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List of Articles ابراهیم غلامعلی پور علمداری

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1 - Possible Use of the Chlorophyll Meter for Diagnosing Nitrogen Deficiency in Early Growth Stage of Tobacco under Field Condition
Mohammadtaghi shamelrostami Abbas Biabani Abdollatif Gholizadeh Hosein Sabouri Ebrahim Golamalipour Alamdari

Nitrogen is one of the most essential nutritional element in growth and a determining factor in tobacco yield. Therefor, rate and timing of nitrogen application is very important for growth of this plant. The purpose of this study is to use SPAD values to estimate nitro More

Nitrogen is one of the most essential nutritional element in growth and a determining factor in tobacco yield. Therefor, rate and timing of nitrogen application is very important for growth of this plant. The purpose of this study is to use SPAD values to estimate nitrogen usage through correlation of SPAD value with yield and quality traits at different growth stages of tobacco. This study was conducted in a randomized complete block design on flue cured tobacco (K-326 cultivar) in Tirtash Tobacco Research and Education Center for two years (2015 and 2016). Treatments consisted of three nitrogen level (20, 40 and 60 kg.ha-1) and three application methods of nitrogen (1- two parts of nitrogen broadcasted before planting + one part of nitrogen as side dressing, 2- one part of nitrogen before planting + one part as first side dressing + one part as second side dressing, 3- two parts of nitrogen fertilizer as strip application + one part as side dressing) and a control (without fertilizer treatment). Chlorophyll meter (SPAD-502) was used in 40, 50 and 60 days after planting for greenness of lower, middle and upper leaves and various parts of the leaves (top, middle and bottom). During the growing season, length and width of upper, middle and lower leaves, green and dry leaf weights, average price and gross income were determined. The results showed that green and dry leaf weights were increased by increasing nitrogen application and this was significant at %1 probability level. The highest correlation between SPAD value and upper leaves yields of 40 days transplanting was R2=0.86 and middle leaves yield after 50 days of transplanting was R2=0.89 which were the best leaves for estimating tobacco nitrogen usage. Average price of tobacco was decreased as nitrogen use increased and highest gross income was obtained by using 20 kg nitrogen with 3 split applications. Manuscript profile
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2 - Chemical and Mechanical Control of Soybean (Glycin max L.) Weeds
Ebrahim Gholamalipour Alamdari Taher Erteghzadeh Abbas Biabani Ali Nakhzari Moghadam

To evaluate effects of the various concentrations of two herbicides of the trifluralin and Imazethapyr and weeding on weeds control, yield and yield components of soybean (Glycin max L.), an experiment was carried out based on randomized complete block design with three More

To evaluate effects of the various concentrations of two herbicides of the trifluralin and Imazethapyr and weeding on weeds control, yield and yield components of soybean (Glycin max L.), an experiment was carried out based on randomized complete block design with three replications at the Agriculture Land of Ghravolhaji Village in Kallale district of Golestan province in 2014. Treatments consisted of planting soybean under weeding, without weeding and application of trifluralin and Imazethapyr as 100% trifluralin, 75% trifluralin + 25% Imazethapyr, 50% trifluralin + 50% Imazethapyr, 25% trifluralin + 75% Imazethapyr, 100% pursuit, 100% Imazethapyr + 25% trifluralin, 25% Imazethapyr + 100% trifluralin, 100% Imazethapyr + 50% trifluralin and 50% Imazethapyr + 100% trifluralin. density of each weed, their total density and inhibition percentage were measured. Results showed that the effect of chemical weed control on all traits measured, except seed number per pot, 1000 seed weight, content of chlorophyll a and total chlorophyll, were significant. The highest leaf area, plant height, number of pods per plant, aerial plant dry weight, seed number per plant and seed weight per plant were observed in the treatment of the 100% Imazethapyr (238.67 cm2), weeding (57.69 cm), both treatments of weeding (33.10) and 25% Imazethapyr +100% trifluralin (28.3), both treatment of weeding (163.92 g) and 100%  Imazethapyr (163.70 g), weeding (67.10 seed per plant), both treatment of weeding and 100%  Imazethapyr + 50% trifluralin (10.27 seed per plant) respectively. The highest seed yield was obtained from weeding treatment (2383 kg/h). Based on the results, the highest content of protein and chlorophyll b in soybean were obtained from weeding treatment. The highest inhibition percentage of weeds was found in the additional treatment of 50% Imazethapyr + 100% trifluralin (75.19) and 100% Imazethapyr + 25% trifluralin (72.86). The lowest and highest total phenols content and proteins also were obtained in the treatment of 100% trifluralin. Although treatments mentioned above had inhibitory effects on weeds they also decreased the yield components and seed yield of the soybean. Manuscript profile

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List of Articles ابراهیم غلامعلی پور علمداری