A PRELIMINARY STUDY ON PRE-TREATMENT SOLUTIONS TOWARDS CHILI SEEDS GERMINATION
Keywords:
Gibberellic acid, hydrogen peroxide, germination, chili seedAbstract
Capsicum annuum L. is an important crop due to its large scale consumption in many countries.
However, low germination process of chili seed is the common problem encountered by planters.
Seed priming is believed able to overcome this problem by stimulate imbibition of seed using pretreatment solution. In this study effect of two pre-treatment solutions; gibberellic acid (GA3) and
hydrogen peroxide (H2O2) on germination process of chili seeds were evaluated. Experimental
works were carried out through imbibition of chili seeds in the different concentrations of pretreatment solution and imbibition period (one hour and 24 hours). After imbibition procedure, chili
seeds were air dried for one hour before sowing process. Germination percentage and growing
performance of chili seeds were assessed after seven days of sowing. The germination percentage
of chili seed were identified based on percentage of successfully germinated chili seed while the
growing performances were assessed through the average length of root, stem and leaf. Study has
found that the most suitable pre-treatment solution for chili seeds is 6% of GA3 with one hour
imbibition period with highest germination percentage (92%) and average length of root, stem and
leaf of 3.2±0.1 cm, 3.1±0.1 cm and 1.0±0.2 cm respectively. GA3 significantly speed up germination
process by regulating protein synthesis, hence suitable to be used as pre-treatment solution.
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