Assessment of Triazole Growth-Retarding Activity in an α-Amylase Bioassay Using Spring Barley Endosperm

Prusakova, L. D.; Chizhova, S. I.; Павлова, В. В.

doi:10.1023/b:rupp.0000035753.41438.d8

Cited by 3 publications

(2 citation statements)

References 9 publications

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“…Concentration dependencies of retardant activity of triazoles were obtained earlier during growth test with a long-stem pea variety Torsdag [20]. In experiments with 3-day-old seedlings of spring barley, uniconazole retarded growth more effectively than paclobutrazol and azovit.…”

Section: Resultsmentioning

confidence: 98%

“…Three derivates of triazoles, having growth-regulating activity, were tested: uniconazole [1-(4-chlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)-1-pent-3-ol] (Sumitomo Chemical, Japan); azovit [1-(4- Preliminary estimates of retardant activity of paclobutrazol, uniconazole, and azovit were made with a growth biotest on 3-day-old seedlings of long-stem pea ( Pisum sativum L., cv. Torsdag), and with a biotest based on induction of exogenous GA 3 activity of α -amylase in barley endosperm [20]. Laboratory experiments with barley seedlings were made in a phytotron at 26 ° C and relative humidity of 39.5%.…”

Section: Methodsmentioning

confidence: 99%

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Abscisic acid content and growth of spring barley plants treated with triazoles

Chizhova

Павлова

Prusakova

2005

Russ J Plant Physiol

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Effects of triazolium compounds (paclobutrazol, uniconazole, and azovit), applied under laboratory and greenhouse conditions, on growth of barley plants ( Hordeum vulgare L., cvs. Moskovskii 2 and Zazerskii 85) and ABA content in their tissues were studied for the first time. At various application techniques, the retardants suppressed growth of axial organs, promoted thickening and strengthening of lower internodes, and caused a considerable increase in ABA content. These changes were observed already on the next day after spraying plants with retardants and maintained for two weeks after the spraying treatment. At the same time, the retardant action sustained for 42 days when the retardants were applied to soil. The triazoles had positive effects on plant productivity characteristics, such as the number of filled grains in the main spike, total weight of grain per plant (grain collected from the main and lateral spikes), and the weight of 1000 grains. It was concluded that the retardant effect of triazoles on spring barley plants is related to elevated ABA content in plant tissues over a prolonged growth period.

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Section: Resultsmentioning

confidence: 98%

Section: Methodsmentioning

confidence: 99%

Abscisic acid content and growth of spring barley plants treated with triazoles

Chizhova

Павлова

Prusakova

2005

Russ J Plant Physiol

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Improving Growth, Yield Quality and Chemical Constituents of Sesame Plants by Foliar Application of Ascorbic Acid, Benzyl Adenine and Paclobutrazol

Ewais

Sharaf

El-Azim

et al. 2013

Al-Azhar Bulletin of Science- Basic Science Sector

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The effect of ascorbic acid (50 and 100 ppm), benzyl adenine (50 and 100 ppm) and paclobutrazol (25 and 50 ppm) foliar application on growth, yield and some physiological parameters of sesame (Sesamum indicum var. Shandawil 3) plants were determined. All treatments caused a great improvement in growth parameters (shoot height, root lengths and number of leaves as well as fresh and dry weights of shoots and roots) of the developed plants. Paclobutrazol was more effective than other treatments in enhancing chlorophyll contents and carotenoid content. The results also showed that nearly all of the treatments tended to increase total soluble carbohydrates and protein contents in sesame plants. The changes in proteolytic, amylolytic and lipolytic activities were also recorded. This was associated by improving yield quality and the nutritional value of the seeds. The effect of paclobutrazol was superior to that of ascorbic acid, benzyl adenine on increasing yield components. The percentage of the highest lipid was recorded by 50 ppm of ascorbic acid, whereas the highest carbohydrates and proteins of the yielded seeds were observed with plants treated with 100 ppm benzyl adenine.

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Effect of Ascorbic Acid, Benzyl Adenine and Paclobutrazol on Growth, Yield and Some Metabolic Constituents of Sunflower Plants

Ewais

2013

Al-Azhar Journal of Pharmaceutical Sciences

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A field experiment was conducted to study the effect of foliar spray of ascorbic acid (50 and 100 ppm), benzyl adenine (50 and 100 ppm) and paclobutrazol (25 and 50 ppm) on growth, yield and some physiological parameters of (Helianthus annuus var. Sakha 53). Ascorbic acid was more effective than other treatments in enhancing growth parameters during stage I, while benzyl adenine was most effective during stage II. Paclobutrazol seemed to be less effective regarding growth characteristics. All doses applied tended to increase photosynthetic pigments, total soluble carbohydrates and soluble proteins of sunflower plants. The changes in proteolytic, amylolytic and lipolytic activities were also recorded. This was associated by improving yield quality and the nutritional value of the seeds. The effect of paclobutrazol was superior to that of ascorbic acid, benzyl adenine on increasing yield components. The highest lipid % was recorded by 50 ppm of ascorbic acid, whereas the highest carbohydrates and proteins of the yielded seeds were observed with plants treated with 100 ppm benzyl adenine.

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Assessment of Triazole Growth-Retarding Activity in an α-Amylase Bioassay Using Spring Barley Endosperm

Cited by 3 publications

References 9 publications

Abscisic acid content and growth of spring barley plants treated with triazoles

Abscisic acid content and growth of spring barley plants treated with triazoles

Improving Growth, Yield Quality and Chemical Constituents of Sesame Plants by Foliar Application of Ascorbic Acid, Benzyl Adenine and Paclobutrazol

Effect of Ascorbic Acid, Benzyl Adenine and Paclobutrazol on Growth, Yield and Some Metabolic Constituents of Sunflower Plants

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