Effect of nitrogen fertilizer, inoculation with mycort fungus and foliar spraying of cytokinin on yield and yields component of wheat sardari cultivar under rainfed conditions

Document Type : Research Paper

Author

Department of agronomy, Faculty agriculture, Islamic Azad university ,Mahabad branch

10.22124/jms.2023.7675

Abstract

To investigate the effect of different levels of Mycort fungus, nitrogen fertilizer and cytokinin hormone on yield and yield components of wheat, an experiment was conducted in 2018-19 crop year. The experimental design was a factorial based on randomized complete block with three replications. The first factor was organic fertilizer of mycorrhizal fungus (2, 4 and 6 kg/100 kg seeds), the second factor was nitrogen fertilizer (zero, 25 and 50 kg/ha) and the third factor was cytokinin foliar application (control, foliar application at flowering and grain filling). The results of mean comparisons showed that levels of 25 and 50 kg/ha of nitrogen fertilizer increased the number of grains compared to the control treatment by 44.23 and 32.69%, respectively.resultsshowed that inoculation with 2 and 4 kg/100 kg of seeds along with the application of 25 kg / ha of nitrogen had the highest spike length and number of fertile spikes. The highest number of fertile spikes, number of grains per spike, 1000-kernal weight, grain yield and harvest index were assigned to seed inoculation treatment with 4 kg of mycorta and cytokinin foliar application at grainclosure stage. Also, foliar application of cytokinin in the graining stage along with the application of 25 kg / ha of nitrogenfertilizer had the highest number of spikes, 1000-kernal weight, biological yield and grain yield.

Keywords


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