Ameliorating the Drought Stress for Wheat Growth through Application of ACC-Deaminase Containing Rhizobacteria along with Biogas Slurry

Rizwan Yaseen, Omar Aziz, Muhammad Hamzah Saleem, Muhammad Riaz, Muhammad Zafar-ul-Hye, Muzammal Rehman, Shafaqat Ali, Muhammad Rizwan, Mohammed Nasser Alyemeni, Hamed A. El-Serehy, Fahad A. Al-Misned and Parvaiz Ahmad
Additional contact information
Rizwan Yaseen: Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan 60800, Pakistan
Omar Aziz: Department of Soil & Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan
Muhammad Hamzah Saleem: MOA Key Laboratory of Crop Ecophysiology and Farming System Core in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
Muhammad Riaz: Root Biology Center, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
Muhammad Zafar-ul-Hye: Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan 60800, Pakistan
Muzammal Rehman: School of Agriculture, Yunnan University, Kunming 650504, China
Shafaqat Ali: Department of Environmental Sciences and Engineering, Government College University, Faisalabad 38000, Pakistan
Muhammad Rizwan: Department of Environmental Sciences and Engineering, Government College University, Faisalabad 38000, Pakistan
Mohammed Nasser Alyemeni: Botany and Microbiology Department, College of Science, King Saud University, Riyadh l1451, Saudi Arabia
Hamed A. El-Serehy: Department of Zoology, College of Science, King Saud University, Riyadh l1451, Saudi Arabia
Fahad A. Al-Misned: Department of Zoology, College of Science, King Saud University, Riyadh l1451, Saudi Arabia
Parvaiz Ahmad: Botany and Microbiology Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia

Sustainability, 2020, vol. 12, issue 15, 1-18

Abstract: The temperature increase around the world is leading to generation of drought, which is a big threat to the productivity of crops. Abiotic stresses like drought increase the ethylene level in plants. In higher plants, 1-aminocyclopropane-1-carboxylate (ACC) is considered as the immediate precursor of ethylene biosynthesis. The application of ACC-deaminase (ACCD) possessing rhizobacteria could ameliorate the harmful results of drought stress by transforming ACC into non-harmful products. Biogas slurry (BGS) improves the water-holding capacity and structure of the soil. Thus, we speculated that the integrated application of ACCD possessing rhizobacteria and BGS might be an efficient approach to mitigate the drought stress for better wheat productivity. A field experiment was conducted under skipped irrigation situations. On the tillering stage (SIT) and flowering stage (SIF), the irrigations were skipped, whereas the recommended four irrigations were maintained in the control treatment. The results of this field experiment exposed that the ACCD possessing rhizobacterial inoculations with BGS considerably improved the stomatal and sub-stomatal conductance, transpiration and photosynthetic rates up to 98%, 46%, 38%, and 73%, respectively, compared to the respective uninoculated controls. The Pseudomonas moraviensis with BGS application improved the grain yield and plant height up to 30.3% and 24.3%, respectively, where irrigation was skipped at the tillering stage, as compared to the uninoculated controls. The data obtained revealed that the P. moraviensis inoculation + BGS treatment significantly increased the relative water content (RWC), catalase (CAT) activity, ascorbate peroxidase (APX) activity, as well as grain and shoot phosphorus contents, up to 37%, 40%, 75%, 19%, and 84%, respectively, at SIF situation. The results depicted that the P. moraviensis with BGS application under drought stress could be applied for enhancing the physiological, yield, and growth attributes of wheat.

Keywords: organic matter; PGPR; antioxidant activity; skipped irrigation (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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