ORIGINAL RESEARCH
In Vitro Early Vegetative Growth of Tomato (Solanum lycopersicum L.) Cultivars Under Salt Stress
 
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1
School of Life Sciences and Engineering, Southwest University of Science and Technology, Mianyang, 621010, China;
 
2
Soil Fertility Research Institute, Agriculture Research Center, Tando Jam, 70060
 
3
Soil and Environment Research Institute, Agriculture Research Center, Tando Jam, 70060
 
4
Department of Soil Science, Faculty of Crop Production, Sindh Agriculture University, Tando Jam 70060, Pakistan
 
5
Department of Economics, Faculty of Social Science, Sindh Agriculture University, Tando Jam 70060, Pakistan
 
6
Department of Agronomy, Faculty of Agriculture and Environment, The Islamia University, Bahawalpur 63100
 
7
Department of Environmental Science, Shaheed Benazir Bhutto University, Sheringal 18000, Pakistan
 
8
School of Biological Sciences, The University of Western Australia, 35 Stirling Highway, Perth, WA 6009, Australia
 
9
Center of Research, Faculty of Engineering, Future University in Egypt, New Cairo 11835, Egypt
 
10
School of Life Sciences & Center of Novel Biomaterials, The Chinese University of Hong Kong, Shatin, Hong Kong
 
11
Centre for Plant Science and Biodiversity, University of Swat, Charbagh, Pakistan
 
12
Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
 
13
Department of Parasitology and Medical Entomology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, 56000 Cheras, Kuala Lumpur, Malaysia
 
 
Submission date: 2023-08-14
 
 
Final revision date: 2023-11-10
 
 
Acceptance date: 2024-01-29
 
 
Online publication date: 2024-04-19
 
 
Publication date: 2024-07-12
 
 
Corresponding author
Mahendar Kumar Sootahar   

Soil Fertility Research Institute, Agriculture Research Center, Tando Jam, 70060
 
 
Rashid Iqbal   

Department of Agronomy, Faculty of Agriculture and Environment, The Islamia University, Bahawalpur 63100, Punjab, Pakistan
 
 
Allah Ditta   

Department of Environmental Sciences, Shaheed Benazir Bhutto University Sheringal, Dir (U), Khyber Pakhtunkhwa 18000, Pakistan, Pakistan
 
 
Pol. J. Environ. Stud. 2024;33(5):5879-5885
 
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ABSTRACT
Tomato (Solanum lycopersicum L.) belongs to the Solanaceae family and is considered an important vegetable worldwide. Its production has been challenged due to soil salinization and water shortages. Local tomato cultivars could be better adapted to salt stress. Based on this hypothesis, the present study was carried out to determine the variation in fourteen different tomato cultivars for salt tolerance. Seed germination, mean germination time, shoot length, and root length were examined under salinity stress (1.5 g L-1 NaCl). Plant growth and seed germination were severely affected by saline conditions. The results of this in vitro experiment showed that the seed germination of Yellow Milk was significantly increased (73.33%) however, Pink Jade and Red Jade cultivars were significantly decreased under the NaCl treatment. Similarly, among the fourteen tomato cultivars, the mean germination time of only Yellow Pearl and Black Current significantly increased. Moreover, the shoot length of eight tomato cultivars decreased compared with the control, while the highest shoot length (12.5 cm) was recorded in the case of Saint cultivar. The root length of Taiwan Red Saint, Purple Beauty, Yellow Milk, Red Pearl, Yellow Pearl, Pink Cooperative 906, Qinzu Shanghai 903, and Scarlet cultivars significantly increased, while the other five cultivars significantly decreased under NaCl treatment compared to control. It is concluded that NaCl stress significantly affects the vegetative growth of tomato cultivars under in vitro culture.
eISSN:2083-5906
ISSN:1230-1485
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