Volume 13, Issue 63 (vol. 13, no. 63 2024)
2024, 13(63): 1-22 |
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yazdani M, akbari G, Seyed sharifi R. Effects of nitrogen and biofertilizers on the trend of changes in chlorophyll fluorescence components, yield and some traits of wheat (Triticum aestivum L.) var. Chamran. Plant Process and Function 2024; 13 (63) : 1
URL: http://jispp.iut.ac.ir/article-1-2016-en.html
URL: http://jispp.iut.ac.ir/article-1-2016-en.html
1- Department of Agronomy and Plant Breeding Sciences, College of Aburaihan, University of Tehran, Pakdasht, Iran
2- Department of Plant Production and Genetics, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, Iran ,raouf_ssharifi@yahoo.com
2- Department of Plant Production and Genetics, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, Iran ,
Abstract: (69 Views)
In order to study the effects of nitrogen and biofertilizers on the trend of changes in chlorophyll fluorescence components, grain yield and some traits of wheat (Triticum aestivum L.) var. Chamran, an experiment as factorial, was conducted based on a randomized complete block design with three replications at the research farm of the Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabil, in 2021–2022. The experimental factors included the application of biofertilizer at eight levels (control, Azotobacter, Glomus moseae, Glomus intradices, Glomus moseae with Azotobacter, Glomus intradices with Azotobacter, Glomus moseae and Glomus intradices, Glomus moseae and Glomus intradices with Azotobacter) and nitrogen rates at three levels (no application of nitrogen as a control, application of 100 and 200 kg urea/ha). The results showed that Azotobacter sp. and Mycorrhiza (Glomus moseae and Glomus intradices) and 200 kg urea/ha had the lowest electrical conductivity and minimum fluorescence. Biofertilizer application (Azotobacter, Glomus moseae and intradices) increased the chlorophyll index (56.31%), relative water content (63.03%), variable fluorescence (101.86%), maximum fluorescence (38.5%), quantum yield (45.77%) and grain yield (36.68%) in comparison with no application of nitrogen and biofertilizers. The maximum nitrogen use efficiency was observed in the application of 100 kg nitrogen/ha. Based on the results of this study, it seems that the application of biofertilizers (Azotobacter and Mycorrhiza) and 200 kg urea/ha by improving chlorophyll fluorescence components and some physiological traits such as electrical conductivity and relative water content increased the grain yield of wheat by about 36.6% in comparison with control (no application of nitrogen and biofertilizers).
Article number: 1
Type of Study: Research |
Subject:
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Received: 2024/01/8 | Accepted: 2024/06/2 | Published: 2024/12/24
Received: 2024/01/8 | Accepted: 2024/06/2 | Published: 2024/12/24
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