International Centre for Research and Training on Seabuckthorn Miscellaneous Page 4
Table 1. Effect of ionising irradiation and phytohormones on height of
seabuckthorn seedlings (* - differences from control are significant at p
0.05;
** - significant at p
0.01).
Plant height, % to control
Variant of
Treatment
3
weeks
a)
2
years
3
years
4
years
6
years
Irradiation
NAA
GA
3
Control
72**
93
121*
100
73**
94
115*
100
78**
94
99
100
75**
68**
106
100
98
83**
98
100
a)
- hypocotyle length
Table 2. Effect of ionizing irradiation and phytohormones on characters
of 8-year-old seabuckthorn plants ( ** - differences from control are significant
at p
0.01).
Variant of
treatment
VPI,
%
Ascorbic acid,
mg%
Total oil,
%
Carotenoids,
mg%
Irradiation
NAA
GA
3
Control
+8.9
0.0
-23.7
0.0
92**
88**
109
129
2.53
2.03**
2.78
2.48
19.1**
18.1**
23.4
24.2
Table 3. The effect of various doses of ionizing irradiation on some
seabuckthorn characteristics.
Dose
Plant growth
Total fruit sugars
Total fruit acids
Total fruit oils
Low (1-10 kR)
High (25-100 kR)
Stimulation
Inhibition
Decrease
Increase
Increase
Decrease
No effect
No effect