Author: Anish Choudhury and Sanjoy Kumar Bordolui
Seed priming is a pre-sowing treatment which results in a physiological condition that allows seed to germinate more efficient. During subsequent germination, primed seeds exhibit a faster and more synchronized germination and young seedlings are often more vigorous against abiotic stresses than seedlings obtained from unprimed seeds. Priming often involves soaking seed in predetermined amounts of water or limitation of the imbibition time. The imbibition rate may well be somehow controlled by specific salt agents like KNO3. The laboratory experiment was carried out in seed testing laboratory, Department of Seed science and Technology, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, Nadia, West Bengal, India. This study investigated the germination and seedling vigour of chickpea variety ‘Anuradha’ under different KNO3 concentration and duration with the objective of enhancing the germination potential before sowing. In the present experiment therefore an attempt has been made to study the effects of seed priming with 50 ppm KNO3 for 6 hrs, 50 ppm KNO3 for 8 hours, 50 ppm KNO3 for 10 hours; 100 ppm KNO3 for 6 hrs, 100 ppm KNO3 for 8 hrs, 100 ppm KNO3 for 10 hours; 200 ppm KNO3 for 6 hours, 200 ppm KNO3 for 8 hrs; 200 ppm KNO3 for 10 hrs; 400 ppm KNO3 for 6 hrs; 400 ppm KNO3 for 8 hrs; 400 ppm KNO3 for 10 hrs and dry seeds as control in laboratory condition. From the experiment, it can be concluded that 100 ppm KNO3 soaking for 8 hrs was the best performer than other priming materials as it was highest performer in germination percentage (96.30), seedling fresh weight (1.84 g), seedling dry weight (0.14g), seedling Vigour Index-I (2013.08), mean germination time (3.15 days), time to 50 % germination (2.45 days) and germination index (40.453).
Germination, potassium nitrate, priming, vigour
Seeds of chickpea were treated with various concentration and duration of potassium nitrate recorded higher seed quality parameters compared to control. Seeds treated with KNO3 100 ppm observed the significant higher than other priming concentrations and durations. It can be concluded that among all the treatments, KNO3 100 ppm for soaking 8 hrs showed significant performance for seed quality parameter like germination percentage (96.30), seedling fresh weight (1.84 g), seedling dry weight (0.14g), seedling vigour Index-I (2013.08), mean germination time (3.15 days), time to 50 % germination (2.45 days) and germination index (40.453). Therefore, as pre-sowing treatment KNO3 100 ppm with a duration of 8 hrs is recommended for treating chickpea seed for better seedling establishment.
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Anish Choudhury and Sanjoy Kumar Bordolui (2022). Inducement of Seed Priming with Potassium Nitrate on quality Performance of Chickpea (Cicer arietinum L.). Biological Forum – An International Journal, 14(4): 779-783.