tahere jahantigh; Abdolshakoor Raissi; Hossein Piri
Abstract
Objective: This research was carried out with the aim of investigating the effect of Biofertilizers on some characteristics of guar in the crop year of 2018-2019 in Iranshahr city.
Methods: The research was carried out in the form of randomized complete block design with 8 treatments and 4 repetitions. ...
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Objective: This research was carried out with the aim of investigating the effect of Biofertilizers on some characteristics of guar in the crop year of 2018-2019 in Iranshahr city.
Methods: The research was carried out in the form of randomized complete block design with 8 treatments and 4 repetitions. Treatments include 1- Nitroxin (1 liter per hectare), 2- Mycorrhiza (200 kg per hectare), 3- Azotobacter (1 liter of fertilizer per 100 kg of seeds), 4- Rhizobium (1 liter of fertilizer per hectare), 5- Phosphate Barvar 2 (100 grams per hectare), 6- Phosphate Barvar 3 (100 grams per hectare), 7- Biosulfur (6 kg per hectare) and 8- control.
Results: The effect of fertilizers on most of the investigated characteristics was significant at the probability level of 1%. The effect of the treatments on the percentage of mucilage was significant at the five percent probability level. The highest biological yield (14.66), number of lateral branches (11.78), harvest index (31.79), plant height (166.53 cm), number of seeds per plant (52.47), seed yield (kg 4438/13 ha), seed nitrogen percentage (5.475), seed protein percentage (32.71), ash percentage (0.173), mucilage percentage (25.860) and swelling factor (1.83 ml) under the influence Nitroxin biofertilizer was obtained. The highest number of seeds in pod (5.17) and the weight of one thousand seeds (35.67 gr) were obtained under the effect of biosulfur biofertilizer.
Conclusion: Among the investigated treatments, nitroxin biofertilizer and then biosulfur had a relatively greater effect on most of the quantitative and qualitative characteristics of the guar plant.
Faezeh Samandari Bahr Aseman; Anahita Rashtian; Afagh Tabandeh Saravi; Mojtaba Soleimani Sardo
Abstract
Objective: Considering the importance (Thymus vulgaris L.) and the effects of seaweed extract and salicylic acidpriming in increasing drought resistance at different stages of plant growth, an experiment was done as a factorial layout based on a completely randomized factorial design with three replications ...
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Objective: Considering the importance (Thymus vulgaris L.) and the effects of seaweed extract and salicylic acidpriming in increasing drought resistance at different stages of plant growth, an experiment was done as a factorial layout based on a completely randomized factorial design with three replications in the research greenhouse of Jiroft University (2020).Methods: Three levels of 100% (control), 50%, and 35% field capacity were considered as test factors for drought treatment, seed preparation and seedling spraying including zero (control), 0.3%, 3.5%, and 1% algal extract and 1mM salicylic acid, 2 mM salicylic acid and composition of algae, and salicylic acid extract were considered as second factors.Results: The results of this study showed a significant difference in examined factors such as germination rate, root, and shoot length and root and shoot weight treatment at a 1% probability level and in drought stress treatment of 35%, salicylic acid priming treatment had the best performance with an improvement of 6 traits compared to the control. The results of the foliar application of seedlings also showed that the highest shoot weights of seedlings were under the combined treatment of algal extract plus salicylic acid treatment.Conclusion: General results showed that priming and foliar spraying with salicylic acid had been more effective than algae extract on plant drought resistance, and of course, the combined treatment of salicylic acid and salicylic acid extract plus algae extract with a higher concentration is able to improve plant resistance to drought in the vegetative stage.
hossein gorgini shabankareh; sarah khorasaninejad
Abstract
In order to study the effects of salicylic acid levels and bio-fertilizers on the growth characteristics, essential oil yield and elements concentration of Rosmarinus officinalis, an experiment was conducted as factorial based on randomized complete block design with three replications at research farm ...
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In order to study the effects of salicylic acid levels and bio-fertilizers on the growth characteristics, essential oil yield and elements concentration of Rosmarinus officinalis, an experiment was conducted as factorial based on randomized complete block design with three replications at research farm of Gorgan University of Agricultural Sciences and Natural Resources, during growing season of 2015-16. The treatments were salicylic acid including three levels: (0, 5 and 10 mlg/l), two concentrations of bio-fertilizers (nitroxin, biophosphor) and four levels of irrigation regimes: (40, 60, 80 and 100 %The results showed that irrigation regimes had significant effect on shoot height, wet and dry weight, number of shoot, essential oil yield and Nitrogen and Phosphorus. Salicylicacid with 10 mlg/l had significant effect on all of traits and this effect was increased of salicylicacid. Nitroxin increased all of the traits except of P and salicylicacid was caused to decrease negative effects of low irrigation regimes. The highest of shoot height, plant wet and dry weight, shoot number, nitrogen and essential oil yield were obtained with nitroxin and 100percent FC irrigation regime and highest of essential oil yield and P were observed in 40percent FC irrigation regime. Also the highest amount of P was obtained with biophosphor and 100percent FC irrigation regimes. The results of this research showed that the using of bio-fertilizers and salicylic acid can be useful for reducing drought stress.
Kerametollah Saeidi; Fatemeh Sefidkon; Alireza Babaei
Abstract
In this investigation some chemical and morphological properties of dog rose fruit in 10 regions of north Iran were measured. Results showed significant difference between traits in studied regions. Beta-carotene ranged between 0.05 – 0.323 (mg/g FW). Total soluble carbohydrate varied from 5.9 ...
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In this investigation some chemical and morphological properties of dog rose fruit in 10 regions of north Iran were measured. Results showed significant difference between traits in studied regions. Beta-carotene ranged between 0.05 – 0.323 (mg/g FW). Total soluble carbohydrate varied from 5.9 – 23.3%. The highest content of total anthocyanin 23.7 and the lowest was 7.71(mg/L cyanidin-3-glucoside). The highest and lowest amount of TSS in regions under study was 15.72 and 34.9%, respectively. GGE biplot method used for studying effect of different regions on chemical and morphological properties. IR56 accession had highest amount of beta-carotene according to the polygon. The highest content of and total anthocyanin obtained from IR51. Pearson’s coefficients showed that fruit weight had significantly correlation with fruit flesh. Fruit length had significantly correlation with fruit width. Also Total soluble carbohydrate correlation with total anthocyanin and TSS was significant. Obtained results from this study could be used in the future breeding program of dog rose.