Effect of salicylic acid on growth and enzyme activities of wheat seedlings

2005 ◽  
Vol 53 (4) ◽  
pp. 433-437 ◽  
Author(s):  
S. Hayat ◽  
Q. Fariduddin ◽  
B. Ali ◽  
A. Ahmad
Keyword(s):  
Triticum Aestivum ◽  
Salicylic Acid ◽  
Carbonic Anhydrase ◽  
Nitrate Reductase ◽  
Aqueous Solutions ◽  
Enzyme Activities ◽  
Dry Mass ◽  
Leaf Number ◽  
Wheat Seedlings ◽  
Fresh And Dry Mass

grains of wheat (Triticum aestivumL. cv. Raj-3077) were soaked in 0, 10-5, 10-4or 10-3 M aqueous solutions of salicylic acid (SA) for 3, 6 or 9 h. The seedlings raised from grains pre-treated with 10-5 M SA possessed significantly higher leaf number, fresh and dry mass per plant, and nitrate reductase and carbonic anhydrase activities 30 and 40 days after sowing. However, 10-3 M SA reduced all the above-mentioned parameters.

scholarly journals Impact of aluminium (al3+) stress on germination and seedling growth of five wheat genotypes

2019 ◽  
Vol 17 (1) ◽  
pp. 65-76
Author(s):  
SC Sarker ◽  
SR Ghosh ◽  
MJ Hossain ◽  
RC Ghosh ◽  
S Razia ◽  
...  
Keyword(s):  
Dry Mass ◽  
Morphological Characters ◽  
Germination Percentage ◽  
Leaf Sheath ◽  
Leaf Length ◽  
Chemistry Laboratory ◽  
Wheat Seedlings ◽  
Root And Shoot Length ◽  
Fresh And Dry Mass ◽  
Physiology Laboratory

A Petridish and hydroponic culture experiments were conducted at Crop Physiology Laboratory, Department of Crop Botany and Agriculture Chemistry Laboratory, Bangladesh Agricultural University, Mymensingh during the period from August to October 2011 to investigate the effect of aluminium on morphological characters and growth of wheat seedlings. The experiment comprised of two levels of aluminium concentrations viz., 0 μM (control) and 100 μM and five varieties viz; Kanchan, Shatabdi, Sourav, Bijoy (BARI-23) and Sufi (BARI-22). The experiment was laid out in two factors completely randomized design with three replications. Applications of 100 μM aluminium had a profound influence on hypocotyls and epicotyls length, germination percentages, and rootshoot length, fresh and dry mass production in wheat. Results indicated that germination percentage, hypocotyls and epicotyls length, root and shoot length, leaf length, leaf sheath length, plant height, fresh and dry mass plant were greater in control than aluminium stress conditions. It revealed that wheat seedlings are susceptible to aluminium stress. However, among the varieties, the reduction of dry mass under aluminium stress was minimum in Shatabdi followed by Kanchan showed that Shatabdi was more tolerant to aluminium stress than the other varieties namely Sourav, Bijoy (BARI-23) and Sufi (BARI-22). Sufi and Sourav were more susceptible to aluminium stress. SAARC J. Agri., 17(1): 65-76 (2019)

The Effect of Salicylic Acid on Resistance in Wheat (Triticum aestivum) Seedling Roots Against the Take-All Fungus, Gaeumannomyces graminis var tritici

1996 ◽  
Vol 44 (4) ◽  
pp. 499 ◽  
Author(s):  
S Seah ◽  
K Sivasithamparam ◽  
DW Turner
Keyword(s):  
Triticum Aestivum ◽  
Salicylic Acid ◽  
Wheat Seedling ◽  
Triticum Aestivum L ◽  
Gaeumannomyces Graminis ◽  
Resistance Response ◽  
Wheat Seedlings ◽  
Seedling Roots ◽  
Wheat Seedling Roots ◽  
Take All

The effect of salicylic acid (SA) applied as foliar dip, foliar wipe, root drench or pre-germination soak on the susceptibility of wheat (Triticum aestivum L.) seedlings to Gaeumannomyces graminis (Sacc.) Arx & Olivier var. tritici Walker (take-all fungus, Ggt) was studied. It was hypothesised that an increase in SA concentration applied using these methods would increase the resistance in wheat seedling roots against Ggt. Leaves (by foliar wipe and foliar dip) and roots (by root drench) of 1-2-week-old wheat seedlings grown in Lancelin sand, were treated with 0, 0.1 or 1 mM SA, and treatments of 0, 0.1 or 0.5 mM SA were applied in a pre-germination soak method. Ggt infection reduced (P Ͱ4 0.05) chlorophyll content and concentration and root length (P Ͱ4 0.10). Experiments that were conducted suggested that the SA treatments failed to induce a resistance response because they did not stimulate phenylalanine ammonia-lyase and peroxidase activities in the wheat seedling roots. Therefore, SA applied using these methods was not effective in reducing the susceptibility of wheat seedlings to Ggt. The chemical or biological induction of resistance in plant roots and its applicability as a root disease control strategy requires further clarification.

scholarly journals Salicylic acid mediated changes in growth, photosynthesis, nitrogen metabolism and antioxidant defense system in Cicer arietinum L.

2012 ◽  
Vol 58 (No. 9) ◽  
pp. 417-423 ◽  
Author(s):  
Q. Hayat ◽  
S. Hayat ◽  
M.N. Alyemeni ◽  
A. Ahmad
Keyword(s):  
Salicylic Acid ◽  
Nitrate Reductase ◽  
Glutamine Synthetase ◽  
Antioxidant Defense ◽  
Foliar Application ◽  
Glutamate Synthase ◽  
Antioxidant Defense System ◽  
Dry Mass ◽  
Defense System ◽  
Cicer Arietinum L

The present study reveals that the foliar application of salicylic acid (SA), irrespective of the concentration used, generated an increase of dry mass per plant, nodule dry mass and leghemoglobin content in chickpea plants. The activity of nitrogenase (E.C 1.18.6.1), nitrate reductase (NR) (E.C. 1.6.6.1), glutamine synthetase (GS) (E.C 6.3.1.2), glutamate synthase (GOGAT) (E.C 1.4.7.1) and glutamate dehydrogenase (GDH) (E.C 1.4.1.3) increased as well. Among the three concentrations of SA, the order of response was found to be 10<sup>&ndash;5</sup> mol/L &gt; 10<sup>&ndash;6</sup> mol/L &gt; 10<sup>&ndash;4</sup> mol/L &gt; control.

scholarly journals Salicylic Acid Concentrations and Its Effects on the Physiological Quality of Soybean Seeds

2019 ◽  
Vol 11 (17) ◽  
pp. 271
Author(s):  
Joner S. Dalcin ◽  
Ubirajara R. Nunes ◽  
Rodrigo Roso ◽  
Caren A. Müller ◽  
Fernanda A. A. L. Backes ◽  
...  
Keyword(s):  
Salicylic Acid ◽  
Dry Mass ◽  
Soybean Seeds ◽  
Distilled Water ◽  
Acid Solutions ◽  
Drastic Reduction ◽  
Seed Imbibition ◽  
Physiological Quality ◽  
Fresh And Dry Mass

The objective of this study was to evaluate the physiological quality of commercial soybean seeds submitted to different concentrations of salicylic acid (SA), directly on germination paper and gerboxes for 24 hours. Seeds of cultivars NA 5909 RG and Tec Irga 6070 RR were soaked in salicylic acid solutions with concentrations of zero, 250, 500, 750, 1000, 1500, 2000, 3000, 4000 and 5000 &mu;M. Seed imbibition occurred in two ways: (1) germination paper moistened with salicylic acid solutions; (2) imbibition of the seeds in salicylic acid solutions in gerbox boxes for 24 hours and subsequent sowing on germinated paper moistened with distilled water. On the fifth day after sowing, the number of normal seedlings (first count), length, fresh and dry mass of root and shoot were determined. It was concluded that the concentrations of SA between 250 and 750 &mu;M can be used in soybean seeds, however, above 1000 &mu;M may impair the parameters of physiological quality. The gerbox method for 24 hours provided the best results without the drastic reduction of the parameters in the lowest concentrations of SA.

scholarly journals Salicylic Acid and Its Effect on Physiological and Photosynthetic Parameters in Soybean Seedlings Under Water Deficit

2019 ◽  
Vol 11 (17) ◽  
pp. 280 ◽  
Author(s):  
Joner S. Dalcin ◽  
Ubirajara R. Nunes ◽  
Rodrigo Roso ◽  
Caren A. Müller ◽  
Fernanda A. A. L. Backes ◽  
...  
Keyword(s):  
Salicylic Acid ◽  
Water Deficit ◽  
Seed Quality ◽  
Dry Mass ◽  
Physiological Parameters ◽  
Photosynthetic Parameters ◽  
Retention Capacity ◽  
Soybean Seedlings ◽  
Fresh And Dry Mass ◽  
Shoot Mass

The objective of this study was to evaluate the photosynthetic and physiological parameters of soybean plants under water deficit after imbibition in different concentrations of salicylic acid during germination. The initial seed quality of the cultivar Bayer&reg;/Tec Irga 6070 RR was evaluated. The soybean seeds were soaked in 25 ml in the salicylic acid solution (SA) for 24 hours and the retention capacities of 30, 50 and 70% were adopted. Under controlled conditions, concentrations of zero, 250, 500, 750 and 1000 &micro;M, evaluating the variables length, fresh and dry mass of root and shoot. In the greenhouse, the concentrations of SA of zero, 500 and 1000 &micro;M were used. After 29 days of the seedling, the stomatal conductance, length, fresh and dry mass of root and shoot were evaluated. The results showed that the uptake of SA in the germination aided seedlings under water deficit. The retention capacity of 30% simulated the water deficit, damaging the physiological parameters of soybean seedlings in both environments. The concentrations of 500 and 1000 &micro;M of SA were efficient in the water deficit for the variables root length, fresh and dry shoot mass.

Circadian Rhythm of Nitrate Reductase (NADH) Activity in Wheat Seedlings Grown in Continuous Light

1976 ◽  
Vol 3 (4) ◽  
pp. 421 ◽  
Author(s):  
JA Upcroft ◽  
J Done
Keyword(s):  
Triticum Aestivum ◽  
Circadian Rhythm ◽  
Nitrate Reductase ◽  
Blue Light ◽  
Nitrite Reductase ◽  
Continuous Light ◽  
Rhythmic Activity ◽  
Triticum Aestivum L ◽  
Wheat Seedlings

A circadian rhythm of nitrate reductase (NADH) was observed when three cultivars of Triticum aestivum L. were grown in continuous light. The amplitude of the rhythm was greatest when the lamps used emitted both red and blue light. High rhythmic activity in roots occurred only when seedlings were germinated and grown in continuous light. Nitrite reductase was induced with no oscillation.

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