Hydro-priming as a Sustainable Approach for Improving Germination and Seedling Growth in Tomato (Solanum lycopersicum L.)
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Authors
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MK SUSHMA
Division of Seed Science and Technology, ICAR-IARI, New Delhi-110012, India
Author
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SHIV K YADAV
Division of Seed Science and Technology, ICAR-IARI, New Delhi-110012, India
Author
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S YADAV
Division of Seed Science and Technology, ICAR-IARI, New Delhi-110012, India
Author
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R CHOUDHARY
Division of Seed Science and Technology, ICAR-IARI, New Delhi-110012, India
Author
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A ANBALAGAN
Division of Seed Science and Technology, ICAR-IARI, New Delhi-110012, India
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K NAVYA
Division of Seed Science and Technology, ICAR-IARI, New Delhi-110012, India
Author
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K KAUSHAL
Division of Seed Science and Technology, ICAR-IARI, New Delhi-110012, India
Author
Keywords:
Tomato, hydro-priming, germination and seedling growthAbstract
Uniform and rapid germination of seeds significantly impacts the yield and quality of tomato. Pre-sowing seed hydro-priming emerges as a cost-effective, and easily accessible technique for improving germination rates. Its affordability and effectiveness make it a preferred method for enhancing crop productivity. An experiment was conducted to assess the effect of different hydro-priming durations and seed to water ratio on germination and seedling growth of tomato. The treatments included hydro-priming of tomato seeds of the variety Pusa Rohini at different durations (3, 6, 9, 12, 15, 18, 21, 24, 27, 30, and 33 hours) with 1:1 and 1:2 (w/v) soaking volumes. The results of the study revealed that highest germination percentage (8.2%), shoot length (14.6%), root length (21.1%), total seedling length (19.5%), seedling fresh weight (43.3%), seedling dry weight (58.1%), seedling vigor index I (29.5%) and II (72.7%) were observed in 24 hours of priming duration compare to unprimed seeds. Similarly enhanced seed quality parameters were also observed in 1:2 (w/v) seed to water ratio. Thus, 24 hours of seed hydro-priming with 1:2 water ratio has been found to be effective in enhancing seed quality, including improvements in germination, seedling growth, and vigor in tomato.
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