Volume 13, Issue 60 (vol. 13, no. 60 2024)
2024, 13(60): 93-106 |
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Azadbakht S, Rafiee M, Khorgami A. Biochemical response of grain sorghum cultivars to drought stress and mycorrhiza. Plant Process and Function 2024; 13 (60) : 6
URL: http://jispp.iut.ac.ir/article-1-1909-en.html
URL: http://jispp.iut.ac.ir/article-1-1909-en.html
1- Department of Agronomy and Plant Breeding, Khorramabad branch, Islamic Azad University, Khorramabad, Iran
2- Crop and Horticultural Science Research Department, Lorestan Agricultural and Natural Resources Research and Education Center, AREEO, Khorramabad, Iran ,rafieemasoud@yahoo.com
2- Crop and Horticultural Science Research Department, Lorestan Agricultural and Natural Resources Research and Education Center, AREEO, Khorramabad, Iran ,
Abstract: (423 Views)
Low irrigation is one of the ways to reduce water consumption in heat-loving and water-loving crops. On the other hand, the use of mycorrhiza as a biofertilizer is also one of the effective solutions in increasing the absorption of water and nutrients in the conditions of water shortage stress. In addition, the selection of varieties compatible with the region in order to achieve production potential is another way to deal with drought stress in each region. For this purpose, the effect of irrigation regime at three levels of 80 (control), 120 (mild stress) and 160 (severe stress) mm of evaporation from the evaporation pan of class A and biofertilizer including application and non-application of mycorrhiza on three grain sorghum cultivars Kimia, Payam and Sepideh It was investigated in the form of randomized complete block design in the form of a split plot in the summer cultivation of 2016 in Kohdasht city of Lorestan. The results showed that the amount of zinc, copper, manganese and iron in the seeds decreased with the increase in water shortage, but the crude protein content of the seeds increased. The application of mycorrhiza mainly increased the essential elements in shoots and seeds and helped to moderate water deficit stress. The presence of interaction between the factors indicated the different response of cultivars at the levels of mycorrhizal application to water deficit stress in terms of many traits; so, in the conditions of extreme stress of water shortage, the highest increase in catalase and peroxidase observed in Kimia cultivar without mycorrhiza application and Sepideh cultivar with mycorrhiza application, respectively. Also, Sepideh variety with mycorrhiza application showed the highest reduction in chlorophyll b and total chlorophyll. In total, Sepideh cultivar with the use of mycorrhiza under the conditions of mild stress of water shortage while producing the highest grain yield and crude grain protein, saved irrigation water consumption.
Article number: 6
Type of Study: Research |
Subject:
Droughts Stress
Received: 2023/05/10 | Accepted: 2023/08/8 | Published: 2024/06/18
Received: 2023/05/10 | Accepted: 2023/08/8 | Published: 2024/06/18
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