A pot experiment was conducted from 2019 to 2020 at Noakhali Science and Technology University (NSTU), Noakhali, Bangladesh, to investigate the morphological performances of BINA Soybean-6 under various saline conditions. Salinity is a widespread problem responsible for limiting the productivity of oilseed crops and soybean cultivars differ in their sensitivity to soil salinity. The research material was BINA Soybean-6 collected from the Bangladesh Institute of Nuclear Agriculture (BINA), Mymensingh. There were five treatments of salinity viz., T0 (distilled water), T1 (50mMNaCl), T2 (100mMNaCl), T3 (150mMNaCl) and T4 (200mMNaCl) were used in the experiment in which distilled water was used as control. Latin Square Design (LSD) with three replications was used in this experiment. In the present study, BINA Soybean 6 showed a significant variation in the contributing parameters. The experimental parameters used during the experiment were germination percentage and duration, height of plants (cm), number of branches/plant, number of leaves/plant, number of flowers/plant, number of pods/plant, length of pods (cm), seeds/pod, and length of root (cm). The highest germination percentage (83.33%) was observed in control (T0) condition while germination percentage was suppressed under T4 treatment i.e. 200mMNaCl concentration. Germination percentages were gradually decreased with the increase of salinity level. The highest plant height (34.22 cm), number of branch plant-1 (3.44), leaf number plant-1 (13.56), number of flower plant-1 (24.33), pod number plant-1 (21.22), seeds pod-1 (3.33), length of pod (5.44 cm) and root length (15.89 cm) were obtained at control (T0) condition. It was observed that the parameters were diminished gradually with the rising of salinity levels compared to the treatment T0 (Control).
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