13. Effect of sodium chloride on the growth parameters of canola plant (Brassica napus)

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Kainat and Muhammad Anwar Sajad


Rapeseed (Brassica napus) is one of the most important plant producing essential oil. These oil are edible around the world. An experiment was carried out in triplicate in greenhouse condition at the botanical garden in Islamia College Peshawar. The experimental design consisted of four major groups which were arranged in sequences line and to study the effect of salinity stress on growth parameters, four level of salinity solution (0mM, 125mM, 250mM, 370mM) containing NaCl was applied in irrigation planting in a greenhouse. The results showed that salinity significantly affected the rate of germination, shoot length, leaves number, fresh weight of whole plant, fresh weight of root and number of flowers at P< 0.05. High concentration of NaCl significantly reduced the rate of germination, shoot length, leaves number, fresh weight of root and whole plant, as well as the number of flowers. It is necessary to indicate that canola plant cannot tolerate high concentrations of NaCl and damage under high salt stress condition. The highest value of growth parameters were observed under non-salinity condition (Control) with respect to salinity.

Keywords: Growth Parameters; NaCl; Rapeseed (Brassica napus); Salt; Stress


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