Pak. J. Bot., 39(1): 123-134, 2007. | Back to Contents | ||||
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Updated: 09-07-09 | ||||
EFFECTS OF DROUGHT ON GROWTH, DEVELOMPENT, RADIATION USE EFFICIENCY AND YIELD OF FINGER MILLET (ELEUCINE CORACANA) MUHAMMAD MAQSOOD AND *S.N. AZAM ALI Abstract: Two finger millet landraces were grown in glasshouses under two moisture
regimes (fully irrigated and subjected to drought) to investigate the
effects of environmental stress on the growth, development, radiation
use efficiency and yield of finger millet (Eleucine coracana),
in two landraces viz., TZA-01 and TZM-01. The drought treatment was
imposed at 28 DAS beyond which no irrigation was applied to the droughted
treatment. Growth and development were monitored between 21 DAS and
105 DAS. Soil moisture had an effect on the growth of both the landraces.
Drought reduced leaf area, dry matter accumulation, seed weight, radiation
use efficiency and yield of finger millet. Drought significantly reduced
the number of leaves per plant, leaf area per plant from 42 DAS to 105
DAS. Drought had significant (p<0.009) effect on grain yield of two
finger millet landraces. The maximum grain yield (4.88 t ha-1)
was recorded under irrigated TZA-01 followed by irrigated TZM-01, where
(3.22 t ha-1) grain yield was recorded. The minimum grain
yield (1.92 t ha-1) was recorded in droughted TZM-01. Biomass
was affected significantly (p<0.028) by drought. Maximum radiation
use efficiency was recorded as 3.11g MJ-1 of the accumulated
intercepted radiation.
Department of Agronomy, University of Agriculture, Faisalabad 38040,
Pakistan. |
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