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VOL. 6, ISSUE 6 (2021)
Cytological impact and seed germination responses of salts (NaNO3 and KNO3) stress on Barseem (Trifolium alexandrinum L.)
Authors
Girjesh Kumar, Kaushal Tripathi, Moni Mishra
Abstract
Berseem (Trifolium alexandrinum L.) belongs to the fabaceae family and it is one of the most important ravi fodder legume crops in northern India. The high digestibility, along with palatability, superior forage quality, long duration of green fodder availability have made it best kind of fodder. Because of its water requirement, this crop can only be grown in irrigated areas; hence seed germination is impacted by water availability and environmental stress. In the present study dry and healthy seeds of Berseem (variety Wardan) were germinated under varying NaNO3 and KNO3 salt, concentration range of 0 mM, 50 mM, 100 mM, and 150 mM. It was observed that appearance of radical, plumule and cotyledonary leaves significantly affected by salt NaNO3 and KNO3 at 100mM concentration. Our experiment reveled that salinity affected cytological process; the highest MI values were obtained from control viz., 10.32±0.26a whereas MI values were declined with increasing the concentration of salts. A broad spectrum of chromosomal abnormality viz., stickiness, scattering, precocious movement of chromosome, unoriantation, loop formation, laggard and forward movement were reported. Tab% was maximum (4.80±0.02) at the concentration of 150 mM KNO3 followed by maximum (4.70±0.30) in case of NaNO3 at same concentration, it was gradually increased with increasing the concentration.
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Pages:1024-1028
How to cite this article:
Girjesh Kumar, Kaushal Tripathi, Moni Mishra "Cytological impact and seed germination responses of salts (NaNO3 and KNO3) stress on Barseem (<em>Trifolium alexandrinum</em> L.) ". International Journal of Botany Studies, Vol 6, Issue 6, 2021, Pages 1024-1028
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