Effect of Seed Pretreatment Methods on Germination and Early Seedling Growth of Senna spectabilis
Table 2
Treatment method, germination percentage, and germination value of S. spectabilis, 28 days after seed sowing.
Treatment
Treatment description
Germination % (mean ± SD)
Germination value
T1
Control: no pretreatment applied
23 ± 0.5c
0.8
T2
Seed soaked in cold water for 12 h
16 ± 0.4c
0.4
T3
Seed soaked in cold water for 24 h
12 ± 0.3c
0.6
T4
Seed soaked in cold water for 48 h
23 ± 0.4c
2.3
T5
Seed soaked in hot water for 12 h
67 ± 1b
25.4
T6
Seed soaked in hot water for 24 h
58 ± 1b
19.6
T7
Seed soaked in hot water for 48 h
53 ± 1b
20.2
T8
Nicked seeds
95 ± 2a
105.9
value
<0.001
LSD0.05
0.143
SD denotes standard deviation. Treatment means within each column followed by the same letters are not significantly different from each other at ; LSD0.05, least significant differences of means (5% level).