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Articles by Neelesh Kapoor
Total Records ( 2 ) for Neelesh Kapoor
  Neelesh Kapoor , Arvind Arya , Mohd. Asif Siddiqui , Hirdesh Kumar and Asad Amir
  The present study was carried out in five rice varieties viz. Pusa-1, Sugandha-4, Sugandha-5, Saket-4 and Saket-370, for analyzing the varietals differences during seed deterioration by subjected them to Accelerated Ageing (AA) at 45°C and 100% relative humidity (RH) for 24, 48, 72 and 96 h. Various physiological parameters such as moisture content, germination percentage, seedling vigour, vigour index and biochemical parameters such as reducing sugar based on DNS assay, soluble protein by Lowry’s method were explored. Different levels of seed vigor were obtained with different varieties and duration of accelerated aging treatments. Prolongation of ageing led to deterioration of both germinability and seed viability. The physiological results were coinciding with the biochemical parameters. Ageing conditions resulted in increased moisture content in all the varieties. The study concludes that accelerated ageing showed effect on seed quality of all the varieties of rice. All the test experiments performed concluded that Sugandha-4 is the best variety, followed by Saket-370 among all five varieties and Sugandha-5 and Saket-4 are highly sensitive varieties with respect to accelerated ageing.
  Neelesh Kapoor and Veena Pande
  Present research was carried out with the aim of identifying effect of salt stress (NaCl 0.0, 50, 100, 150 and 200 mM) on growth and physiological parameters of fenugreek (Trigonella foenum-graecum L.) variety RMt-1, a leafy vegetable. Various parameters such as germination percentage, shoot and root length, shoot-root ratio, number of leaves and branches, vigour index, fresh and dry weight, moisture content, relative water content and photosynthetic pigments were analyzed. All the parameters were recorded at 15, 30, 45 and 60 Days After Sowing (DAS). Analysis revealed a significant reduction in all parameters with increased salt concentration. Severity of salinity were also observed with increased age as increase in all growth parameter were non-significant in stressed plant as compared to non-stressed plant. A significant reduction from 100-30% was observed in germination percentage under salt stress. High salt concentration delayed the process of germination. Shoot length and root length was significantly reduced from 38.83 cm (control) to 9.44 cm (200 mM) and from 7.48 cm (control) to 2.44 cm (200 mM) respectively at 60 DAS. This analysis was further supported by fresh and dry weight of shoot and root, shoot/root ratio and moisture content. Present study concluded that the effect of salt toxicity was more prone in shoot as compared to root. The study also signified salt dependent behaviour of different photosynthetic pigments. A positive correlation was observed between stages of growth and reduction in parameters under salt stress. Overall study concluded that fenugreek variety RMt-1 is sensitive towards higher concentration of salts.
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