Effect of seed priming on germination, emergence and seedling growth of cocks comb (Celosia cristata L.) under different salinity levels
Paper Details
Effect of seed priming on germination, emergence and seedling growth of cocks comb (Celosia cristata L.) under different salinity levels
Abstract
Present study was carried out to investigate the effect of seed priming on seed germination; emergence and seedling growth of cocks comb (Celosia cristata L.) under different salinity levels in Post-harvest and Floriculture Laboratory, University of Agriculture Faisalabad. Five treatments were applied viz. Control, CaCl2 (0.56%), H2O2 (0.41%), Moringa (3%) and Salicylic acid (0.004%) at three different levels of salinity (0, 50 and 100mM) with three replications. Both experiments were laid out according to Completely Randomized Design (CRD) under two factors factorial arrangement. The difference among treatment means were compared by using Least Significance Difference (LSD) test at 5% probability level. Data regarding germination and emergence tests was recorded and analyzed statistically. Various parameters were recorded in germination experiment viz. final germination percentage, germination energy, germination index, vigor index, radical length, plumule length, radical to plumule ratio, seedlings fresh weight, seedlings dry weight, time to first seed germination, time to 50% germination, mean germination time and same parameters were studied in emergence test. Results showed that all priming treatments improved germination and emergence parameters under saline and non-saline conditions as compared to non-primed seeds. Salinity levels significantly affected both primed and non-primed seeds. Germination and emergence traits were suppressed with increase of salinity levels. At lower and medium salinity levels (0mM and 50mM NaCl), H2O2 performed well and significantly improved most of the germination and emergence traits. CaCl2, Moringa and Salicylic acid performed well at higher salinity level (100mM NaCl). So it can be concluded that H2O2 proved a best dose to enhance seed traits of cocks comb followed by moringa, CaCl2 and salicylic acid respectively.
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