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Effect of Azospirillum and Azotobacter Species on the Performance of Cherry Tomato under Different Salinity Levels |
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| Authors: | El-Beltagi Hossam S Ahmad Imran Basit Abdul Abd El-Lateef Hany M Yasir Mohammad Tanveer Shah Syed Ullah Izhar Elsayed Mohamed Mohamed Maged Ali Iftikhar Ali Fawad Ali Shaukat Aziz Iftikhar Kandeel Mahmoud Zohaib Ikram Muhammad |
| Institution: | 1.Agricultural Biotechnology Department, College of Agriculture and Food Sciences, King Faisal University, 420, 31982, Al-Ahsa, Saudi Arabia ;2.Biochemistry Department, Faculty of Agriculture, Cairo University, 12613, Giza, Egypt ;3.Department of Horticulture, Faculty of Crop Production Sciences, The University of Agriculture, 25120, Peshawar, Pakistan ;4.Department of Chemistry, College of Science, King Faisal University, 400, 31982, Al-Ahsa, Saudi Arabia ;5.Department of Chemistry, Faculty of Science, Sohag University, 82524, Sohag, Egypt ;6.Department of Horticulture, Ondokuz Mayis University, 55139, Samsun, Turkey ;7.Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, 31982, Al-Ahsa, Saudi Arabia ;8.Department of Pharmacognosy, College of Pharmacy, Zagazig University, 44519, Zagazig, Egypt ;9.Department of Soil and Environmental Sciences, The University of Agriculture, 25130, Peshawar, Pakistan ;10.Department of Food Science and Technology, The University of Agriculture, Swat Campus, 25130, Peshawar, Pakistan ;11.Department of Biomedical Sciences, College of Veterinary Medicine, King Faisal University, 31982, Al-Ahsa, Saudi Arabia ;12.Department of Pharmacology, Faculty of Veterinary Medicine, Kafrelsheikh University, 33516, Kafrelsheikh, Egypt ; |
| Abstract: | Abiotic stress has a negative impact on plant physiology, influencing the overall growth and development of plant crops. Saline stress is one of the most serious environmental issues limiting crop plant production. Biofertilizers are reparative elements used in soil to increase tolerance to salinity and drought stress. We investigated the effect of salinity stress on qualitative and quantitative characteristics of cherry tomato plants (Lycopersicon esculentum cerasiforme) with biofertilizer application 0, 15 and 30 days after transplanting in this study. After different days of transplantation, different levels of salinity (0, 50, 100, and 150?mM) were used with biofertilizer (Azospirillum sp. and Azotobacter sp.) application (0, 15 and 30 days). The salinity (150?mM NaCl) significantly affected the studied variables, which were recorded with minimum levels of leaf area (52.42?cm2), root length (6.54?cm), fresh root weight (13.64?g), yield (6.52 tons/ha), leaf chlorophyll content (36.11?mg/m2) and maximum levels of total soluble solids (TSS, 8.87 °Brix). Control samples had higher leaf area (58.35?cm2), root length (15.23?cm), fresh root weight (17.86?g), yield (9.39 tons/ha), leaf chlorophyll content (44.09?mg/m2), and lower TSS (7.93 °Brix). Plants that received biofertilizer (15 days after transplanting) had higher plant height (73.41?cm), stem diameter (0.74?cm), leaf area (61.16?cm2), root length (15.35?cm), fresh root weight (18.38?g), root dry matter (60.41%), yield (10.43?t/ha), leaf chlorophyll content (42.55?mg/m2), fruit dry matter content (10.12?g), pH 4.52, and TSS (9.30 °Brix). The minimum plant height (51.33?cm), stem diameter (0.55?cm), leaf area (49.60?cm2), root length (7.04?cm), fresh root weight (12.76?g), root dry matter (42.16?g), yield (5.15 tons/ha), leaf chlorophyll content (35.18?mg/m2), fruit dry matter content (6.59?g), pH 4.27 and TSS (7.55 °Brix) were recorded in plants with no application of biofertilizer. The present study revealed that most growth and quality variables were negatively affected by salinity except for TSS, which showed positive effect with application of 150?mM of NaCl. Biofertilizer application at 15 days significantly influences the quantitative and qualitative attributes of cherry tomato under different levels of salinity. |
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