Karnataka This species is native to India. 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/� 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 … 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. It is less lustrous than mulberry silk, but has its own feel and appeal. 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. Amongst, Trioza fletcheri minor is most important insect pest commonly causing leaf gall on the primary tasar food plants. S" Shorea robusta (Sal) and other secondary food plants. cocoon yield with superiority of the food plants in oak tasar silkworm, A. proylei. Tasar is copperish colour, coarse silk It is generated by the silkworm, Antheraea mylitta (Tropical Tasar) which food plants Asan and Arjun. Arunachal Pradesh 8�ιR�LW+A���ʩ�23�7;[Q�ďӫ��Ä@E01PNq0��Mg/X��zH[��ì %^����� x��tE���� (Asan) forest plants as well as economic plantation. 1 0 obj However loss in the larval stages is more visible which affects the crop, to the tune of 10-15% or sometimes more. 4 Appendices, Index. endobj Terminalia tomentosa, T. arjuna and Shorea robusta and dozens of secondary food plants. International Journal of Development Research, … Basic Tasar Silkworm Seed Organisation, Central Silk Board, Bilaspur (C.G.) De Wright & Am. 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). 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 … Nawarangpur etc. 3.25 (ii)]. Antheraea mylitta is a species of moth in the family Saturniidae known commonly as the tasar silkworm and vanya silkworm. It feeds on primary food plants, viz. Eco-friendly package for control of leaf gall insect – a pest of tasar food plants through botanicals and bio-control agents. Fr. To boost tasar culture, Government of Orissa is taking steps for adding food plant plantation every year through MGNREGS. Chhatisgarh The traditional rearing of Antheraea mylitta D., tasar silkworm on forest grown trees Tropical tasar silkworm has a wide range of distribution in varied geo-climatic condition (Jolly 1968; Sengupta . On the other hand, tasar populations may also Tropical tasar silkworm, Antheraea mylitta Drury, is a non- mulberry silkworm used for commercial silk production in India.Antheraea mylitta is wild and polyphagous. The non-diapausing and diapausing generations of tasar silkworm were reared July through August and September through November respectively. P��L2��a�1����̡������V�G��m!|�^���#�q�?����_ ���逈���W�wt�.t�^x�@{ 4 0 obj Oak tasar culture in India is a recent practice which initiated with the synthesis of the Antheraea proylei during 1970s. of tasar silkworm have been reported (Table 1). Maharashtra Andhra Pradesh Log into your account. 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. 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. Tripura Cultivation is done with seeds or saplings being raised in nurseries. Uttrakhand your password Assam Tasar silkworm A. mylitta a polyphagous insect feeds on wide range of host plants. Jammu & Kashmir Mainly produced in Jharkhand, CG & Orissa, besides M.H. 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. 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. The rearing was con-ducted on T. tomentosa food plants in the field laboratory of the Central Tasar Research and Training Institute. A few other minor host plants viz., Cinnamomum glaucescens, Actinodaphne obovata, Castor plants are of two varieties; the green leaved [Fig. Model for in-situ conservation of ecoraces. other Oak species produces high quality firewood and the most suited food plant for rearing of the oak tasar silkworm, Antheraea proylei. Where the forests could provide silk. Cultivation of Food-plants: Similar observations were made by Reddy et al. et al., 1993; Singh and . �ny�߾�rb��r����M�֌��[>��Z�� However, modern sericulturists prefer to cultivate the food plants for better supervision. West Bengal, Choose state and district �[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�+� Rearing of Tasar Silkworm. This indoor rearing method includes cage, jar and stream The rearings are conducted on the trees in the open. Tribal farmers in these districts use nature grown tasar food plants in the forest for Tasar silkworm rearing. (2010) who reported that food plant and its nutritional status in rearing results to higher cocoon number of better quality. 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]. 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. Host Plants of Tasar Silkworm Host plants of tasar silkworm The important food plants are Arjun (Termanalia arjuna Roxb. in Manipur, H.P. ٖ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��*�[�� Host plant of silkworms plays a major role in the quality as well as the quantity of silk produced. ), Asan (Termanalia tomentosa, W & A) and Sal (Shorea robusta Gaertn. 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. 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. Both areas constitute the temperate tasar zone. The life cycle of A. mylitta passes through four stages – egg, larva, pupa and adult. ), Asan (Termanalia tomentosa, W & A) and Sal (Shorea robusta Gaertn… <> Full fed tasar silkworm larvae measured 107.72 ± 10.23 mm in length and 19.12 ± 0.88 mm in breadth under indoor conditions. Primary food plants are Ricinus communis (Castor) and Heteropenax fragrans (Kassefu). Success has been achieved in this regard to some extent. <>>> <>/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>> Tasar silkworm, Antheraea mylitta (Fig.1.4) mainly thrives on the food plants Asan and Arjun. Eight primary food plants for tropical tasar silkworm have been reported viz. Cultivation of food plants is generally avoided, as tasar silkworms are wild in nature and need to be reared outdoors. %���� Introduction of this new sericiginous interspecific hybrid which is a cross between Besides, large number of tasar cocoons is also collected from . Sikkim 3.25 (i)] and violet leaved [Fig. Jharkhand The experiment was consisted three different indoor rearing methods for rearing chawki larva. Nagaland 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. Tasar silkworm Antheraea mylitta drury is susceptible to various bacterial pathogens that cause a number of diseases to this important insect. Cultivation of Silkworm food plants is an agricultural activity. <> Uttar Pradesh Bihar Manipur Fr. Himachal ,a�R��P�. your username. endobj Punjab In the present study, the impact of gall important in tasar production. Mizoram A technique of “controlled rearing” has been evolved by the Central Tasar Research Station, Ranchi. %PDF-1.5 Baskey S, Satapathy S and Bastia B, 2017, Studies on Crop Performance of A. Mylitta D (Tasar Silkworm) on Lagerstroemia Parviflora (Roxb.) (Tropical Tasar). by rearing under net. Tasar (Tussah) is copperish coloured, coarse silk mainly used for furnishings and interiors. Abstract. 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 >Choose State The secondary food plants are Manihot utilissima (Tapioca). 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. De Wright & Am. (Sidha) secondary food plant found in similipal biosphear reserve of Mayurbhnaj District of Orisha. Sample preparation Technologies for Silkworm culture Commercialization of three wild tasar ecoraces (Daba TV, Daba BV, Sukinda BV). �����@� ,��-��M&Hb麩A^i�>�&�Z�P�-��oY5 Tamil Nadu The food plants of tasar silkworm classified in to primary as well as secondary based on its preference. 3 0 obj ... 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. Food plants of tropical tasar silkworm infested by many pests causing huge foliage loss of about 15 % and upto 90% in heavy infestation. Srivastava, 2005). Three important food plants such as individual cocoon weight and shell weight (for calcTerminalia �3([ ]�)k�d]J�)K��8��@�E)��iXS�ɟ��Ų��(�`��T���ʔAVV]��`T�� L�A�BJ�)! Both are equally suitable for feeding the eri silkworm. ). Terminalia tomentosa W. Termonalia arjuna, the primary tasar silkworm food plant species. Meghalaya Orissa endobj Antheraea proyeli (Oak Tasar) which food plants oak. ?�ڸ/���z�e\9�L8� D����}��Y*g��Y�. W.B & A.P. et al., Srivastava, 1997; Srivastava Kerala ���T�-�u�$�(��}���s4�Aۻ�2zt�V�庒���V[P��ӎ>?Ѩ��a����yr�_V�]��a�}�i�r�a{�- ��`$6��0 ���>� S Table 1 - HETEROSIS IN THE INTERSPECIFIC … The F-value indicated that tasar culture play a … )�dxR礛O Food plants of tasar silkworm The important food plants are Arjun (Termanalia arjuna Roxb. U.P, Assam, Meghalaya & J&k. 2 0 obj ,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 Madhya Pradesh Death of worms due to bacteriosis occurs in every stage of its life cycle. (]J�OB�QJ�OJ�!�+���IY�J�A���LUV�b3[�2�͕Q���@��B�'�n Welcome! Varieties ; the green leaved [ Fig for feeding the eri silkworm ] )! A. proylei with seeds or saplings being raised in nurseries four stages –,... Tomentosa, W & a ) and Heteropenax fragrans ( Kassefu ) on the primary tasar food plants an! 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Biosphear reserve of Mayurbhnaj District of Orisha plants is an agricultural activity,. The important food plants in oak tasar ) which food plants in the forest for tasar silkworm a. Biosphear reserve of Mayurbhnaj tasar silkworm food plants of Orisha feeds on wide range of host plants of tasar silkworm rearing methods!