EFFECTS OF SALINITY ON GERMINATION, INITIAL GROWTH STAGE AND NUTRIENT CONTENTS OF MUNGBEAN

A Thesis submitted to the Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE IN AGRICULTURAL CHEMISTRY SEMESTER: JAN-JUNE, 2021

The experiment was undertaken in February 2019 to June 2020 in the net house of Agricultural Chemistry Department, Sher-e-Bangla, Dhaka, Bangladesh effects of salinity on germination, initial growth stage and nutrient contents of mungbean. In this experiment, the treatment consisted of four mungbean varieties viz., V 1 = BARI Mung 5, V 2 = Binamung 5, V =Binamung 7 and five salinity levels (0, 3, 6, 9 and 12 dSm 3 = BARI Mung 6, V -1 ). The experiment was set in Completely Randomized Design (CRD) having two factors with three replications. Results showed that a significant variation was observed among the treatments in respect of majority of the observed parameters. The collected data were statistically analyzed for evaluation of the treatment effect. Data were collected on germination percentage, population density, plant height, number of leaves per plant, length of root. A statistically significant variation was recorded in terms of all the characters related to growth and chemical analysis. The maximum plant height, number of leavess per plant, length of root was produced by Binamung 7. The maximum plant height, number of leave per plant, length of root was observed in levels of 0 dS . Among the combined effects of varieties and salinity levels, plant height, number of leaves per plant, root length was found in Binamung 7 with 0 dSm level and at 3, 6, 9 and 12 dSm -1 salinity levels. Among the four varieties, K content was highest in BARI Mung 6 among the other three varieties. In both varieties K content decreased significantly with the increasing salinity level. Na content was highest in BARI Mung 5 than Binamung 7. N and P content was highest in BARI Mung 6. -1 4 -1