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and top), basal core diameter and seed weight of
twelve taxa of four different species of Hibiscus 409 HAQUE, M.M.; RAHIM, M.A.; GOMES,
genus indicated that there were great variations for I. (Dept. of Microbiology, Bangladesh Jute
yield parameters within the varieties of the same Research Institute, Dhaka); SULTANA, K. &
species and between the varieties and forms of the ISLAM, M.M. ( Dept. of Plant Pathology,
different species. Division of Pest Management, Bangladesh Jute
Research Institute, Dhaka). Effect of Leaf Mosaic
408 GOMES, I. (Bangladesh Jute Research Disease on Seed Yield of Different Varieties of
Institute, Dhaka); BHOWMIK, S.K.; ISLAM, Jute. Bang. J. Microbiol., 2005, 22 (1), 34-36.
M.E. (Biotechnology and Genetic Engineering
Disciplane, Khulna University, Khulna); Expression of leaf mosaic of jute and its effect on
SARKAR, P.K.; RAMAN, S.R. & GOMES, seed yield was studied in green house condition of
D.J. (Dept. of Microbiology, Dhaka University, Bangladesh Jute Research Institute (BJRI), Dhaka
Dhaka). Application of Trichoderma koningi under the insect proof net in two successive years.
Enzymes for Biofinishing of Jute-Based Fabrics. Five Corchorus capsularis-released varieties were
Bang. J. Microbio., 2005, 22(1), 59-63. included but none of them was found to be free
from the leaf mosaic infection. However, the
Enzymes including pectinolytes, cellulolytes and varieties were significantly differed in sensitivity
hemicellulases have found their place in textile to the infection or in their respective ability to
industry. One modern trend of their application is express symptoms due to this infection. The
the usage of a mixture of enzymes in the highest expression of leaf mosaic of jute was found
pretreatment of woven fabrics made of cellulose in D-154, followed by CC-45, BJC-7370, BJC-83
fibres. Jute is a strong, stiff, natural fibre as a result and CVL-1. The expression of leaf mosaic of jute
jute fabrics are prickly due to protruding surface was also positively increased with the increase of
jute fibres. Samples of jute products like jute- the age of the plants. The results might reflect to
cotton union (JC) fabric and Hessian were treated some extent the variability amongst the cultivars in
with crude enzymes preparation of Trichoderma having seed-borne infection and thus suggest that
koningi, which contains all the key enzymes breeding immune or highly tolerant Corchorus
required for biofinishing purpose. The enzyme capsularis could greatly help in controlling the
treatment was effective in the removal of surface disease. Rate of transmission of leaf mosaic of jute
protruding fibres. The surface of the enzyme- was found to be higher in the following year
treated fabrics and Hessians were smoother, softer indicating that leaf mosaic of jute confirmed
and brighter compared to untreated controls. transmitted through seed. Leaf mosaic infected
Enzymatic treatment also removed fine surface plant produced lesser number of pods ami seeds,
fuzz and fibrils from the samples. The bio- and the seed yield per plant was lower than the
polishing action thus achieved helped to eliminate healthy one.
pilling and provided better surface texture without
any significant loss of tensile strength and abrasion 410 KHAN, M.A. (Jute Research Regional
resistance. Our results showed that the Station, Bangladesh Jute Research Institute,
multicomponent enzyme system of T. koningi was Rangpur) & HOSSAIN, S.M.A. (Dept. of
effective in biofinishing application to improve the Agronomy, Bangladesh Agricultural University,
quality of jute-blended fabrics and Hessian. Mymensingh). Study on Energy Input, Output and
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