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Activity of Isoconessimine Isolated form the Stem
426 PAUL, N.K. & MONDAL, R.K. (Dept. Bark of Holarrhena Antidysenterica. Bang. J.
of Botany, Rajshahi University, Rajshahi). Microbiol., 2005, 22 (1), 1-4.
Stomatal Frequency and Distribution in Mustard
(Brassica juncea L. in Relation to Soil Moisture. lsoconessimine, a naturally occurring alkaloid
Bang. J. Sci. Ind. Res., 2007, 42 (3), 353-356. isclated from stem bark of Holarrhena
antidysenterica, was screened for its antifungal
Effect of soil moisture on stomatal frequency activity against six phytopathogenic fungi, viz.,
and distribution of mustard was studied. The Alternaria alternata, Botryodiplodia theobromae,
irrigated plants had significantly higher Curvularia lunata, Fusarium equiseti,
number of stomata on both the adaxial and Macrophomina phaseolina and Colletotrichum
abaxial surfaces of leaf than the rainfed plants. corchori. The antifungal activity of
No significant effect of soil moisture on isoconessiminel- was evaluated using the poisoned
stomatal frequency of stem and pod was food technique and macro-dilution method. The
found. alkaloid showed good antifungal activity against
most of the fungi tested and more than 50%
427 RAHMAN, M.M.; KAMRUZZAMAN, inhibition of radial mycelial growth was recorded
M.; SADATH, M.N.; (Forestry and Wood against C. lunata, A. alternata and phasiolina. The
Technology Discipline, Khulna University, lowest minimum inhibitory concentration (MIC,
Khulna); & SAIFUZZAMAN, M. (Pharmacy 2.5 µg/ml) and minimum fungicidal concentration
Discipline, Khulna University, Khulna). (MFC, 5.0 µg/ml) values were recorded against C.
Phytochemical and Pharmachological Investigation lunata. Cytotoxic activity (LC 50) of isoconessimine
of Excoecaria Agallocha Linn (Gewa) Latex: A has been determined on newborn brine shrimp
Study on Its Medicinal Significance. South Asian (Artemta salina). The lethal concentration 50
J. Agric., 2007, 2 (1 & 2), 75-78. (LC 50) of the alkaloid was recorded as 34.5 µg/ml
The Phytochemical studies of Excoecaria against newborn brine shrimp.
agallocha Linn. Latex showed the presence of
reducing sugar, gum, tannin, flavonoid and 429 RAZZAQUE, M.A.; TALUKDER, M.R.;
saponins. It has a moderate growth inhibitory UDDIN, S.; KHAN, S.I. & HOSSAIN, A.
effect on gram positive bacteria Shigella boydii (Regional Agricultural Research Station,
and was shown little antibacterial activity against Bangladesh Agricultural Research Institute,
bacteria Hafnia spp, Salmonella typhi, Escherichia Barisal). Response of Late Sowing on the Yield
coli, Shigella dyst, Shigella flese, Plesiomonas spp, and Yield Contributing Character of Different
and Staphyllococcus saprophyticus. The plant latex Varieties of Mustard and Rapeseed in Coastal Area
did not show any antibacterial activity against of Barguna. Bang. J. Sci. Ind. Res., 2007, 42 (4),
tested bacteria Proteus spp and Staphylococcus 441-448.
epidermidis. The extract of the plant was also
shown cytotoxic activity. An experiment was carried at Multi Location
Testing site Barguna to determine suitable variety
428 RAHMAN, M.S. & ANWAR, M.N. (Dept. of mustard (Brassica species.) for the late sowing
of Microbiology, Chitagong University, condition for the coastal area of Bangladesh during
Chittagong). In vitro Antifungal and Cytotoxic rabi season of 1998-1999 and 1999-2000. Four
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