List of Articles
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Open Access Article
1 - Gibberellic Acid Application and Wheat Production
MOHAMMAD HASHEM AZIZI1*, ALI SOLEYMANI1,2*, AND HAMID REZA JAVANMARD1 1Department of Agronomy and Plant Breeding, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran; 2Plant Improvement and Seed Production Research Center, Isfahan (Khorasgan) Branch, Isl MoreMOHAMMAD HASHEM AZIZI1*, ALI SOLEYMANI1,2*, AND HAMID REZA JAVANMARD1 1Department of Agronomy and Plant Breeding, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran; 2Plant Improvement and Seed Production Research Center, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran * Corresponding Author E-mail: a.soleymani444@gmail.com Received: 25 October 2023 Accepted: 10 Jounary 2024 ABSTRACT Gibberellic acid (GA3) is known as important plant growth regulators which are also considered to induce various physiological responses in plants, which is unduly suited for improving and stimulating, photosynthetic activity, and plant growth. Gibberellic acid, a tetracyclic di-terpenoid compound which is known as a plant hormone stimulating plant growth and development. Gibberellins may have an important function in different metabolic pathways influencing several characteristics, such as nitrogen redistribution, nitrogen metabolism, translocation of assimilates, chlorophyll production and degradation. This review article aims to provide an overview of the effects of gibberellic acid on yield and yield components of wheat and survey of different mechanisms of action of gibberellic acid in different plants. The keywords searches for gibberellic acid, wheat, root growth, gibberellin, plant hormone, and plant growth were performed by using PubMed, Google scholar, Scopus, and Web of Science. Manuscript profile -
Open Access Article
2 - How Temperature Stress, Fertilizer and Cultivar Affect the Essence of Savory Plant (Satureja hortensis L.)
ABSTRACT To investigate the mutual effects of temperature stress, fertilizer and cultivar on the essence of savory, a study was carried out in Isfahan (2018) as a split plot experiment in the form of randomized complete blocks design with three replications. Main plots MoreABSTRACT To investigate the mutual effects of temperature stress, fertilizer and cultivar on the essence of savory, a study was carried out in Isfahan (2018) as a split plot experiment in the form of randomized complete blocks design with three replications. Main plots were fertilizer in four levels (gibberellic acid, micro fertilizer, amino acid and normal water as control) whereas subplots were three cultivars (Mutica, Bakhtiari and Khouzestani). The planting dates of April 20th, June 20th and May 20th were implemented as three temperature conditions separately, and finally combined analysis was carried out on all three dates. Measured traits were essential oil efficiency, alpha-pinene, alpha terpinene, and gamma-terpinene. According to results, treatments affected plant traits significantly and the combination of Mutica cultivar, micro fertilizer and low temperature showed produced the highest essential oil and its compounds. Keywords: Savory, Temperature stress, Cultivar, Fertilizer, Essence. Manuscript profile -
Open Access Article
3 - Investigating the Effect of Different Amounts and Sources of Nitrogen on Quantitative and Qualitative Characteristics of Rice
NATIQ JAFAR ALI AL-KHAZALI1 AND MOHAMMAD MIRZAEI HEYDARI2* 1- MSc graduated, Department of Production Engineering and Plant Genetics, faculty of Agriculture and Natural Resources, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran. 2- Department of Pro MoreNATIQ JAFAR ALI AL-KHAZALI1 AND MOHAMMAD MIRZAEI HEYDARI2* 1- MSc graduated, Department of Production Engineering and Plant Genetics, faculty of Agriculture and Natural Resources, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran. 2- Department of Production Engineering and Plant Genetics, Faculty of Agriculture and Natural Resources, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran. * Corresponding author. E-mail address: mirzaeiheydari@yahoo.com Received: 5 September 2023 Accepted: 10 Jounary 2024 ABSTRACT The present study was conducted in the agricultural year of 2022-2023 in the climatic conditions of Khorramabad city. The experiment was conducted as a basic design of randomized complete blocks with 3 replications. The treatments include N1: nano-nitrogen fertilizer, according to the soil test result and fertilizer recommendation, N2: nano-nitrogen fertilizer, according to the twice fertilizer recommendation, N3: nano-nitrogen fertilizer, half the fertilizer recommendation, N4: fertilizer Normal nitrogen chemical fertilizer with a concentration (90 Kg ha-1) and according to Cody's recommendation, N5: Normal nitrogen chemical fertilizer with a concentration (180 Kg ha-1) double the recommended N6 fertilizer: Normal nitrogen chemical fertilizer with a concentration (45 Kg ha-1) half of the recommendation Fertilizer, N7: combination of nitrogen fertilizer (half of nano nitrogen + half of normal nitrogen chemical fertilizer), control: no fertilizer. The results showed that the highest seed yield in N3, was 5767 Kg ha-1, and the lowest yield was 3383 Kg ha-1 in the control. The highest biological yield was obtained in N5 amount of 18632 Kg ha-1 and the lowest amount was obtained in the control of 10957 Kg ha-1. On the other hand, the increase in nitrogen fertilizer plays an important role in the growth of rice. Increasing the supply of nitrogen through fertilizer has improved the process of photosynthesis, and the absorption of nutrients, and as a result, increased the quantity and quality of yield. In general, the combination or use of nitrogen fertilizers and nitrogen nano-fertilizers in rice cultivation has led to improved growth, increased production, and improved product quality. Keywords: Plant height, Rice, Nitrogen, Nano fertilizer, Growth, Grain yield. Manuscript profile -
Open Access Article
4 - Effect of Harvesting Time on Chemical Components of Sage (Salvia officinalis L.) From Iran
ABSTRACT Sage (Salvia officinalis L.) is perennial shrub and is one of the most important medicinal plants of the Lamiaceae family. The objective of this study was to evaluate the effect of different harvesting stages on contents, and essential oil components of sage. MoreABSTRACT Sage (Salvia officinalis L.) is perennial shrub and is one of the most important medicinal plants of the Lamiaceae family. The objective of this study was to evaluate the effect of different harvesting stages on contents, and essential oil components of sage. The essential oil from the aerial parts of the plant that were collected at different times was extracted by hydro-distillation in 2021 in the province of Isfahan in center Iran. Plants were harvested in four stages, i.e. the before blooming, beginning of blooming, full blooming and fruit stage. Results of mean comparisons revealed that the highest oil percentage (1.7%) was obtained at the stage of before blooming and the lowest oil percentage (0.36%) was obtained at the stage of fruit set. Based on results obtained from GC/MS analysis, in total, 39, 36, 32 and 37 constituents were identified in the essential oils of sage in the before blooming, beginning of blooming, full blooming and fruit stages, respectively. The major identified essential oil compounds were α-thujone (26.18–39.53%), camphor (10.39–19.78%), β-thujone (4.65–14.12%) and 1,8-cineol (7.75–13.98%). α-thujone as one of the major constituents of all samples was lower in the stage of before blooming (26.18%) and gradually increased in subsequent harvesting times to reach a maximum in the fruiting set (39.53%). Camphor was another compound where the highest (19.78%) was observed in beginning of blooming stage. The results showed that the harvesting time may have a significant effect on the essential oil yield and composition of sage. Our findings in sage, may pave the way to optimize the quality and quantity of sage essential oil to identify the best harvest time for pharmaceutical industries. Keywords: Salvia officinalis L., Chemical constitutes, Essential oil, Harvest time. Manuscript profile -
Open Access Article
5 - Effect of Harvesting Time on Chemical Components of Sage (Salvia officinalis L.) From Iran
ABSTRACT Sage (Salvia officinalis L.) is perennial shrub and is one of the most important medicinal plants of the Lamiaceae family. The objective of this study was to evaluate the effect of different harvesting stages on contents, and essential oil components of sage. MoreABSTRACT Sage (Salvia officinalis L.) is perennial shrub and is one of the most important medicinal plants of the Lamiaceae family. The objective of this study was to evaluate the effect of different harvesting stages on contents, and essential oil components of sage. The essential oil from the aerial parts of the plant that were collected at different times was extracted by hydro-distillation in 2021 in the province of Isfahan in center Iran. Plants were harvested in four stages, i.e. the before blooming, beginning of blooming, full blooming and fruit stage. Results of mean comparisons revealed that the highest oil percentage (1.7%) was obtained at the stage of before blooming and the lowest oil percentage (0.36%) was obtained at the stage of fruit set. Based on results obtained from GC/MS analysis, in total, 39, 36, 32 and 37 constituents were identified in the essential oils of sage in the before blooming, beginning of blooming, full blooming and fruit stages, respectively. The major identified essential oil compounds were α-thujone (26.18–39.53%), camphor (10.39–19.78%), β-thujone (4.65–14.12%) and 1,8-cineol (7.75–13.98%). α-thujone as one of the major constituents of all samples was lower in the stage of before blooming (26.18%) and gradually increased in subsequent harvesting times to reach a maximum in the fruiting set (39.53%). Camphor was another compound where the highest (19.78%) was observed in beginning of blooming stage. The results showed that the harvesting time may have a significant effect on the essential oil yield and composition of sage. Our findings in sage, may pave the way to optimize the quality and quantity of sage essential oil to identify the best harvest time for pharmaceutical industries. Keywords: Salvia officinalis L., Chemical constitutes, Essential oil, Harvest time. Manuscript profile