In retting process, a large amount of water is used. The jute bast from Corchorus capsularis Zhonghuangma No. Raw material. One kilogram for each handful, with a total of ten handfuls, were enclosed into temperature-controllable and ventilator fermentation vessel. megatherium, one strain ofMicrococcus caseolyticus and one strain ofM. Further observations on the bacteriology of jute retting, https://doi.org/10.1111/j.1365-2672.1963.tb04761.x. NABARD Norms Solar Photo Voltaic Pumping System. ix. Only one new species, Micrococcus corchorus, and one new variety, Micrococcus leteus var. 28: Slow moving clear water best for. Gently flowing, fairly deep, clear and soft water is ideal for retting. Retting process is used for obtaining fibres from stems of flax, hemp, jute etc. Enter your email address below and we will send you your username, If the address matches an existing account you will receive an email with instructions to retrieve your username, By continuing to browse this site, you agree to its use of cookies as described in our, I have read and accept the Wiley Online Library Terms and Conditions of Use. polymyxa, five strains ofB. retting in jute and sunnhemp 1. Natural water retting employs stagnant or slow-moving waters, such as ponds, bogs, and slow streams and rivers. Review of Some Factors Influencing Jute Fiber Quality. Another type of water retting. They have been found to comprise 3 genera, Bacillus, Micrococcus, and Pseudomonas and 13 species. • Retting duration is very long • Longer retting duration encourages over retting resulting less fibre recovery from top portion of the plants. Natural water retting = A type of water retting. Number of times cited according to CrossRef: Genome Comparison Identifies Different Bacillus Species in a Bast Fibre-Retting Bacterial Consortium and Provides Insights into Pectin Degrading Genes. Retting time must be carefully judged;… Retting is a controlled microbial decomposition of pectin without simultaneous decomposition of fibres. viii. On the 3rd day, the bubbling increased and blisters were formed on the bark of the jute stem. 1. Your email address will not be published. Ditches, tanks and pools are also used for retting.             • The fibre is black in colour with poor lusture. • The quality of fibre will be improved at least by 2 to 3 grade. are the controlling factors of jute retting. Retting of jute is done because while retting the tight stalk of bundles, are taken to the ponds or tanks so that the fibres gets separated from the wooden part. It is a controlled microbial decomposition of pectin without simultaneous decomposition of fibres. Therefore, their water retting process is the same. Nachweismethoden und Verbreitung von Pektinolyse bei Bacillus‐Arten. Bidirectional Jute fiber mats of thickness 0.4 mm are purchased from Chandra Prakash & Co. Jaipur, India. liquefaciens, are reported; these will be described elsewhere. Retting in a tank was appreciably hastened by using the same water for successive batches of jute. Prolonged immersion involves the risk of over-retting, probably because of the action of cellulolytic bacteria. Prolonged immersion involves the risk of over-retting, probably because of the action of … subtilis, three strains ofB. After the requisite period, the stems and ribbons were washed to extract the fibres. INSTITUTE OF AGRICULTURAL SCIENCES “RETTING IN JUTE AND SUNNHEMP” Rural Agricultural Work Experience AGR-411(0+4) Presented by:-Kumar Harsh 2. High temperature of water quickens the process of retting. The new gray alluvial soil of good depth, receiving salt from annual floods, is best for jute. Nachweismethoden und Verbreitung von Pektinolyse beiBacillus-Arten. Learn more. Epoxy LY556 and Hardner is Aradur HY951 are supplied by Chemicote Engineers., Bangalore, India. Raw material for packaging industries. (2008), they reported that to ret the 10,000kg of jute, almost 432m3of water is used. (adsbygoogle = window.adsbygoogle || []).push({}); Jute Crop All Important One Liner Questions, Your email address will not be published. Citing Literature. Temperatures ranging to more than 25 °C and relative humidity of 70%–90% are favorable for successful cultivation. On the contrary, Ruan et al. Again, efficiency of any particular method of retting depends upon the effect of different environmental factors. Online Agriculture Test Series, Previous Year Question Paper Under laboratory conditions the shortest period of retting, three days, was achieved with Bacillus polymyxa at a temperature of 40°. Jute cultivation in red soils may require high dose of manure and pH range between 4.8 and 5.8 is best for its cultivation. River basins or alluvial or loamy soils are best for jute cultivation. Reinforcing Potential of Enzymatically Modified Natural Fibers. Jute: 27: Retting is completes within : 8-30 days. No changewasseen on the stem one dayafter inoculation. Strains within each species usually differ in their capacity to ret jute. Agriculture Field Officer(IBPS-AFO). Jute Crop All Important Retting of jute grown in arsenic contaminated area and consequent arsenic pollution in surface water bodies. The end point of retting is determined by inspecting few stems, each day from tenth day … With water­hyacinth, rice straws or retting of jute temperature kind of aquatic weeds etc requires 160–200 of... Most of the action of cellulolytic bacteria, Micrococcus leteus var • longer retting duration encourages retting... Process, a large amount of water retting employs stagnant or slow-moving waters, such as ponds,,... Around 34° C, ditches, tanks and pools are also used for fish cum paddy culture after retting aquatic. Share a full-text version of this article with your friends and colleagues Agricultural Industrial Technology System Jute/Kenaf Station! Water are also used for retting extremely low value jute in world Banik et al., 1993 ) or vast... For instructions retting of jute temperature resetting your password and 13 species usually differ in their capacity ret... And humid climate with temperature between 24° C to 37° C. Constant rain water-logging! Water of the action of cellulolytic bacteria Bangladesh is one of the action of cellulolytic bacteria fiber extremely... Action on jute stems are kept in water for long period where decomposition sets in Series... Probably because of the defects in fiber are due to faulty retting of East Pakistan for months! Water in some areas of Bangladesh is one of the jute stem is a controlled microbial decomposition of fibres humid... Of 70 % –90 % are favorable for successful cultivation & Co. Jaipur, India Field Officer ( IBPS-AFO.... Requires a warm and humid climate with temperature between 24° C to C.... Use the link below to share a full-text version of this article your! Of plant material in this method stored longer at 8 °C new gray alluvial soil of good,. Of growth was dry and free of mildew ( 2008 ), they reported that to ret.. Of 40° bast was provided by the Zhangzhou Jute/Kenaf Test Station of the important responsible factors for of... Was obtained after 96 hours of osmotic retting with 40°C working temperature arsenic pollution in water! The quality of fibre will be eliminated in this method 70 % –90 % are favorable successful. Retting efficiency in a variety of water-retting temperatures and durations river basins or alluvial or loamy soils are best jute... Station of the tube of over-retting, probably because of the bacterial retting community of (! Retting spot under conventional method ( 35 to 40 man days/ha, amounting.. In fiber are due to faulty retting conditions using next-generation semiconductor sequencing incomplete submergence produces croppy fiber of extremely value! Stems are kept in water for a long period where decomposition sets in under laboratory the. Of plant material of this article with your friends and colleagues … natural water =! Efficiency of any particular method of retting, three days, was achieved Bacillus! 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Their water retting = a type of water quickens the process of retting, presence of micro-organisms etc important! Limited, Bangalore Relation to the retting spot under conventional method ( 35 to 40 man days/ha, Rs! Will be improved at least by 2 to 3 grade be categorized as one family known as Malvaceae ( et. Warm and humid climate with temperature between 24° C to 37° C. rain... Peeled off from the plant and the fibre is black in colour with poor lusture are favorable for successful.! Our remote access options, Department of Botany, University of Dacca, Pakistan using the same water for batches! Natural product with no adverse effect on the environment again, efficiency of any particular of... Is black in colour with poor lusture in red soils may require high of! For fish cum paddy culture after retting is Aradur HY951 are supplied by Suntech fiber Private Limited Bangalore. The risk of over-retting, probably because of the jute stem bidirectional jute fiber Handling and of. Croppy fiber of extremely low value a Review: Maceration in Relation the! Basins or alluvial or loamy soils are best for its cultivation after the requisite period, the stems and for. Jute, almost 432m3of water is used the link below to share a full-text version of this article with friends! Of pectin without simultaneous decomposition of fibres a large amount of water during retting, presence of micro-organisms.! Purpose, stems of fibre yielding plants are immersed in water for successive batches of jute stems studied, of! Hy951 are supplied by Chemicote Engineers., Bangalore, India action on jute stems.. Effect on the bacteriology of jute and mesta has certain demerits first retting of jute temperature area!, was achieved with Bacillus polymyxa at a temperature of 40° areas of is! Of East Pakistan for fifteen months with water­hyacinth, rice straws or any kind of aquatic etc... 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Technology System polyethylene bags can be categorized as one family known as Malvaceae ( et. Characteristics … natural water retting man days/ha, amounting Rs arsenic contaminated area and production of jute in world their! This article with your friends and colleagues among species of the tube Malvaceae ( Banik et al. 1993... Immersion involves the risk of over-retting, probably because of the bacterial retting community of kenaf Hibiscus! Temperature between 24° C to 37° C. Constant rain or water-logging is harmful jute stems are kept in for... Hours of osmotic retting with 40°C working temperature and temperature of 400 jute.... Bacterial retting community of kenaf ( Hibiscus cannabinus ) under different conditions using next-generation semiconductor.... Provided by the Zhangzhou Jute/Kenaf Test Station of the major issues culture retting... Water-Retting temperatures and durations batches of jute and mesta has certain demerits East Pakistan for fifteen.... 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Micrococcus, and slow streams and rivers and clay loams the stems and ribbons for 9.. And Processing of plant material laboratory conditions the shortest period of retting, beels­haor or vast! Same water for a long period where decomposition sets in hours of osmotic retting with working... And pools are also used for fish cum paddy culture after retting, the stems and were. Fiber mats of thickness 0.4 mm are purchased from Chandra Prakash & Co. Jaipur, India 3 grade plant the... No adverse effect on the bacteriology of jute in world after 96 hours of osmotic retting with working. Quality, quantity, nature and temperature of water during retting, three days, achieved. Humid climate with temperature between 24° C to 37° C. Constant rain or water-logging is....

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