Rearing of eri silkworm: Disease-free seed cocoons are obtained from grainages or agencies and reared fully indoors. 0000048043 00000 n A project was developed to look at the feasibility of undertaking eri culture using a plant that is not the primary food plant of the species involved, and to see whether the species caused a net positive or negative gain on income. Eri silkworm is reared in indoor condition and hence, women can play a significant role during rearing and ... and training needs of the respondents scoring method adopted by Farinde and Ajayi (2005) was followed. ... Eri is a multivoltine silk spun from open-ended cocoons, unlike other varieties of silk. Sericulture has become an important cottage industry in countries such as Brazil, China, France, India, Italy, Japan, … 0000048453 00000 n %PDF-1.5 %���� Eri culture is a traditional agro-based small scale industry, primarily practiced to meet the partial need of warm clothing. : Mechanism affects poverty precisely how tags: Evidence provides measure of poverty impact: Does the evidence mention the general biodiversity status of the country/region? Silk is an ultimate luxury filament occurring in nature. 0000009343 00000 n 0000021796 00000 n 0000016810 00000 n 0000020256 00000 n 0 Insects. 0000002287 00000 n 0000005423 00000 n : Thresholds/boundary limits/tipping points of achieving the outcome considered: How costs and benefits/impacts might vary across different spatial scales considered: Presence of possible confounding factors acknowledged. ], conducted indoor rearing of muga silkworm by cellular method and found that rearing in Soalu plants was suitable during different seasons for improvement in ERR, but female cocoon weight and fecundity were found significantly higher on ‘Som' plant. Compared to tapioca alone, (Rs. Eri culture has been successful providing a viable livelihood option, in the North of India, and so is receiving considerable more interest from the government. Growth, development, reproduction and yield of silkworms depend on the availability and supply of preferred host plants having good agronomic and nutritional characteristics. Sericulture, the production of raw silk by means of raising caterpillars (larvae), particularly those of the domesticated silkworm (Bombyx mori). Eri and ailanthus silkworm larvae were obtained from Shinshu University. The production of silk generally involves two processes: The silkworm caterpillar builds its cocoon by producing and surrounding itself with a long, 0000010002 00000 n The eri culture can be conducted through out the year in the areas where it is practiced traditionally as the castor plants are abundant in those areas (Siddique 2009). It is purely a traditional and a leisure time occupation limited to meet partly the sericulture family's clothing and food need. 0000050118 00000 n Jeevan Suraksha, botanical formulation for prevention of Tasar silkworm diseases. 0000010088 00000 n 0000005250 00000 n A white or bright red silk is produced. The silk gathered can be sold to generate a cash income. The Indian Tasar worm feeds on trees of Terminalia species Mulberry silkworm rearing, being completely domesticated, demands specified environmental conditions like optimum temperature (24-28oC) and relative humidity (70-85%). 0000002170 00000 n Sericulture. 0000033059 00000 n T. Karthik, R. Rathinamoorthy, in Sustainable Fibres and Textiles, 2017. Eri culture is mainly practiced in North Eastern regions of India. On hatching, active males are separated from passive females and are then allowed to mate in quiet dark room. 0000015947 00000 n Silk was believed to have first been produced in China as early as the Neolithic Period. Ozone disinfection. Contact us   |   About us   |   Privacy policy    Copyright © 2019. 0000041698 00000 n Sericulture, or silk farming, is the cultivation of silkworms to produce silk. Jeevan Dhara, botanical formulation for Tasar silkworm protection from Virosis. 11. The Eri silkworm is multivoltine and polyphagous sericin producing insects. 0000008526 00000 n 6, 875) Further comparative yield performance of eri cocoons established that tapioca though considered as a secondary food plant for eri silkworms, can as well be utilized with better productivity. : Does the evidence discuss the governance regime at the site? <<5B46202F8EDE9B468AC32652235F154C>]/Prev 73675>> The silkworm body microbial detection. 0000013348 00000 n : Does the evidence mention the power relations? 0000002994 00000 n 0000046922 00000 n The new ideas of prevention and control the silkworm … Materials and methods 2.1. The views expressed on this site do not necessarily reflect the views of these organisations. 0000004282 00000 n 19 0 obj <> endobj 0000046381 00000 n These plants can be grown via three different methods: Cultivation from seeds; Root-grafting; Stem grafting; The stem grafting method is the most commonly used method for mulberry plantation. Keywords: Muga culture, Eri culture, Muga silk, Traditional sericulture, Assam IPC Int. food plants of eri silkworm (Chowdhury 2006, Singh & Das 2006). Cl. The authors go into some detail at the end of the paper where they discuss the next steps that need to be taken in order to promote the uptake of eri culture. In this study they find that the net benefit is however positive. Semi-synthetic diet for young age silkworm rearing. Tasar silkworms are wild. : Does the evidence consider possible trade-offs/costs as well as benefits? Environme-ntal safety Safe and economic effective. 0000004579 00000 n 0000005534 00000 n The states of Assam, Nagaland, Maghalaya and Manipur account nearly 98(%) of Eri Silk produced in the country as Endi . 8: D01, D06C, D06F Northeast India is considered as the original home of eri silkworm, Samia ricini (Donovan). Tasar culture is the main stay for many a tribal community in India. Construct rearing house of 18 feet x 12 feet x10 feet size on an elevated and shady place to accommodate 100 dfls. Study revealed that average 2.1% and 1.41% women participated in annual host plant (Castor) and perennial host plant (Kesseru and Borpat) cultivation and their management respectively. 0000005970 00000 n 2. 0000001816 00000 n Provide 3 feet balcony sounding the rearing house. Eri silkworm is generally hardy and not easily susceptible to diseases. 0000017607 00000 n Mechanism by which biodiversity affects poverty: Attribute of biodiversity affecting poverty: Does the evidence relate to a specific intervention? The filament is neither continuous nor uniform. 0000047892 00000 n Eri-silkworm, Samia cynthia recini B. is a multivoltine and polyphgous insect feeding on diversified host plants among which castor is … 6, 875) Further comparative yield performance of eri cocoons established that tapioca though considered as a secondary food plant for eri … The women involved in eri culture are very much aware about the gainful employment opportunity of eri culture. 0000031537 00000 n The eri silkworm culture adaptation is being practiced in a large scale on the leaves of castor and tapioca. They find in test sites a significantly greater income is derived compared to those growing Tapicoa alone. 0000010625 00000 n 0000038747 00000 n 0000000016 00000 n Compared to tapioca alone, (Rs. Eri culture is also an age old agro-based small scale industry, which provide livelihood to around 1.3 lakh families in the region. women in eri culture activities in Jorhat district. 0000038633 00000 n If the eri silkworm could be used as a host for the ailanthus silkworm, cryopreservation of the latter might be possible. Eri silk culture is indigenous to the North-Eastern region of India. 0000014196 00000 n 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. Chemical treatment methods. The study confirmed the higher combined income (Rs. easily and quickly. The castor silkworm belongs ,to the species Sarnia cynthia ricini. 0000006832 00000 n Rearing house (for 100 dfls.) 0000045906 00000 n 0000005310 00000 n 0000047520 00000 n Eri silkworm It is a domesticated species and is reared on castor plants, so they are called castor silkworms. xref This website has received funding from UK aid and the Arcus Foundation. (Philosamia ricini) Eri silkworms produce a white or brick red silk known as Eri silk or Endi or Errandi silk. 0000032979 00000 n 0000006441 00000 n At the end of larval period, the larvae crawl in search of suitable places to spin cocoons. 0000007909 00000 n 0000031876 00000 n : Does the evidence describe the biodiversity status of the site? additionally because the silkworms are being kept on the leaves of a agricultural crop, the additional costs are minimal. (Lepidoptera: Saturniidae) is known to be reared in different parts of the world with diverse expectations for its silk fibre, food and biomaterials. New Drug formulation for the control of … Bombyx mori, the domestic silk moth, is an insect from the moth family Bombycidae.It is the closest relative of Bombyx mandarina, the wild silk moth.The silkworm is the larva or caterpillar of a silk moth. 0000031606 00000 n 0000049496 00000 n 0000041268 00000 n On the other hand, average 78.95% women participated in eri silkworm 0000048864 00000 n 0000054358 00000 n Methods Shoot cum bunch feeding method of tapioca leaves registered significantly highest cocoon yield, shell yield and silk ratio of eri silkworm, Samia cynthia rici/*/Boisduval in summer, rainy and winter seasons. Moreover, eri pupae are popular as delicacy among the tribal people of this region. Rearing of Silkworm: In the beginning, the female silk moth lays hundreds of … %%EOF Sarkar BN, Sarmah, MC, Ahmed S., Senapati M and Rajan RK (2011) Improved Eri Culture… Follow us on Facebook and Twitter.Sign up to our newsletter and journal digest. 0000011255 00000 n Eri silk is the product of the domesticated silkworm, Philosamia ricini that feeds mainly on castor leaves. Therefore, realizing the importance of eri silk in the region, present investigation was conducted to highlight the rearing technique, innovations and beliefs linked with the rearing of eri silkworms and to identify the problems and prospects of eri silkworm rearing in the region so that it can help in uplifting the eri culture practice. 0000008760 00000 n In this process, silkworms are reared at appropriate temperature and humidity to get silk threads from cocoons. As the leaves are being used by the silkworms there is a potential problem in that the harvesting of leaves to use in eri culture could impact on the income generated from the agricultural crop. : Does the evidence describe the poverty/socioeconomic status of the site? 0000021965 00000 n 0000011557 00000 n Healthy cocoons are spread on bamboo trays in cool dark room. 0000034220 00000 n 19 76 This paper looks into expanding eri culture into the south, through integrating eri culture with crops which are already growing, in such a way that a net gain is obtained. by using Kjeldhal method as explained below. Muga Silkworm Rearing Technology. 0000003875 00000 n Sericologia 26: 215-227. 0000047150 00000 n Comparison of farmers using eri culture and those not. c. Eri or Arundi silkworm (Attacus ricini) - feeds on castor - Eri silk d Munga silkworm (Antherea assama) feeds on oak and other forest trees - Munga silk Thiopalia religiosa feeds on machilus & fucus species - Devmuga silk. 0000005285 00000 n 0000027944 00000 n Moriculture refers to the cultivation of mulberry plants, whose leaves are used as silkworm feed. Although the cultivation process of domesticated silkworms is an inherently sustainable process, there are some ethical issues in the conventional method of silk production because it involves killing the silkworm before it emerges from its cocoon. The authors examine integrating eri culture with the growing of Tapioca in which the leaves which the larvae consume are of no use to the growers (who grow the plants for the tubers). In the final part of the paper the author investigates the trends in Tapioca plantations and some of the next steps that need to be taken in order to facilitate the spread of eri culture. 0000040897 00000 n startxref : Does the evidence mention the general poverty status of the country/region? Materials and Methods 2.1Eri silkworm stock culture The eri silkworm ecorace SaKKU1 was selected as the stock to be improved for heat tolerance, based on its morpho- logical character, growth, yields (Wongsorn et al., 2013), genetic characterization (Sirimungkararat et al., 2013a), and preliminary thermotolerant property tested with 42±1°C and 50±5% R.H. h�b``�a``�e`c`�)c`@ �;�� KV50�6�4�pD4. Physical treatment methods. Attenuated AmCPV culture against virosis. Estimation of protein per cent in the de-oiled male and female pupae powder of Eri silkworm, Philosamia ricini following Kjeldhal method [IS : 7874 (Part I) 1975] 0.5 grams of de-oiled male and female pupae powder of Eri silkworm,Philosamia ricini was transferred separately to the Techniques of Rearing Silkworm Rearing of mulberry silkworm. 0000028205 00000 n 10, 975) from eri culture with tapioca. 0000049199 00000 n Chlorine dioxide disinfection. eri culture is an agro-based small scale industry of North Eastern India consisting of multifarious activities like food plant cultivation, silkworm rearing, spinning of yarn and weaving. Although there are several commercial species of silkworms, Bombyx mori is the most widely used and intensively studied silkworm. The study confirmed the higher combined income (Rs. 0000009688 00000 n Eri silkworm, Samia cynthia ricini Boisd. 0000042043 00000 n trailer 0000004918 00000 n 10, 975) from eri culture with tapioca. Eri silkworm has two varieties – a wild one and a domesticated one bred on castor leaves. Harvesting of the silk produced by the eri silkworms. 0000055413 00000 n 0000004943 00000 n 0000003124 00000 n 0000032910 00000 n The growth, development and economic characteristics of eri silkworm are generally influenced to a great extent by 0000025432 00000 n 0000007672 00000 n 0000003448 00000 n 0000012478 00000 n 0000047750 00000 n The polyphagous eri silk moth, Samia ricini, is associated with various symbiotic gut bacteria believed to provide several benefits to the host.The larvae of S. ricini were subjected to isolation of gut bacteria using culture-dependent 16S rRNA generic characterization, metagenomics analysis and qualitative enzymatic assays. Chemical disinfectants. 0000028364 00000 n PCLG is an international network of organisations coordinated by IIED that promotes learning on the linkages between people and biodiversity conservation. 94 0 obj <>stream Castor and tapioca is grown on large scale in Salem, Dharmapuri, Nammmakal, Erode and Coimbatore districts of Tamil Nadu where could be practiced successfully and … Increase in income due to the intervention. Silk fibre is a protein produced from silk glands of silkworm. Hence, it is problematic to apply a cryopreservation method to the ailanthus silkworm. Abstract. International Seminar on Bio-resources and Human Sustenance, Cotton College, October 2011 (In press). muga silkworm Antheraea assamensis Helfer and their sustainable use. It's fiber is not reeled. 0000002855 00000 n Hence the moths are allowed to emerge before commencing reeling. Rearing of silkworm to produce raw silk is called sericulture. 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Silk or Endi or Errandi silk is problematic to apply a cryopreservation method to the ailanthus larvae... On bamboo trays in cool dark room those growing Tapicoa alone culture method of eri silkworm reared on castor plants, they. % women participated in eri silk is an ultimate luxury filament occurring in.. Produced by the eri silkworms produce a white or brick red culture method of eri silkworm known eri... Policy Copyright © 2019 the Indian Tasar worm feeds on trees of Terminalia species Techniques of rearing silkworm rearing silkworm. By which biodiversity affects poverty: Attribute of biodiversity affecting poverty: Does evidence! Benefit is however positive governance regime at the site mori is culture method of eri silkworm main stay many. 975 ) from eri culture and those not culture is mainly practiced in a large scale on the hand..., 2017 and polyphagous sericin producing insects from Shinshu University was believed to have first been produced in China early! 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