The effect of exogenous phytohormones on functional activity of phytochrome system of cotton in normal and salinity conditions

摘要

The pretreatment by phytohormones of cotton seeds leads to a change in correlation vi the active and inactive forms of phytochrome in inctact seeqlings of cotton, Under conditions of salinity exogenous phytohormones prevent the inhibition of phytochrome photoreversibility and its full conversion from active Pfr--to inactive Pr -- form.