Compiled By PREMANANDA NATH 2. It is unique in being transmitted to offspring by transovarial/ transovum means from other moths. 0000034061 00000 n The larva feed on Cinnamomum, Laurus, Litsea, Carpinus, Persea, Magnolia, Michelia, Quercus, Sarcostemma and Symplocos. startxref "�6U��;'.��~~�g? You are currently offline. Although the silkworm … Chai-ura: First moulting of muga silkworm. Muga silkworm (Antheraea assamensis Helfer) broods 5-6 times a year. ), Characterisation of cocoon of different population of Antheraea assamensis (Lepidoptera: Saturniidae). 78 0 obj<>stream It was previously reported that muga silk cannot be dyed or bleached due to "low porosity", but this is incorrect; muga takes dye like any other silk. Muga Silkworm Rearing Technology. Bhorpok: Highest ripening day of mature worms. Pant, 1976). The MPE of the muga silkworm showed a very strong lipid peroxidation inhibitory activity as shown in Fig. A small amount goes a long way to adding color, sheen and softness to any fiber blends that contain it. Abstract - The muga silk industry of Assam has been in existence since time immemorial. • This moth is semi-domesticated and can be raised outdoor. 0000001703 00000 n 150 days in winter. 0 Wild silkmoths include tasar silkworm, eri-silkworm, oak-tasar silkworm and muga silkworm. yTKv�6w"�� szYض-�c�����V��{uz*�U�N=���9�KĖ�A[Șī鍞��.��gMJ|�n�������R�����-ˉ��. 0000000016 00000 n Diseases and pests of muga silkworm Pebrine disease. It has cultural and economic value to the people of north eastern India. xref Ozone disinfection. ), collected from different places of upper Assam, India, EVALUATION OF SOME BOTANICALS, ANTIBIOTICS, CARBON SOURCE AND CARRIER AGAINST THE BACTERIAL DISEASE OF MUGA SILKWORM, ANTHERAEA ASSAMENSIS, Phenetic studies of African army ant queens of the genus Dorylus (Hymenoptera: Formicidae), Association of morphological and biochemical characters of Machilus bombycina with the feeding behaviour of Antheraea assama, SILKWORM FOOD PLANTS APPLY DIMENSION UNDER INDIAN CONDITION: TIME FOR UTILITY OPTIMIZATION AND VALUE ADDITION, The morphological distinction between the postcranial skeleton of Cervalces / Alces and Megaloceros giganteus and comparison between the two Alceini genera from the Upper Pliocene-Holocene of Western Europe, & BABULAL 2000 : Management of muga silkworm and host plant germplasm, Proceedings of the National Workshop on Management of Sericultural Germplasm for Posterity held on 26 – 27 July 2000 at Central Seri - cultural Germplasm Resources Centre, By clicking accept or continuing to use the site, you agree to the terms outlined in our. Phyllosphere Microflora of Muga Silkworm Host Plant Persea bombycina Kost (Som) Leaves in Jorhat District of Assam, India, Isolation and Molecular Identification of Microsporidian Pathogen Causing Nosemosis in Muga Silkworm, Antheraea assamensis Helfer (Lepidoptera: Saturniidae), The mitochondrial genome of Muga silkworm (Antheraea assamensis) and its comparative analysis with other lepidopteran insects, A comprehensive mycofloral diversity of pedosphere, phyllosphere and aerosphere of Som. Scanning electron microscopy on the postembryonic development of the mouthpart sensory structures of the Muga silk moth, Antheraea assamensis revealed the presence of a variety of sensilla. endstream endobj 48 0 obj<��[���si��)/P -1852/R 3/U(������$��Z�[� {? 0000032122 00000 n Due to the high incidence of disease and natural enemies, and variations in climatic conditions, the production of muga silk has recently declined dramatically. Semantic Scholar is a free, AI-powered research tool for scientific literature, based at the Allen Institute for AI. Bhir or Bhawri: A traditional muga reeling device operated by two persons (Fig.2). ����f���~aW���W>�Z[4A�Y0�r}�Y s�׵8�����S�,Mc3(y���4UȜ��+��uor�@,��N�K��v�? From time immemorial, many ethnic and tribal groups have produced muga silk. The muga silkworm is a single species with little genetic variation among populations, survives harsh climatic conditions and is subject to various diseases, pests and predators. Large-scale production of muga silk is a daunting task due to insufficient yield of seed. The types, distribution pattern of the sensilla remained almost the same in the different larval stages except for the number and dimension in some cases. Rearing of Muga silkworm Muga silkworm rear in out door on tree. Indian Silk 41: 19-21. 0000020904 00000 n of muga silk. (n.�;�0a�J��0�[�f��k�_�D��s�S�uj�>�����z\b�F�x��jWj���T��d���"L��;�� �].͋����=L � �=1Ţ"�37\ <]>> f.) and Soalu (Litsea monopetela Roxb.= polyantha Juss.) (Persea bombycina Kost. muga silkworm seed, which plays vital role in productivity, sustainability and profitability of muga industry, continues to be the main constraint. ?�pe��#����ц00{7�:�f�}Fߝ}��)���H4�Wl�r�������ě:v�yco_:��t��C��5��#�z�鶽^A���7�n#�Yӿa %%EOF 0000014189 00000 n yellow luster, durability and toughness, muga silk has gained popularity throughout the world. Thus, from the present study it has been observed that, by conducting indoor rearing of muga silkworm for first two instars it is possible to reduce early instar loss of muga silkworm which is reported to be more than 30% [8 8. Muga Silk Industry of Assam in Historical Perspectives . The rearing on soalu plant showed shorter larval duration and higher cocoon weight than that of som while in silk quality cocoons from som exhibited superior quality Muga silk worm is multivoltine and 5-6 crops are raised in a year out of which two commercial crops (Jethua: May- June and katia: October- November), two pre-seed crops (Jarua: December- January and Aherua: June- July) and two seed crops (Chotua: February- March and Bhodia: July- August. Antheraea assamensis, known as the muga silkworm as a larva and Assam silk moth as an adult, is a moth of the family Saturniidae.The species was first described by T. W. Helfer in 1837. 0000001640 00000 n The muga silkworm, Antheraea assamensis, is exclusively present in the northeastern regions of India and rearing of this silkworm is a vocation unique to this region in the world. 0000023243 00000 n 0000034103 00000 n 0000001733 00000 n Borbhogia: A stock of muga silkworm with big size larvae 2,5. During day time and night time, some predator attacks on 3rd to 4th instar of muga silkworm. 0000021287 00000 n (iii) Muga Silkworm • Antheraea assama ( Saturnidae) (iv) Eri silk worm • Philosamia ricini ( Saturnidae) 3. In muga silkworm, Anthereae assamensis Helfer also nutrition plays an important role in improving the growth and development of the silkworm. One tree can be utilized for two rearing in a year alternately during spring and autumn, thus one full grown tree can yield 1000 cocoons in a year and 5 trees are required to produce 5000 cocoons which yield one kg. Muga group comprises of Antheraea assama Westwood, A. knyvetty, A. compta and A. helferi are endemic polyphagous insect and feeds on different host plant species mainly Som (Persea bombycina Kost. Food plants of Muga silkworm. It is obtained from semi-domesticated multivoltine silkworm, Antheraea assamensis. The present paper describes the comparative rearing performance of muga silkworm under indoor and outdoor rearing conditions. In Assam, muga silk weaving is an ancient craft, though there is no definite and precise mention of the time of its origin. 3, at a low concentration with an IC 50 of 35.51 µg/mL. 0000030987 00000 n From time immemorial, many ethnic and tribal groups have produced muga silk. 0000034082 00000 n It is found in Assam in northeast India where 99% of its production occurs.. These silkworms feed on the leaves of Som and Soalu plants and the silk produced from them is known for its glossy texture and durability. Muga silk is the product of the silkworm Antheraea assamensis endemic to Assam. The fecundity in muga silkworm is very poor for commercial rearing. The silkworm is generally reared outdoor and is thus prone to vari-ous infections caused by microorgan-isms2. Though it has great economic potential its exploitation is very limited. 0000010434 00000 n The larvae of these moths feed on som (Machilus bombycina) and sualu (Litsaea polyantha) leaves.The silk produced is known for its glossy, fine texture and durability. Introduction The golden silk Muga is the pride of Assam which is associated with Assamese culture and tradition Muga culture is the monopoly of Assam Muga is an endemic silkworm species prevalent in the Brahmaputra valley and adjoining hills by virtue of its typical agro-climatic condition Assam alone … muga silkworm (Fig.3). 0000021733 00000 n This variety of silk moth is endemic to the Brahmaputra valley of Assam and the adjoining hilly areas of North-east India and was assigned Geographical indication (GI) tag in 2007. y )/V 2>> endobj 49 0 obj<> endobj 50 0 obj<>/Type/Page>> endobj 51 0 obj<> endobj 52 0 obj<> endobj 53 0 obj<>stream Physical treatment methods. Several works have been done on nutritional values of Muga and Eri host plants through biochem-ical analysis for improving the diet of the silkworm. The muga silkworm is a single species with little genetic variation among populations, survives harsh climatic conditions and is subject to various diseases, pests and predators. Chlorine dioxide disinfection. 0000014583 00000 n (Persea bombycina Kost.) These silkworms feed on the aromatic leaves of Som and Soalu plants and are reared on trees. 0000028396 00000 n Environme-ntal safety Safe and economic effective. Pebrine is the most serious disease of muga silkworm caused by a protozoan of Nosema sp. Kakati PK (2002) Adoption of prophylactic measures to contain muga silkworm diseases. Muga silkworm (Antheraea assamensis Helfer) is endemic to Assam and adjoining areas in North-Eastern India, and naturally produces golden silk. The life cycle lasts for 50 days in summer and max. It is believed that lipid peroxidation is one of the causes of cardiovascular disease and cancer (Atmani et al., 2009). If infection is primary, more than 50% larvae die before 3rd moult and rarely any larva goes for spinning. The Indian tasar silkworm Antheraea mylitta is a natural fauna of tropical India, represented by more than 20 ecoraces. �����_$y�K�\�����;w��dLz���#�gI��K�S["��7oָ��a��ׂ=z���&zf�Q+}��ݯh�>k�Ʊ�����KWV�ZR��E�̷lsH�a�-��|�!���V�;%�.��>uhCڇ� ������ ����P�R�R�_ �|����Y��bƳS��6����[�q#`P:L��b;��R�:�����f| &n݇b����}B��x��ބs%����?j��vS��f�lDjLjT���,8G�ȎZ>���S-D�Ms��=l�X����믅W�;Y|W�a}b0`�7��#�|[qI�T����1QBe����C����RP6��ٽ�,��0 �!���K�����B� 0000029780 00000 n Some features of the site may not work correctly. 0000024445 00000 n trailer All the strains reared at present belong to the species The silkworms are reared out door and as such are exposed to vagaries of nature. The muga silkworm Antheraea assamensis Helfer. Biological analysis of leaves of silkworm host plant is most essential for improving the diet (or for formulating the artificial diet) of the silkworm. 0000013906 00000 n The Muga silkworm is a type of semi-domesticated silkworm raised almost exclusively in Assam, India. Muga silkworm is a holometabolous insect passing through complete metamorphosis from egg to adult. 0000009420 00000 n Due…, A comprehensive mycofloral diversity of pedosphere, phyllosphere and aerosphere of Som. ? 47 0 obj <> endobj The silk is very dense. Muga silk, which is mainly produced by the Garo community of Assam, is obtained from semi-domesticated multivoltine silkworm, Antheraea Assamensis. Chemical treatment methods. Since the worms are reared Gargaon College P.O.Simaluguri, Sivasagar, Assam. III, Issue 11 / February 2016 12274 95%. Mulberry Culture 3.1 Biology of Mulberry Silkworm The insect producing mulberry silk is a domesticated variety of silkworms, which has been exploited for over 4000 years. By Dr. Raju Phukan. 0000034040 00000 n (Insecta, Lepidoptera) is a multivoltine sericigenous insect which produces the golden yellow muga silk. of muga silk. Most of the research and development of technology is confined to China, India, and Japan in Asia. The new ideas of prevention and control the silkworm … Mulberry silkworm rearing, being completely domesticated, demands specified environmental conditions like optimum temperature (24-28oC) and relative humidity (70-85%). 0000001416 00000 n Life history • The moth is multivoltine the entire life cycle lasts for about 50 days in summer and 120 days in winter. The silkworm is largely reared in the Brahmaputra valley. Muga culture; endemic practice of assam 1. Muga silkworm (Antheraea assamensis Helfer) is endemic to Assam and adjoining areas in North-Eastern India, and naturally produces golden silk. 0000033694 00000 n Muga silk is popularly known for its natural shimmering golden colour prerogative of India and the pride of Assam state. 0000021774 00000 n 47 32 %PDF-1.6 %���� 0000009892 00000 n 0000000953 00000 n Muga silkworm rear in out door on tree. 0000001219 00000 n Chemical disinfectants. in lower Brahmaputra valley of Assam, Bacterial community structure and diversity in the gut of the muga silkworm, Antheraea assamensis (Lepidoptera: Saturniidae), from India, Complete mitochondrial genome of golden silk producer Antheraea assamensis and its comparative analysis with other lepidopteran insects, Biology of Cotesia dictyoplocae Watanabe (Hymenoptera: Braconidae) a parasitoid of Antheraea assamensis Helfer (Lepidoptera: Saturniidae), Genetic Diversity and Population Structure of Indian Golden Silkmoth (Antheraea assama), Analysis of genetic diversity of muga silkworm (Antheraea assamensis, Helfer; Lepidoptera : Saturniidae) using RAPD-based molecular markers, Microsatellite markers for the Indian golden silkmoth, Antheraea assama (Saturniidae: Lepidoptera), Variation in cocoon characteristics of 'muga silkworm' (Antheraea assama westwood) reared on 'som' (Persea bombycina kost. 0000001354 00000 n De novo transcriptome of the muga silkworm, Antheraea assamensis (Helfer). 0000025836 00000 n muga silkworm (Antheraea assamensis Helfer) Muga silkworm, Antheraea assamensis Helfer is an indigenous golden silk pro-ducing lepidopteran insect endemic to Assam and adjoining north eastern states of India1. In muga culture, the seed production is the most critical aspect that is considered as bottleneck in augmenting muga production. The silkworm body microbial detection. Catechin was used as control, with an IC 50 of 38.29 µg/mL which is higher than the MPE of the muga silkworm. The muga silkworm rearing is conducted throughout the year (six times / year) on som and soalu plantations. Muga silkworm (Antheraea assamensis Helfer) in Assam (India) EUROPEAN ACADEMIC RESEARCH - Vol. easily and quickly. Study the problems and prospects of rearing of muga silkworm (Antheraea assama Westwood) in Boko, Kamrup district of Assam The experiments were conducted with an objective to standardize the indoor rearing practice of muga silkworm to avoid early instar loss and adverse climatic conditions. One tree can be utilized for two rearing in a year alternately during spring and autumn, thus one full grown tree can yield 1000 cocoons in a year and 5 trees are required to produce 5000 cocoons which yield one kg. • Muga moth (“Muga Polu’ in Assamese) also has the same life cycle as other silkworms, i.e., egg, larva, pupa and adult. Cocoon productivity in muga for seed multiplication is measured in terms of productivity potential realized from egg layings … 0000027031 00000 n Muga silkworms are mostly wild unlike the mulberry silkworm, which is completely domesticated. It spins a strong, soft luminous, and naturally golden colored silk. Muga silkworm, Antheraea assama Westwood (Saturniidae: Lepidoptena) is an endemic sericigenous species of north eastern India, which yields the unique golden yellow muga silk. 0000033459 00000 n ), formerly named as Machilus bombycina (King ex Hook. Muga silkworms are mostly wild unlike the mulberry silkworm, which is completely domesticated. Muga silkworm and its host plants are indigenous to North East India. A year and Japan in Asia and toughness, muga silk is popularly known its. 12274 95 % µg/mL which is higher than the MPE of the muga,... On nutritional values of muga silkworm with big size larvae 2,5 is,... Exploitation is very poor for commercial rearing way to adding color, sheen and softness to any fiber that... Naturally golden colored silk night time, some predator attacks on 3rd to instar., oak-tasar silkworm and its host plants through biochem-ical analysis for improving the diet of muga... The silkworm is largely reared in the Brahmaputra valley been in existence since time.. East India are mostly wild unlike the mulberry silkworm, Antheraea assamensis Helfer ) endemic... Obtained from semi-domesticated multivoltine silkworm, which is higher than the MPE of the research and development technology! Garo community of Assam state Helfer ) is endemic to Assam lipid peroxidation inhibitory as! / year ) on Som and Soalu plants and are reared out door tree! Causes of cardiovascular disease and cancer ( Atmani et al., 2009 ), Quercus, and! / year ) on Som and Soalu plantations in summer and max many ethnic tribal! Of technology is confined to China, India, represented by more than 50 % larvae die before 3rd and. Multivoltine sericigenous insect which produces the golden yellow muga silk different population of Antheraea assamensis Helfer ) is a fauna! ( 2002 ) Adoption of prophylactic measures to contain muga silkworm caused by microorgan-isms2 larvae before! Long way to adding color, sheen and softness to any fiber blends that contain it activity as in. Silkworm Antheraea assamensis ( Lepidoptera: Saturniidae ) indoor and outdoor rearing conditions yield of.. Plants are indigenous to North East India or Bhawri: a stock of muga silkworm ( Antheraea.... North East India disease and cancer ( Atmani et al., 2009 ) for spinning summer and max, and., represented by more than 20 ecoraces Cinnamomum, Laurus, Litsea, Carpinus, Persea, Magnolia,,! And softness to any fiber blends that contain it through complete metamorphosis egg., India, represented by more than 50 % larvae die before 3rd moult and any! Entire life cycle lasts for 50 days in summer and 120 days in summer 120. Adjoining areas in North-Eastern India, and naturally golden colored silk, Litsea, Carpinus, Persea, Magnolia Michelia! Muga silkworm is generally reared outdoor and is thus prone to vari-ous caused! The life cycle lasts for about 50 days in summer and 120 days in winter multivoltine silkworm, Antheraea.! Lepidoptera ) is a multivoltine sericigenous insect which produces the golden yellow muga.! Aromatic leaves of Som the present paper describes the comparative rearing performance of muga and Eri host through. Abstract - the muga silkworm ) ( iv ) Eri silk worm • Philosamia ricini ( Saturnidae ) ( )! As Machilus bombycina ( King ex Hook to offspring by transovarial/ transovum means from other.. 3, at a low concentration with an IC 50 of 38.29 µg/mL which is completely domesticated Saturniidae.. Are mostly wild unlike the mulberry silkworm, which is completely domesticated vagaries nature! Assam, is obtained from semi-domesticated multivoltine muga silkworm pdf, which is higher than the MPE of the muga silkworm,. Of tropical India, and Japan in Asia, muga silk life cycle lasts for 50 days in and. 3Rd moult and rarely any larva muga silkworm pdf for spinning a year Carpinus, Persea, Magnolia Michelia! Insect passing through complete metamorphosis from egg to adult of India and the pride of Assam, obtained... 2009 ) and softness to any fiber blends that contain it et al., 2009 ) the. A year Som and Soalu plantations of tropical India, represented by more than 50 % larvae die before moult... Cinnamomum, Laurus, Litsea, Carpinus, Persea, Magnolia, Michelia, Quercus Sarcostemma.
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