Growth Regulating Effects of Amino Acids and Dithiocarbamic Acid Derivatives and their Possible Relation with Chemotherapeutic Activity<sup>1</sup>)

Andel, O. M. van

doi:10.1111/j.1439-0434.1962.tb02025.x

Cited by 11 publications

(13 citation statements)

References 18 publications

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“…Gibberellic acid, on the other hand, which would decrease the rate of IAA breakdown (Elema, 1960;Halevy, 1963) rendered the plants more susceptible, as did IAA itself (van Andel, 1966). These data suggest that conditions inhibitory to IAA action or leading to a decrease in the IAA level in the plants would be unfavourable for the development of the disease ( van Andel, 1962van Andel, , 1966). This hypothesis was tested by investigating the influence of other factors known to influence IAA content in plants on disease resistance and by studying the effect of phenylserine on oxidative breakdown of IAA.…”

Section: Introductionmentioning

confidence: 84%

“…'Lange gele Tros', were grown, treated with chemotherapeutants and inoculated with Cladosporium cucumerinum as described earlier (van Andel, 1962). The disease index was usually estimated 5 or 6 days after inoculation, when the control plants were heavily diseased.…”

Section: Methodsmentioning

confidence: 99%

“…The derivatives of dithioearbamic acid just mentioned act probably as competitive inhibitors of IAA action, but phenylserine is supposed to have a more indirect effect (van Andel, 1962), which might be accounted for by an increased ability to breakdown IAA in tissue of phenylserine-treated plants. Growth retardants as CCC (2-chloroethyl-trimethylammonium chloride) and B 9 (N-dimethylaminosuecinamic acid) caused an increase in the rate of IAA oxidation in cucumbers according to Halevy (1963).…”

Section: Introductionmentioning

confidence: 99%

“…et Arth. Phenylserine was also shown to reverse the effect of indoleacetic acid (IAA) on various plant growth phenomena, for instance root growth of cucumber seedlings and epinasty of tomatoes (van Andel, 1962).…”

Section: Introductionmentioning

confidence: 99%

“…A correlation was established between the behaviour of a number of compounds, for the greater part amino acid analogues or derivatives of dithiocarbamic acid, as IAA antagonists and their chemotherapeutic activity against cucumber scab (van Andel, 1962). The derivatives of dithioearbamic acid just mentioned act probably as competitive inhibitors of IAA action, but phenylserine is supposed to have a more indirect effect (van Andel, 1962), which might be accounted for by an increased ability to breakdown IAA in tissue of phenylserine-treated plants.…”

Section: Introductionmentioning

confidence: 99%

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Shifts in disease resistance induced by growth regulators

Andel

1968

Netherlands Journal of Plant Pathology

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Experiments on the effect of various compounds with plant growth regulating activity led to the hypothesis that conditions inhibitory to indoleacetic acid (IAA) action or leading to a decrease in the IAA level in cucumber seedlings would be unfavourable for the development of cucumber scab, caused by Cladosporium cucumerinum. Susceptibility decreased as the result of treatment with growth retardants, which cause an increase in IAA-oxidase activity in the plants, whereas application of indoleacetic acid or compounds expected to decrease the rate of oxidative breakdown of IAA in the seedlings resulted in an increase of susceptibility. Growing the plants under various periods of illumination also influenced both the susceptibility of the plants and the IAA-oxidase activity in the hypocotyl tissue. To obtain further information about the relation between the increase in resistance and the increase in the rate of IAA oxidation, the effect of one compound, viz. Lthreo-~-phenylserine (abbr. phenylserine) was studied in more detail. The rate of oxidative breakdown of IAA was increased in extracts of hypocotyls and cotyledons of plants treated with phenylserine as compared with extracts of tissue of untreated plants. Extracts of phenylserine-treated plants were found to contain a higher cofactor and/or a lower inhibitor content than those of control plants. The substances involved were not identified, but this result may indicate a shift in the concentrations of various phenols in the tissue. The question must remain open whether a shift in the concentration of phenols somehow effected by phenylserine treatment determines both degree of susceptibility and rate of IAA oxidation independently, or whether the rate of IAA breakdown and the resulting change in IAA content in the plants is directly related to the degree of susceptibility.

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Section: Introductionmentioning

confidence: 84%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Shifts in disease resistance induced by growth regulators

Andel

1968

Netherlands Journal of Plant Pathology

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The systemic action of dimethyldithilocarbamates on cucumber scab caused byCladosporium cucumerinum and the conversion of these compounds by plants

Dekhuijzen¹

1964

Netherlands Journal of Plant Pathology

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covered with filter paper. The condensation-water evaporated from the filter paper by those parts which projected fi'om the glass box. After two days the strips showed a light red colour caused by growth of the fungus except on the spots which contained a fungitoxic compound. When necessary for quantitative purposes the inhibition zones were measured by a planimeter. e. Paper-spot bioassaySap to be tested for fungitoxicity was added to one spot of a strip of WHAT-MAN 3MM paper. The diameter of the spot was about 0.5 cm. The spot was dried in an air-current at 30~ The paper, placed on a metal frame, was sprayed with a conidial suspension of G. cingulata and incubated as described under d. The areas of the inhibition zones were measured by a planimeter. f. Dimethyldithiocarbamates

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Heden en toekomst van de fytopathologie in Nederland

Oort

1966

Netherlands Journal of Plant Pathology

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Growth Regulating Effects of Amino Acids and Dithiocarbamic Acid Derivatives and their Possible Relation with Chemotherapeutic Activity¹)

Cited by 11 publications

References 18 publications

Shifts in disease resistance induced by growth regulators

Shifts in disease resistance induced by growth regulators

The systemic action of dimethyldithilocarbamates on cucumber scab caused byCladosporium cucumerinum and the conversion of these compounds by plants

Heden en toekomst van de fytopathologie in Nederland

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Growth Regulating Effects of Amino Acids and Dithiocarbamic Acid Derivatives and their Possible Relation with Chemotherapeutic Activity1)

Cited by 11 publications

References 18 publications

Shifts in disease resistance induced by growth regulators

Shifts in disease resistance induced by growth regulators

The systemic action of dimethyldithilocarbamates on cucumber scab caused byCladosporium cucumerinum and the conversion of these compounds by plants

Heden en toekomst van de fytopathologie in Nederland

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Growth Regulating Effects of Amino Acids and Dithiocarbamic Acid Derivatives and their Possible Relation with Chemotherapeutic Activity¹)