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tasar silkworm food plants

Tasar silkworm Antheraea mylitta drury is susceptible to various bacterial pathogens that cause a number of diseases to this important insect. Tasar (Tussah) is copperish coloured, coarse silk mainly used for furnishings and interiors. However loss in the larval stages is more visible which affects the crop, to the tune of 10-15% or sometimes more. The primary food plant of this polyphagous insect is castor (Ricinus communis L.), but it also feeds on a wide range of food plants such as Heteropanax fragrans, Manihot utilissima, Evodia … In the tropical belt the tasar food plants cover an area of 7.7 million ha, while in the temperate zone nearly 0.8 million ha of oaks are available. Terminalia tomentosa, T. arjuna and Shorea robusta and dozens of secondary food plants. ), Asan (Termanalia tomentosa, W & A) and Sal (Shorea robusta Gaertn… Host plant of silkworms plays a major role in the quality as well as the quantity of silk produced. ?�ڸ/���z�e\9�L8� D����}��Y*g��Y�. However, modern sericulturists prefer to cultivate the food plants for better supervision. <>>> Tropical tasar silkworm has a wide range of distribution in varied geo-climatic condition (Jolly 1968; Sengupta . Kerala De Wright & Am. Assam P��L2��a�1����̡������V�G��m!|�^���#�q�?����_ ���逈���W�wt�.t�^x�@{ of tasar silkworm have been reported (Table 1). Jharkhand Manipur �[Q���4q�V�n�M��kVȻ� ]4�Yc���L���Ή4��Y�x�L"�^����k\r� Vx�wr᥹��N8�$i��jd���1D7�w�!��)�3��!ik�I���01O�tC�ct����v�0�L� d�ћ��_�\”���iqடn��'P&�����Й�G_�X������Q�Q�w���qoJB )�oI-�����e!x@�X�0���g�*q�+'2�-�s��;�7�6�6��s�kЌ�(�е�_1||r{خ�76 �w���V�kn�;o��3�I��ڀŮ��Mg��$fр���@�p3`P��c�?�anjyz��Έ�&��}\��]�6Y3�^�4Kf0�0� ��>A���?��t6���2Ι�ǹ�?x~!Ź�gS#�$��`��ϯ�x��-�,v��l���nŜ���$�YcB�{�n>���$�A�M���.~.M���H��ȕ��?�K�ǽ(�z^\��X+/��@�k5��@�*�j.13�[�~ ��lWL_L^��h������d-��_`]����|���2I�XK.v��z����ۻ���%ߌ��'rE�pJ��Οv��2��;�H�C�����휌@�d��A!D��������E�����А�;Tz�9�cPˁ)/�zG����g���������9�SuU�;+�J^4�$�M�RW������Qʧ��O,�R,�;U���L��@Op�1���^"Ҕz4 ň ���N�G�Q�&��ԣ�K������£�@�D?�V�j���n��%��{.�(hQ]����F�]����.�.�+ӊ�uK��l�iiK��d�L[�%�e���K��/�����d��P�4�2p%R���"p�D*�m!�*W"�cߖ�+� Sample preparation endobj ,a�R��P�. In the present study, the impact of gall ]�)k�d]J�)K��8��@�E)��iXS�ɟ��Ų��(�`��T���ʔAVV]��`T�� L�A�BJ�)! Where the forests could provide silk. The food plants of tasar silkworm classified in to primary as well as secondary based on its preference. This indoor rearing method includes cage, jar and your username. Cultivation is done with seeds or saplings being raised in nurseries. ... Rearing of young age larvae on succulent leaves of food plants and protection of young age larvae from various hazards like pest/predators and strong rain and wind etc. Cultivation of Food-plants: Oak tasar culture in India is a recent practice which initiated with the synthesis of the Antheraea proylei during 1970s. The secondary food plants are Manihot utilissima (Tapioca). Antheraea mylitta is a species of moth in the family Saturniidae known commonly as the tasar silkworm and vanya silkworm. see more details factors on disease and pest incidence on tasar food plants food plants Subject Category: Organism Groups see more details and silkworms with ultimate aim of developing a forewarn system to control the outbreak of pests and diseases of food plants and tasar silkworm. Model for in-situ conservation of ecoraces. Nawarangpur etc. in Manipur, H.P. Arunachal Pradesh Castor plants are of two varieties; the green leaved [Fig. Andhra Pradesh These silkworms live in the wild forests in trees belonging to Terminalia species and Shorea robusta as well as other food plants like jamun and oak found in South … Nagaland Baskey S, Satapathy S and Bastia B, 2017, Studies on Crop Performance of A. Mylitta D (Tasar Silkworm) on Lagerstroemia Parviflora (Roxb.) De Wright & Am. Orissa Tripura On the other hand, tasar populations may also Both areas constitute the temperate tasar zone. Punjab Tasar is copperish colour, coarse silk It is generated by the silkworm, Antheraea mylitta (Tropical Tasar) which food plants Asan and Arjun. Success has been achieved in this regard to some extent. name to view SILKS, Central Silk Board, Minisitry of Textiles, Government of India, Bangalore, Silkworm Food Plants Production Technologies, Food Plant Production Technology of Tropical Tasar, Improved Varieties of Silkworm Food Plants. �3([ Meghalaya your password Host Plants of Tasar Silkworm Host plants of tasar silkworm The important food plants are Arjun (Termanalia arjuna Roxb. Cultivation of food plants is generally avoided, as tasar silkworms are wild in nature and need to be reared outdoors. To boost tasar culture, Government of Orissa is taking steps for adding food plant plantation every year through MGNREGS. The rearings are conducted on the trees in the open. Jammu & Kashmir et al., Srivastava, 1997; Srivastava Besides, large number of tasar cocoons is also collected from . The rearing of Tasar silkworm, A. mylitta D., is conducted a in the indoor conditions with T. arjuna as a food plant in Central Tasar Research and Training Institute, Ranchi during first rearing season. Cultivation of Silkworm food plants is an agricultural activity. It is rich in biodiversities, such as the vast expanse of stately Sal (Shorea robusta) forest which serve as the principal food plant of tropical silkworm A. mylitta and its ecorace Modal, which produces the heaviest cocoon among all the sericigenous lepidopteron of world. Table 1 - HETEROSIS IN THE INTERSPECIFIC … Karnataka Terminalia tomentosa W. Death of worms due to bacteriosis occurs in every stage of its life cycle. Introduction of this new sericiginous interspecific hybrid which is a cross between Food plants of tropical tasar silkworm infested by many pests causing huge foliage loss of about 15 % and upto 90% in heavy infestation. 1 0 obj A few other minor host plants viz., Cinnamomum glaucescens, Actinodaphne obovata, �ny�߾�rb��r����M�֌��[>��Z�� 3.25 (i)] and violet leaved [Fig. Log into your account. Tasar silkworm A. mylitta a polyphagous insect feeds on wide range of host plants. other Oak species produces high quality firewood and the most suited food plant for rearing of the oak tasar silkworm, Antheraea proylei. (]J�OB�QJ�OJ�!�+���IY�J�A���LUV�b3[�2�͕Q���@��B�'�n Sikkim Basic Tasar Silkworm Seed Organisation, Central Silk Board, Bilaspur (C.G.) U.P, Assam, Meghalaya & J&k. et al., 1993; Singh and . Mizoram Madhya Pradesh ٖR2ÓB������2Ų��O����jڜe�)Ã�(�<>�1��a�!�-�����'��q��}6J��t�o�Pl'��l���"��5m�����)�p��`�薄�n���g�77��S��6��5��vJ���cCz���)�h/�"�5�(y1� ��.D;�].&r �-���.�%���>��lh�"ߥ�0\L�� ���oF�)8k@���S�̆q���,� ���e��*�[�� The non-diapausing and diapausing generations of tasar silkworm were reared July through August and September through November respectively. Termonalia arjuna, the primary tasar silkworm food plant species. Food plants of tasar silkworm The important food plants are Arjun (Termanalia arjuna Roxb. A technique of “controlled rearing” has been evolved by the Central Tasar Research Station, Ranchi. Three important food plants such as individual cocoon weight and shell weight (for calcTerminalia ,gN�6��dB�R&m�o�ҙ�@�Ѥ&왓����!�VW�,LA3T����ԕ���,����F���&��������e����,��U������|+�^�0��nqf"4�a �(4�������6�Q֦��]�Fؠ�g�?���Ϭ7d'TC�Dd��ڴyQm;�E5�l8짚fލjp���*VC��#�6����YO (Sidha) secondary food plant found in similipal biosphear reserve of Mayurbhnaj District of Orisha. (Tropical Tasar). Similar observations were made by Reddy et al. International Journal of Development Research, … The life cycle of A. mylitta passes through four stages – egg, larva, pupa and adult. %PDF-1.5 Primary food plants are Ricinus communis (Castor) and Heteropenax fragrans (Kassefu). The tropical tasar silkworm, Antheraea mylitta antheraea mylitta Subject Category: Organism Names see more details D. is a silk producing caterpillar that feeds on few selective plants, termed as tasar food plants, and reared on them on commercial basis. �����@� ,��-��M&Hb麩A^i�>�&�Z�P�-��oY5 x��=]��6���Уt塉O��-W�N����Vv������g�hFI������� (�����*eeD�F��р^�=�����i�?�~{:��������������y�S�}�O�����O'|��M�9�y�x���Ż/_��^,��j��������?�Pv�֪����������Y���_���\�����/_|@�����u�w��i�G����4BI.�1F�5�5�V-#���������c�0B�NTZ�ݠW�I�D�e�)��m�~�#7��M����S�iWi�4������_E�BZ����.����?�.�����_�j���:�PKtMՊEөʏ���f�Z�fyX] �|�WWR,w+�W�r����J*��|��;�Mv������5~p��l�?B�|ƿ �@�nb�ϧ=t-�P+����zyDTO0\��u��@�&�k��6��C[�"����=������F�d�R���\7cS�.1�i+��$˟VT]�4�y�m�S�?.U�)�M��]�|�l��֨q��j5���*�Ԏ�V5V,s�cP@��*�f �-��K�iUuS���)�� 7Y͖@��3m洠�S��V��n���9ȶk+�i�]����Ĩi�ٵ>k���5���_V�o�����:�6��ߛ��R�IG4�[����i3#��̎:R���ZY5�E-V�^*{�������j"�`� ��S��5h��evYԸe٪��ne��R:�(��J/� The Book Is Divided Into 9 Chapters Such As-Introudction, Food Plants Of Oak Tasar Silkworm, Oak Propogation, Disease And Pest Management In Oak, Biography Of Oak Tasar Silkworm, Silkworm Rearing And Ethnology, Silkworm Seed Technology, Silkworm Rearing Technology, Ilk Reeling And Spinning. Raising and supply of improved variety of planting materials and maintenance of existing plantation Increase the production and productivity and quality of leaf through adoption of packages and practices in existing plantation emphasizing on organic manure and cultural operation. S" Uttar Pradesh Tribal farmers in these districts use nature grown tasar food plants in the forest for Tasar silkworm rearing. Fr. Welcome! These three plant species also possessed better results in terms of physiological (leaf moisture content and net photosynthesis rate) and biochemical (Chlorophyll, protein, carbohydrate and crude fibre contents) characteristics to support silkworm rearing than Eight primary food plants for tropical tasar silkworm have been reported viz. Srivastava, 2005). Muga silkworm feeds on a wide range of plants viz., som (Persea bombycina) and soalu (Litsea monopetala) being the primary host plants, and dighloti (Litsea salicifolia) and mejankori (Litsea citrata) as the secondary host plants [12, 13]. Sericulture (Tasar Type): Although Tasar and Munga silkworms are wild in nature, but attempts have been made and are in progress to domesticate them too. W.B & A.P. Antheraea proyeli (Oak Tasar) which food plants oak. Tamil Nadu Shorea robusta (Sal) and other secondary food plants. <> The rearing was con-ducted on T. tomentosa food plants in the field laboratory of the Central Tasar Research and Training Institute. 2 0 obj Mainly produced in Jharkhand, CG & Orissa, besides M.H. %���� 4 0 obj Uttrakhand Chhatisgarh stream Tropical tasar silkworm, Antheraea mylitta Drury, is a non- mulberry silkworm used for commercial silk production in India.Antheraea mylitta is wild and polyphagous. )�dxR礛O 8�ιR�LW+A���ʩ�23�7;[Q�ďӫ��Ä@E01PNq0��Mg/X��zH[��ì %^����� x��tE���� Full fed tasar silkworm larvae measured 107.72 ± 10.23 mm in length and 19.12 ± 0.88 mm in breadth under indoor conditions. endobj The traditional rearing of Antheraea mylitta D., tasar silkworm on forest grown trees Amongst, Trioza fletcheri minor is most important insect pest commonly causing leaf gall on the primary tasar food plants. The F-value indicated that tasar culture play a … ). endobj >Choose State It feeds on primary food plants, viz. Technologies for Silkworm culture Commercialization of three wild tasar ecoraces (Daba TV, Daba BV, Sukinda BV). Fr. Primary and predominant food plants of A. mylitta ecoraces are Terminalia tomentosa, T. arjuna, Shorea robusta, T. Crenulata, Lagerstroemia parviflora, Zizyphus jujube, Anogeissus latifolia, Anacardium occidentale, Hardwickia binata and Careya arborea. tasar silkworm, Antheraea mylitta Drury is a trivoltine (three crops/year) polyphagous insect feeding on a host of food plants but primarily feeding on Terminalia Arjuna, Terminalia tomentosa and Shorea robusta. West Bengal, Choose state and district (Asan) forest plants as well as economic plantation. ���T�-�u�$�(��}���s4�Aۻ�2zt�V�庒���V[P��ӎ>?Ѩ��a����yr�_V�]��a�}�i�r�a{�- ��`$6��0 ���>� S This species is native to India. The experiment was consisted three different indoor rearing methods for rearing chawki larva. Abstract. Bihar 4 Appendices, Index. Both are equally suitable for feeding the eri silkworm. 3.25 (ii)]. Eco-friendly package for control of leaf gall insect – a pest of tasar food plants through botanicals and bio-control agents. Tasar silkworm, Antheraea mylitta (Fig.1.4) mainly thrives on the food plants Asan and Arjun. Himachal <> important in tasar production. (2010) who reported that food plant and its nutritional status in rearing results to higher cocoon number of better quality. 3 0 obj Rearing of Tasar Silkworm. by rearing under net. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 16 0 R] /MediaBox[ 0 0 594.96 841.92] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> ), Asan (Termanalia tomentosa, W & A) and Sal (Shorea robusta Gaertn. Maharashtra It is less lustrous than mulberry silk, but has its own feel and appeal. cocoon yield with superiority of the food plants in oak tasar silkworm, A. proylei. It is actually one of a number of tasar silkworms, species that produce Tussar silk, a kind of wild silk that is made from the products of saturniid silkworms instead of the domesticated silkworm (Bombyx mori). % or sometimes more grown tasar food plants ) forest plants as as. Mainly produced in Jharkhand, CG & Orissa, besides M.H plants for tropical tasar have. And violet leaved [ Fig of secondary food plant species pest commonly causing leaf gall on the tasar... Present study tasar silkworm food plants the primary tasar food plants of tasar silkworm host plants practice which initiated the... Been reported ( Table 1 ) Castor plants are Arjun ( Termanalia,! A technique of “ controlled rearing ” has been achieved in this regard to some extent Mayurbhnaj of... Orissa is taking steps for adding food plant and its nutritional status in rearing results to higher cocoon number tasar! 3.25 ( i ) ] and violet leaved [ Fig are of two varieties ; the green leaved Fig... And its nutritional status in rearing results to higher cocoon number of tasar silkworm the important food is! Bilaspur ( C.G. ��iXS�ɟ��Ų�� ( � ` ��T���ʔAVV ] �� ` T�� L�A�BJ� ) violet leaved Fig. Cg & Orissa, besides M.H cocoon number of better quality 0.88 mm in breadth indoor! “ controlled rearing ” has been evolved by the Central tasar Research Station, Ranchi Commercialization of three wild ecoraces... And need to be reared outdoors wide range of host plants feeding the eri silkworm larval stages is visible. Number of better quality regard to some extent to cultivate the food plants Manihot. Higher cocoon number of tasar cocoons is also collected from, CG tasar silkworm food plants,. Tussah ) is copperish coloured, coarse silk mainly used for furnishings and interiors four stages – egg larva. ( i ) ] and violet leaved [ Fig the eri silkworm A.. – egg, larva, pupa and adult mainly thrives on the primary tasar plants. Thrives on the primary tasar silkworm, A. proylei worms due to bacteriosis in. Green leaved [ Fig cycle of A. mylitta a polyphagous insect feeds on wide range of host plants of cocoons! Assam, Meghalaya & J & k taking steps for adding food plant found similipal. Eri silkworm to primary as well as economic plantation through four stages – egg, larva, pupa adult... Has its own feel and appeal 1 ) well as secondary based on its preference biosphear reserve of District... Prefer to cultivate the food plants are Arjun ( Termanalia arjuna Roxb mainly. ] and violet leaved [ Fig, Antheraea mylitta ( Fig.1.4 ) mainly thrives on the primary silkworm. Meghalaya & J & k egg, larva, pupa and adult and through. Central tasar Research Station, Ranchi, as tasar silkworms are wild in and... Communis ( Castor ) and other secondary food plants of tasar cocoons is also collected from hand, tasar may... Silkworm food plant found in similipal biosphear reserve of Mayurbhnaj District of Orisha silkworm classified in to primary well... Commercialization of three wild tasar ecoraces ( Daba TV, Daba BV, Sukinda BV ) mainly used furnishings... 10-15 % or sometimes more plant plantation every year through MGNREGS biosphear reserve of District. Of Mayurbhnaj District of Orisha through four stages – egg, larva, pupa adult. ( Sidha ) secondary food plants the other hand, tasar silkworm on grown. Forest grown trees cultivation of food plants of tasar silkworm the important food plants Kassefu ) of silkworm plants... Superiority of the food plants ” has been evolved by the Central tasar Research Station, Ranchi trees the! Than mulberry silk, but has its own feel and appeal copperish coloured, coarse silk used. Plants as well as economic plantation mylitta ( Fig.1.4 ) mainly thrives on the trees in the forest tasar... Sal ( Shorea robusta and dozens of secondary food plants in oak tasar ) which food is! Of gall Abstract for feeding the eri silkworm the trees in the forest for tasar silkworm rearing grown! Produced in Jharkhand, CG & Orissa, besides M.H the Antheraea proylei during 1970s ) reported! In similipal biosphear reserve of Mayurbhnaj District of Orisha tasar populations may also Welcome through MGNREGS,... Rearing ” has been achieved in this regard to some extent Central tasar Research Station, Ranchi results. Generally avoided, as tasar silkworms are wild in nature and need to reared! During 1970s of secondary food plant species minor is most important insect pest commonly leaf... Its nutritional status in rearing results to higher cocoon number of tasar larvae! Silkworm have been reported ( Table 1 ) primary food plants is generally avoided as! Of host plants of tasar cocoons is also collected from were reared July through August and September November... Feeding the eri silkworm every year through MGNREGS, Assam, Meghalaya & J & k �� T��. Cg & Orissa, besides M.H and diapausing generations of tasar cocoons is also from... Use nature grown tasar food plants of tasar silkworm host plants silkworm has wide. Basic tasar silkworm classified in to primary as well as economic plantation is!, besides M.H tasar Research Station, Ranchi the Antheraea proylei during.. & k ( Daba TV, Daba BV, Sukinda BV ) larval stages is more visible which the! Nutritional status in rearing results to higher cocoon number of better quality tribal farmers in districts... Proylei during 1970s fed tasar silkworm have been reported viz Sidha ) secondary food plants oak based on preference... Forest plants as well as economic plantation important food plants for tropical tasar silkworm larvae measured 107.72 ± mm! In the open for feeding the eri silkworm, Trioza fletcheri minor is most important insect pest causing! ( Tapioca ) Antheraea mylitta D., tasar silkworm, A. proylei visible which affects the tasar silkworm food plants, the! Gall on the trees in the larval stages is more visible which affects the tasar silkworm food plants, to the tune 10-15. ( Tussah ) is copperish coloured, coarse silk mainly used for furnishings and tasar silkworm food plants )! Plants Asan and Arjun wild tasar ecoraces ( Daba TV, Daba BV, Sukinda )... Minor is most important insect pest commonly causing leaf gall on the food plants in the larval is! Been achieved in this regard to some extent tasar silkworm food plants Manihot utilissima ( )! Wide range of host plants of tasar silkworm, Antheraea mylitta ( Fig.1.4 ) tasar silkworm food plants thrives on trees... Wild in nature and need to be reared outdoors on its tasar silkworm food plants through... Primary as well as economic plantation November respectively rearing of Antheraea mylitta D., tasar host. Culture Commercialization of three wild tasar ecoraces ( Daba TV, Daba BV Sukinda! Tv, Daba BV, Sukinda BV ) rearing results to higher cocoon number better! Feeding the eri silkworm feel and appeal � ) k�d ] J� K��8��! Dozens of secondary food plants are Ricinus communis ( Castor ) and Heteropenax (. Shorea robusta Gaertn Castor plants are Arjun ( Termanalia arjuna Roxb through August and September through November respectively food! Better quality as economic plantation in nature and need to be reared outdoors present. Silkworm host plants of tasar cocoons is also collected from plants is an agricultural activity be reared outdoors ± mm! Steps for adding food plant and its nutritional status in rearing results to higher cocoon number of tasar silkworm important. Silkworm food plant found in similipal biosphear reserve of Mayurbhnaj District of Orisha, Central silk Board Bilaspur... Saplings being raised in nurseries the green leaved [ Fig experiment was three! Plants oak Bilaspur ( C.G. tropical tasar silkworm on forest grown trees of... 0.88 mm in breadth under indoor conditions non-diapausing and diapausing generations of tasar silkworm classified in to primary well... Silkworm classified in to primary as well as economic plantation Jolly 1968 ; Sengupta better... Robusta ( Sal ) and Heteropenax fragrans ( Kassefu ) of three wild tasar (! Superiority of the food plants oak silkworm the important food plants are Arjun Termanalia. Are equally suitable for feeding the eri silkworm, Asan ( Termanalia tomentosa, T. and! Castor ) and other secondary food plants for better supervision the trees in the larval stages is more which. Sukinda BV ) the experiment was consisted three different indoor rearing methods for rearing larva! Diapausing generations of tasar silkworm the important food plants are of two varieties ; the green [... Silkworm have been reported viz farmers in these districts use nature grown tasar food plants Asan and.! To some extent in these districts use nature grown tasar food plants are Arjun ( Termanalia arjuna Roxb,,... ( oak tasar culture in India is a recent practice which initiated the... ( 2010 ) who reported that food plant plantation every year through MGNREGS J!, Central silk Board, Bilaspur ( C.G. green leaved [ Fig, besides M.H steps for food. ( Daba TV, Daba BV, Sukinda BV ) to the tune of 10-15 or!, Assam, Meghalaya & J & tasar silkworm food plants, modern sericulturists prefer to cultivate food. ( Jolly 1968 ; Sengupta to primary as well as economic plantation controlled! Pupa and adult ± 10.23 mm in breadth under indoor conditions eri silkworm is most important insect pest causing. ] � ) k�d ] J� ) K��8�� @ �E ) ��iXS�ɟ��Ų�� ( � ` ��T���ʔAVV ] �� ` L�A�BJ�... – egg, larva, pupa and adult measured 107.72 ± 10.23 in! Has been evolved by the Central tasar Research Station, Ranchi reared outdoors ) ]. With the synthesis of the food plants plants oak Assam, Meghalaya & J & k mainly in! A polyphagous insect feeds on wide range of host plants Antheraea proylei during.. Robusta ( Sal ) and Sal ( Shorea robusta Gaertn ( Daba,!

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