Comparative Effects of 2,4-Dichlorophenoxyacetic Acid on Nitrate Metabolism in Corn and Cucumber.

Some effects of 2,4-dichlorophenoxyacetic acid on soluble nucleotides & nucleic acid of soybean seedlings.

One of the most marked biochemical changes in plants knowvn to accompany 2,4-D4 treatments is the increase in nucleic acid. Rebstock et al (33) found the nucleic acid content to double in the stems of bean plants after 2,4-D treatment. Similar increases in the RNA content of 2,4-D-treated cucumber plants were reported by West et al (40); 2.4-D treatment was also shown to alter the RNA content o...

Effect of 2,4-Dichlorophenoxyacetic Acid and 2,4-Dinitrophenol on the Uptake and Metabolism of Exogenous Substrates by Corn Roots.

Studies in Plant Metabolism. IV. Comparative Effects of 2,4-Dichlorophenoxyacetic Acid and Other Plant Growth Regulators on Phosphorus Metabolism in Bean Plants.

Accumulated evidence has indicated that the physiological effect of 2,4-dichlorophenoxyacetic acid (2,4-D) in plants may function through its effect on processes of respiration (1, 2, 3, 4, 5) as well as on photosynthesis (6). Since the precise mechanism by which plant cells respond to 2,4-D has yet to be elucidated, and the participation of phosphorus in biological oxidation-reduction reaction...

Influence of 2,4-Dichlorophenoxyacetic Acid on Pathways of Glucose Utilization in Bean Stem Tissues.

2,4-Dichlorophenoxyacetic acid (2,4-D) is the best known selective herbicide for effective control of broadleafed weeds in monocotyledonous crops. Although the mechanisms by which 2,4-D acts on plants have not been elucidated, several lines of investigation have shown: A. Stimulatory and inhibitory effects on the respiration of pea and oat tissues, depending upon the concentrations employed (6)...

Interaction of 2,4-Dichlorophenoxyacetic Acid, Ethylene Chlorohydrin and Glutathione in the Stability of the Microsomal Ribonucleic Acid of Excised Cotton Cotyledons

The nucleic acids ot isolated plant tissues were first shown to be affected by plant growth regulators by Silberger and Skoog (1953). They showed that indoleacetic acid treatment would increase the level of ribonucleic acid (RNA) and deoxyribonucleic acid in tobacco pith tissue. Recently, experiments with excised stems of cucumber seedlings (West, Hanson and Key, 1960), and excised cotton cotyl...