ABSTRACT
The objective of this research was to evaluate the growth of peanut
lines generated from Gamma ray iradiation against polyethylene glycol (PEG) solution stress. The peanut
lines seeds of mutan M4 generation were
used in this experiment. Peanut plants
of cv. “Local Bima” were also tested as control plant. The mutan and control peanut
plants were planted on rice hush charcoal medium. The peanut plants that
15 to 50 days old were watered with PEG 15% solution (0.41 Mpa osmotic
potential = drought stress). Identification
of tolerant peanut lines on PEG
stress were calculated with using
drought sensitivity index value (S) on observed parameter. Results of the
experiment showed that peanut line G300 had a better vegetative growth (total
plant dry weight, root dry weight and root lenght). Based on S value,
peanut line G300, G250 and G200 were classified
as moderate tolerant and control
plants sensitive to PEG solution
stress.
Keywords : peanut lines, gamma ray, mutan, polyethylene glycol
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