Mitigation of Osmotic Stress in Cotton for the Improvement in Growth and Yield through Inoculation of Rhizobacteria and Phosphate Solubilizing Bacteria Coated Diammonium Phosphate

Muhammad Majid, Muqarrab Ali, Khurram Shahzad, Fiaz Ahmad, Rao Muhammad Ikram, Muhammad Ishtiaq, Ibrahim A. Alaraidh, Abdulrahman Al-hashimi, Hayssam M. Ali, Tayebeh Zarei, Rahul Datta, Shah Fahad, Ayman El Sabagh, Ghulam Sabir Hussain, Mohamed Z. M. Salem, Muhammad Habib-ur-Rahman and Subhan Danish
Additional contact information
Muhammad Majid: Department of Agronomy, Muhammad Nawaz Sharif University of Agriculture, Multan 60800, Pakistan
Muqarrab Ali: Department of Agronomy, Muhammad Nawaz Sharif University of Agriculture, Multan 60800, Pakistan
Khurram Shahzad: Plant Nutrition Section, Mango Research Institute, Multan 60000, Pakistan
Fiaz Ahmad: Central Cotton Research Institute, Multan 60000, Pakistan
Rao Muhammad Ikram: Department of Agronomy, Muhammad Nawaz Sharif University of Agriculture, Multan 60800, Pakistan
Muhammad Ishtiaq: Department of Entomology, Muhammad Nawaz Sharif University of Agriculture, Multan 66000, Pakistan
Ibrahim A. Alaraidh: Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Abdulrahman Al-hashimi: Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Hayssam M. Ali: Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Tayebeh Zarei: Laboratory of Tropical and Mediterranean Symbioses, CIRAD, 34398 Montpellier, France
Rahul Datta: Department of Geology and Pedology, Faculty of Forestry and Wood Technology, Mendel University in Brno, Zemedelska1, 61300 Brno, Czech Republic
Shah Fahad: Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresource, College of Tropical Crops, Hainan University, Haikou 570228, China
Ayman El Sabagh: Department of Agronomy, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Shaikh 33516, Egypt
Ghulam Sabir Hussain: Department of Agronomy, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan 60800, Pakistan
Mohamed Z. M. Salem: Forestry and Wood Technology Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria 21545, Egypt
Muhammad Habib-ur-Rahman: Department of Agronomy, Muhammad Nawaz Sharif University of Agriculture, Multan 60800, Pakistan
Subhan Danish: Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan 60800, Pakistan

Sustainability, 2020, vol. 12, issue 24, 1-14

Abstract: Cotton ( Gossypium hirsutum L.) is one of the major fiber crops. Its production is under threat due to scarcity of water resources under a changing climatic scenario. Limited water availability also decreases the uptake of phosphorus, and less uptake of phosphorus can deteriorate the quality attributes of cotton fiber. There is a need to introduce bio-organic amendments which can mitigate osmotic stress on a sustainable basis. Inoculation of rhizobacteria can play an imperative role in this regard. Rhizobacteria can not only improve the growth of roots but also enhance the availability of immobile phosphorus in soil. That is why the current experiment was conducted to explore and compare the efficacy of sole application of diammonium phosphate (DAP) over plant growth-promoting rhizobacteria (PGPR) and phosphorus solubilizing bacteria (PSB) coated DAP on growth and quality attributes of cotton under artificially induced osmotic stress at flowering stage. The impact of phosphorus levels was found to be significant on the plant height, leaf area, average boll weight, stomatal conductance, net photosynthetic rate, and seed cotton yield, while the irrigation effect was significant on all the parameters. The PGPR coated phosphorus performed better as compared to other treatments under normal irrigation and osmotic stress. Results showed that PGPR coated phosphorus increased by 29.47%, 21.01%, 41.11%, 32.73%, 15.63% and 22.89% plant height, average boll weight, stomatal conductance, net photosynthetic rate, fiber length, and seed cotton yield respectively. In conclusion, PGPR coated DAP can be helpful to get higher cotton productivity as compared to control and sole application of DAP under normal irrigation and osmotic stress.

Keywords: cotton; inorganic fertilizers; PGPR; PSB; osmotic stress (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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