Optimization of leaf cutting and plant growth regulator treatments for enhancing seed quality parameters in coriander (Coriandrum sativum L.)
DOI:
https://doi.org/10.25081/josac.2026.v35.i1.10140Keywords:
Coriander, Plant growth regulators, Cutting, Germination, Seed, Benzyl adenine, QualityAbstract
An experiment was carried out at Chaudhary Charan Singh Haryana Agricultural University, Hisar throughout the 2023–2024 and 2024–2025 rabi seasons, to optimize the leaf cutting and plant growth regulators (PGRs) spray on seed quality parameters of coriander (Coriandrum sativum L.). The treatments consisted of control (no cutting) and two leaf cutting levels (one cutting and two cuttings) and nine PGR treatments including benzyl adenine at 10 and 20 ppm, GA₃ at 50 ppm, salicylic acid at 50 and 100 ppm, jasmonic acid at 50 and 100 ppm, NAA at 75 ppm and water spray as control. Seed quality parameters were significantly influenced by cutting and PGR application. Recommended package of practices recorded superior test weight, germination percentage, seedling length, seedling dry weight and seed vigour indices compared to one and two cuttings. Among PGRs, benzyl adenine at 20 ppm resulted in the greatest improvement in all seed quality attributes like test weight, standard germination, seedling length, seedling vigour indices I and II followed by benzyl adenine 10 ppm and GA₃ at 50 ppm. The combination of no cutting and benzyl adenine at 20 ppm proved most effective for producing vigorous and high-quality seed in coriander.
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Copyright (c) 2026 Pooja Pahal, Suresh Kumar Tehlan, Sumit Deswal, Virender Singh Mor, Himanshu Bhakuni, Renu Fandan, Neeraj Poonia
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