Pre-Treatment Effect on Seed Germination of Calopogonium mucunoides: A Promising Cover Crop for Land Restoration
DOI:
https://doi.org/10.36808/if/2021/v147i11/157963Keywords:
Cover crop, pre treatment, dormancy, germination percent, mean germination timeAbstract
Calopogonium mucunoides has been widely used as a pasture legume, cover crop and nitrogen fixing plant in tropical regions of the world. The present study investigated the effect of different pre-treatments on germination per cent (GP), mean germination time (MGT), germination value (GV), peak value (PV) and germination index (GI) of C. mucunoides. Experiment was conducted in Complete Randomized Design with four replications of 25 seeds for each treatment and control (25 seeds × 4 replicates × control/hot water/acid scarification/sand scarification/growth promoters = 52 experimental units). Seeds were subjected to different pretreatments viz., Hot water soaking at 40°C, 60°C, 80°C, 88°C; acid scarification using conc. H2SO4 98% (1% (v/v), 3% (v/v), 5% (v/v); sand scarification, GA3 treatment (500ppm and 1000ppm); KNO3 treatment 0.1% (w/v), 1% (w/v), 3% (w/v). Results of germination parameters such as GP, MGT and GV were subjected to analysis of variance (ANOVA). Dunnett t (2-sided) statistical analysis and Post hoc Tukey HSD method was used for testing the significance between treatments. Results concluded that control seed produce the GP of 56% while sand scarification and hot water soaking of seeds enhanced the GP range from 80-97%.References
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