New Zealand Journal of Crop and Horticultural Science abstracts
Variation of oil content in a new clone of Jamrosa ‘RL-931’ (Cymbopogon
nardus var. confertiflorus x C. jwarancusa) during
one year of crop growth
M. K. Bhan
Kanti Rekha
S. N. Kak
Botanical Sciences Division
Regional Research Laboratory
Canal Road, Jammu Tawi 180 001
India
email:mkbhan@rediffmail.com
S. G. Agarwal
P. L. Dhar
R. K. Thappa
Natural Product Chemistry Division
Regional Research Laboratory
Canal Road, Jammu Tawi 180 001
India
Abstract The effect of seasonal changes on oil content
of a new clone of Jamrosa ‘RL-931’ (Cymbopogon nardus var. confertiflorus
x C. jwarancusa) was investigated during 1998-99. The pre-monsoon
and onset of the monsoon period (May-July) was characterised by a higher
oil content, whereas the post-monsoon and winter period (August-December)
showed a comparatively lower oil content. The quality of the oil is best
in May-July. High temperature and low humidity favours the accumulation of
geraniol, geranyl acetate, and a low citral content in the oil. Maximum oil
content was recorded when both maximum and minimum temperatures were high.
Keywords Cymbopogon; hybrid; Poaceae; Jamrosa;
essential oil; geraniol; geranyl acetate; citral; seasonal variation; environmental
effect; correlation
H02019 Received 20 February 2002; accepted 3 February 2003; published
12 June 2003
New Zealand Journal of Crop and Horticultural Science, 2003, Vol. 31:
187-191
0014-0671/03/3102-0187 $7.00 © The Royal Society of New Zealand
2003
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