sativum. I. Carbohydrate and nitrogen content in pea plants and cuttings grown at two different irradiances. -Physiol. Plant. 55: 167-173.When pea plants (Pisum sativum L. cv. Alaska) were grown in controlled environment rooms, a stock plant irradiance of 38 W m~^ decreased the rooting ability ofthe cuttings compared to 16 W m"^. Also the origin of the seeds was of importance. The experiments were done in 1976 (1975 seed lot) and 1979/80 (1978 seed lot). At 38 W m~^ the 1975 seed lot produced 7.2 roots, whereas the 1978 seeds produced 20.7 roots per cutting. The eontent of fructose, glucose, inositol and sucrose was determined from an ethanol extract, and extractable starch from a perehlorie acid extract. The irradiance treatment regulated the carbohydrate content ofthe plants at the time they were made into cuttings. Cuttings from 16 or 38 W m~^ contained initially 6.8 and 8.5% carbohydrate on a dry weight basis respectively. If the plants were not excised to cuttings, a stable level of carbohydrates was maintained throughout the growing period, whereas in the cuttings, the carbohydrate content increased five fold during the rooting period. The content of extractable carbohydrates did not show any correlation to the root initiation process, but might be of importance for the further growth of the new roots. The C/N-ratio of the plants at the time they were made into cuttings reflected the pre-growth condition and was not related to the rooting ability of the cuttings.Additional key-words -C/N-ratio, cuttings, relative growth, root formation, starch, stock plants, sugars. B. Veierskov (present address),the ability of the cuttings to fonn roots. Suggestions n ro u on 1^^.^^ \xsx\ made that a high endogenous ievel of nit-In the process of progagating cuttings, not only the rogen enhances shoot growth, which then diverts the rooting environment, but also the growing condition of carbohydrates and other metabolites from the bases of the stock plant strongly influence the rooting ability of the cuttings, resulting in a reduced ability of the cuttings the cuttings. The first findings of a correlation between to form adventitious roots (Mclntyre 1971, Raid 1924, carbohydrate content and rooting ability in cuttings Starring 1923. Starring (1923) concluded, however, were made by Kraus and Kraybill (1918), and have that it was not the ratio but the actual concentration of lately been reviewed by Haissig (1974). It is not only carbohydrate and nitrogen which was of importance for the carbohydrate content, btit also the ratio between the rooting ability of the cuttings. Haissig (1974) carbohydrate and nitrogen which has been related to suggested, that the difference in C/N-ratio in poorly and

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Dynamics of extractable carbohydrates in Pisum sativum. I. Carbohydrate and nitrogen content in pea plants and cuttings grown at two different irradiances

Veierskov

Andersen²,

Eriksen³

1982

Physiologia Plantarum

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“…Plant. 55, t982 IAA treated pea cuttings was in contrast with the results obtained by Alexander (1938), Smith et al (1940) and Stuart (1938), who all found that the content of extractable carbohydrates was constant or decreasing during, the entire period of rooting. The burst of extractable carbohydrates, which is seen on day 3 or 4 in the IAA treated cuttings is most likely caused by a secondary effect of the IAA treatment and is not connected with the rooting ability of the cuttings.…”

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confidence: 54%

Dynamics of extractable carbohydrates in Pisum sativum. III. The effect of IAA and temperature on content and translocation of carbohydrates in pea cuttings during rooting

Veierskov

Andersem²

1982

Physiologia Plantarum

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The number of roots formed in cuttings of pea (Pisum sativum L. cv. Alaska) was regulated both by the temperature and by IAA, whereas the time to the appearance of the first roots was regulated only by the temperature. Cuttings treated with 10‐3M IAA had a smaller content of extractable carbohydrates than the control ones irrespective of the temperature. In the bases of cuttings rooted at 25°C the content of extractable carbohydrates was lower than in those rooted at 15°C. Cuttings treated with IAA showed up to elevenfold increase of extractable carbohydrates in the bases at day 3. This increase of soluble sugars was not correlated with the number of roots formed or the speed of rooting. It is concluded that IAA affects the accumulation of carbohydrates, and this is not connected with the rooting ability of the cuttings.

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“…A: 5009 (SMITH et al 1940, SELL et al 1949, MACLEOD 1964, KEY 1964, KEY et al 1966. REBSTOCK et al (1952)…”

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Neuere Untersuchungen über die Einflüsse von verschiedenen Herbiziden auf den pflanzlichen Stoffwechsel

Bolhàr‐Nordenkampf

1971

Berichte der Deutschen Botanischen Gesellschaft

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Zusammenfassung . Zur Charakterisierung des Einflusses von 2,4‐D auf empfindliche und tolerante Pflanzen wird sowohl die 2,4‐D‐Resistenz als auch die Hitzeresistenz von Flächenschnitten herangezogen . Es konnte ein Zusammenhang zwischen Herbizidresistenz und dem Kohlehydrathaushalt bzw. dem Proteinstoffwechsel der Pflanzen gefunden werden . Die morphogenetische Wirkung von Atrazin auf die Infloreszenz von Zea mays wird durch einen Einfluß des Herbizids auf den Wuchsstoffmetabolismus zu erklären versucht. Der Kontrollversuch bringt auch tatsächlich ein gefördertes Streckungswachstum von verschiedenen Keimlingen . Es wird besonders auf die Brauchbarkeit von Herbiziden für die Grundlagenforschung hingewiesen, insbesondere auf die des Atrazin bei Lichtatmungsuntersuchungen

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Chemical and Histological Responses of Bean Plants Grown at Different Levels of Nutrition to Indoleacetic Acid

Cited by 15 publications

References 7 publications

Dynamics of extractable carbohydrates in Pisum sativum. I. Carbohydrate and nitrogen content in pea plants and cuttings grown at two different irradiances

Dynamics of extractable carbohydrates in Pisum sativum. I. Carbohydrate and nitrogen content in pea plants and cuttings grown at two different irradiances

Dynamics of extractable carbohydrates in Pisum sativum. III. The effect of IAA and temperature on content and translocation of carbohydrates in pea cuttings during rooting

Neuere Untersuchungen über die Einflüsse von verschiedenen Herbiziden auf den pflanzlichen Stoffwechsel

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