Influence of antitranspirants on photosynthesis, leaf dry wt., nitrate reductase activity and leaf yield of mulberry (Morus alba L.) under water stress condition
Abstract
Different concentrations of four antitranspirants were applied on the foliage of mulberry (Morus alba L.) var. S-1 during the year 1999–2001 with a view to study the physiological activity and leaf yield under water stress condition. CCC increased the photosynthetic rate of mulberry at 54% than that of control in limited irrigated condition. PMA was less effective as compared to CCC, BX-112 and ABA. Accumulation of dry matter of mulberry leaves was observed higher due to CCC application followed by BX-112. The nitrate reductase activity was found maximum in CCC treated plants in two levels of irrigation. The leaf yield was also found maximum in CCC treated mulberry leaves followed by BX-112. The correlation between Photosynthesis and leaf yield, nitrate reductase and leaf yield and nitrate reductase and photosynthesis were found significant.
Keywords
Antitranspirants, Photosynthesis, Nitrate reductare, Water stress