Influence of Seed Priming Techniques for Enhancing Seed Quality in Sunflower (Helianthus annuus L.)
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Authors
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RAKSHITHA, HN
AS, GKVK, Bengaluru, Karnataka, India 2Chaudhary Charan Singh Haryana Agricultural University, College of Agriculture, Bawal, Haryana, India
Author
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PARASHIVAMURTHY
AS, GKVK, Bengaluru, Karnataka, India 2Chaudhary Charan Singh Haryana Agricultural University, College of Agriculture, Bawal, Haryana, India
Author
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HARISH MS
AS, GKVK, Bengaluru, Karnataka, India 2Chaudhary Charan Singh Haryana Agricultural University, College of Agriculture, Bawal, Haryana, India
Author
Keywords:
Sunflower, Seed priming and physiological parametersAbstract
Seed priming is one of the economical and feasible technologies for rapid and uniform field emergence
in most of the field crops. A laboratory experiment was conducted in the Seed Testing Laboratory, AICRP on Seed
(Crops), NSP, University of Agricultural Sciences, GKVK, Bangalore. Out of 14 priming treatments, hydropriming
for 18 h (T3) recorded highest seed quality parameters like germination (81.80%), shoot length (17.80 cm), root
length (13.92 cm), mean seedling length (31.09 cm), mean seedling dry weight (21.40 mg), SVI-I (2591) and SVIII (1704). This was followed by priming with 2% KNO3 for 18 h (81.0%, 16.60 cm, 13.86 cm, 29.65 cm, 21.09 mg,
2418 and 1673, respectively). Highest (1.16) dehydrogenase activity was recorded in seeds primed with 2%
KNO3 for 18 h. Hence, the seed subjected to hydropriming for 18 h and priming with 2% KNO3 for 18 h are
promising for sunflower cultivation.
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