ahmad koochekzadeh; Abdolreza Siahpoosh; Mohammad Reza Moradi Telavat; maryam shafiee
Abstract
In order to evaluate the effect of salicylic acid and mycorrhizal in reducing salinity damage on the quantitative and qualitative yield of marigold a factorial pot experiment was conducted based on completely randomized design . This experiment was carried out with four replications in the Poldokhtar ...
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In order to evaluate the effect of salicylic acid and mycorrhizal in reducing salinity damage on the quantitative and qualitative yield of marigold a factorial pot experiment was conducted based on completely randomized design . This experiment was carried out with four replications in the Poldokhtar Payam Noor University in 2015. Experimental factors including salinity in 5 levels (Poldokhtar drinking water with electrical conductivity of 0.7 dS.m-1 is control), 2, 4, 6 and 8 dS.m-1, 4 levels of salicylic acid 0, 0.3, 0.6, and 0.9 mM and mycorrhiza was inoculated and no inoculated. The results showed that salinity reduced all the measured traits but only increased the antioxidant property. Consumption of Salicylic acid and mycorrhiza improved all the traits in salinity . The highest amount of chlorophyll a and b were in 0.7 dS-1 salinity and application of 0.6 mM salicylic acid with 0.115 and 0.207 mg.kg-1 fw, respectively which was significant with other treatments in 5%. Petal carotenoid was in 0.7 dS-1 salinity and application of 0.9 mM salicylic acid with 7.71 mg.kg-1 fw which was 15% higher than the same salinity and without using salicylic acid. The maximum of fresh weight of inflorescence content as economical yield with 12.56 gr.pot-1 was observed at 0.7 dS-1 salinity, 0.9 mM salicylic acid and mycorrhizal inoculation. Mycorrhiza increased 28 percent antioxidant properties and 21 percent colonization compared to the control treatment. Mycorrhiza by absorbing more water and nutrients in salinity improve the growing conditions of the plant and increase the yield.
Farinaz Angouti; Hasan Nourafcan; Sakineh Saeidi sar; Asad Asadi; Raheleh Ebrahimi
Abstract
An experiment was conducted to evaluate the effect of different levels of chitosan and salicylic acid on morphological traits of the medicinal plant Galega officinalis L. in field conditions in a completely randomized design with three replications in 2017 in the research farm of Islamic Azad University, ...
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An experiment was conducted to evaluate the effect of different levels of chitosan and salicylic acid on morphological traits of the medicinal plant Galega officinalis L. in field conditions in a completely randomized design with three replications in 2017 in the research farm of Islamic Azad University, Miyaneh Branch. The treatments included foliar application with four levels of salicylic acid (0.5, 1, 2, and 3 mM/l), foliar application with four levels of chitosan (0.2, 0.4, 0.6, and 0.8 g/l) and foliar application with distilled water (the control). The results showed that foliar application of biological stimulants had a significant impact on all evaluated traits, except plant height and leaf dry weight. By increasing the concentration of chitosan and salicylic acid, the fresh and dry weight of the stem have decreased so that the highest values in the two traits have belonged to the treatments of chitosan 0.4 and 0.2 g/l and 1 and 0.5 mM/l salicylic acid. Maximum number of internodes (with a numerical mean of 4.80), root length in chitosan treatment (0.4 g/l), and the highest number of leaf (at a concentration of 0.6 g/l chitosan) has been observed. In the study of leaf and root characteristics, chitosan with concentrations of 0.2 and 0.4 g/l and in inflorescence characteristics, salicylic acid with concentrations of 2 and 3 mM/l have been more effective. In general, the use of concentrations of 0.4 and 0.2 g/l chitosan have had a more optimal effect on the morphological traits of the medicinal plant Galega officinalis L., making it ultimately recommended thanks to its positive effect on most of the plant's growth characteristics due to its rapid absorption to achieve the desired yield in a sustainable agricultural path.
Sajad Sheikhpour; Alireza Sirousmehr; Barat Ali Fakheri
Abstract
In order to study the effects of nitrogen rates and nitroxin inoculation levels on quantitative traits of borage, a field experiment was conducted as split plots arrangement based on a randomized complete block design with three replications during growing season 2011-2012. Treatments consisted of four ...
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In order to study the effects of nitrogen rates and nitroxin inoculation levels on quantitative traits of borage, a field experiment was conducted as split plots arrangement based on a randomized complete block design with three replications during growing season 2011-2012. Treatments consisted of four nitrogen rates (0, 50, 100 and 150 kg/ha) and three nitroxin amounts (0, 0.5 L/ha Seed inoculation and 0.5 L/ha as a foliar application) which were allocated to main plots and sub plots, respectively. Result indicated that the treatments had significant effects on plant height, stem height, number of leaves, number of flowers per plant, number of branches, the yield of inflorescence and total dry yield of borage. The highest plant was related 100 kg/ha nitrogen + seed inoculation and the lowest value was achieved control. There was a significant interaction between nitrogen and nitroxin due to most traits. The highest inflorescence yield (1168.11 kg/ha) and yield of the plant (9294.01 kg/ha) were achieved by using 100kg/ha nitrogen + seed inoculation, which was 50% higher than the control.