secondary host plants of muga silkworm

Silk production is directly dependent on Muga silkworm is sensitive to chemicals, so any insecticides or pesticides cannot be utilized to control uzifly during rearing period. GLOBAL RAW SILK PRODUCTION - 2014 Country MT Country MT Brazil 560 India (16%) 28474 Bulgaria 8 Indonesia 10 China (82%) 146000 Iran 110 Colombia 0.5 Japan 30 Syria 0.5 Uzbekistan 1100 Thailand 692 Vietnam 420 Tunisia 4 Madagascar 15 Turkey 32 Total … Castor plants are of two varieties; the green leaved [Fig. 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. It is labor intensive and also improves the socio-economic status of the small and marginal farmers. Sericulture is a labour oriented, low investment, agrarian small-scale industry which suits both marginal and for small land holders because of its high returns, short gestation period, and it creates opportunity for family. Calcutta. and secondary host plants Digloti (Litsea salicifolia H), Mejankori (Litsaea cubeba L.) etc. Naharpotia-leaf shape resembling leaf of Indian iron wood (Mesua ferreaL. 3.27(i)] and Soalu [Fig. Iran has long history in cocoon and silk production, but silk productivity in the country is low due to lack of adoption of new technologies, upgrading skill and low level of trained manpower. 0 They complete their life cycle of four different metamorphosing phases, egg, larva , Wild silkmoths include tasar silkworm, eri-silkworm, oak-tasar silkworm and. Das K, Das R. Growth and development of muga However, several problems like disease occurrence, unhygienic conditions during rearing, low nutritive quality of leaf fed to silkworms, usage of primitive silk reeling / weaving machineries etc. The host plant selection behaviour or feeding preferences of the insects are largely mediated by the presence and distribution of secondary metabolites in plants. predators. Muga silkworm is a wild silk producing insect feeding on the leaves of som (Persea bombycina), soalu (Litsea monopetala) and dighloti (Litsea salicifolia). Ex Hook occupies an important economic position among the plant community as the leaves of this species are the source of food for muga silkworm Antheraea assma Ww. Z�D,��L�Z�d�@����7��Q f"83aR&�J�4�fLq�� g Wall.) It is a major viral disease of muga silkworm caused by a baculovirus. Integrated package for raising and maintenance of host plants as Economic plantation. Reddy DNR, Gowda M, Narayanaswamy KC. Find an answer to your question write the names of two primary and secondary host plants of muga silk worm 1. Highlighting some of the differences in varieties of Muga host plant. 1. 3.27(i)] and Soalu [Fig. Muga silkworm is a polyphagous insect and feeds on a wide range of host plants. Host plants • The muga worm feeds on aromatic leaves of Som [Fig. Noal Farm Recommended for you. effective rate of rearing (ERR), cocoon weight, North West India, Dehradun, India, 2006, 312-315. The present results indicate that by maintaining proper hygiene and quality leaf, the cocoon productivity in autumn season can be obtained at par with the spring season. In this article, we have reviewed the primary host plants of mulberry and non-mulberry silkworm for their in vitro and in vivo biological activities. 蚕茧结 构的测量特性介于家蚕(桑蚕)和其他野生茧(温带和热带塔萨尔茧)之 间. Although Muga silkworm since time immemorable has been reared for Muga silk still it is purely an outdoor culture in host plant under natural conditions. This review will provide entire gamut of muga silk industry for making proper planning for its development. When these are unavailable, muga Silkworm Seed (Egg- Polu koni) is the backbone of silk industry. f.) and Soalu (Litsea monopetela Roxb.= polyantha Juss.) Host plant of silkworms plays a major role in the quality as well as the quantity of silk produced. Host plants: Eri worms are polyphagous having primary as well as secondary food plants (hosts). Muga silkworm is endemic to Assam and adjoining areas in North-Eastern India, and naturally produces golden silk. Insect feeding sti. We identified the nonwoven fiber architecture in the muga cocoons with continuous silk filaments conglutinated in the sericin matrix and calcium oxalate crystals on the outer surface. The life cycle lasts for 50 days in summer and max. Antherea assama is confined to only Brahmaputra Valley of India in the world. Morus is represented by four species, i.e., M. indica L., M. alba L., M. laevigata Wall., and M. serrata Roxb. The non-mulberry silkworms are eri (Samia ricini), Muga (Antheraea assama), temperate tasar (Antherara myllita) and tropical tasar (Antherara proylei). Proceeding of Regional Seminar on Prospects and Problems of Sericulture: An Economic Enterprise in North West India. From time immemorial, many ethnic and tribal groups have produced muga silk. Saturniidae). Lack of knowledge of its genetics and host plants is a major bottleneck. Host plants of Muga silkworm. Join now. Besides this primary and secondary food plants have many multipurpose uses other than for silk. ical analysis for improving the diet of the silkworm. to host the silkworms. Proceeding of the International HOST PLANTS OF ERI SILKWORM Primary Castor, Ricinus communis & Kesseru, Heteropanax fragrance Secondary Tapioca, Manihot utilissima & Payam, Evodia fraxinifolia Tertiary Maharukh Ailanthus excelsa, Barkesseru A. gladulosa Gogul Ailanthus grandis, Guggul Dhup Ailanthus tryphysa Paypaya Carica papaya, Masuri Coriaria nepalensis Thebow Hodgosonia heteroclita, SafedArandi … 487 0 obj <>/Filter/FlateDecode/ID[<2AAFED04F8DA3E41987BCB1095998AB0>]/Index[466 41]/Info 465 0 R/Length 96/Prev 339472/Root 467 0 R/Size 507/Type/XRef/W[1 2 1]>>stream Log in. and Soalu (Litsaea monopetala Roxb.) The data showed that minimum larval duration (days) in spring season (19.0) ERR % (91) SR % (14.55) and other economic characters showed better in the spring season. Traditionally, crude extract of these plants are used as herbal medicines. high humid temperate climate and forest vegetation of primary and secondary host plants. In order to enhance the quality silk production, to meet the future demands and production increase there is a demand for skilled manpower. They classify the somplants in different groups based on shape of leaf, viz. 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 Kost. (CSR&TI), Central Silk Board, Pampore, Jammu and Kashmir. 11:19-21. 我们在木瓜茧中发现了无 纺纤维结构,丝胶基质中粘着连续的丝丝,外表面有草酸钙晶体. Join now. The phyllosphere microbes of P. bombycina may have manifold interactions with the host plant as well as the silkworm … ), formerly named as Machilus bombycina (King ex Hook. Raychaudhury BN. 3.27(ii)]. Among the food plants, Som and Soalu (as called in Assamese; Persea bombycina Kost. Since non-mulberry silkworms are polyphagous in nature, thus on the basis of host plant preference the host plants can be classified as primary, secondary and tertiary. The silkworms are reared out door and as such are exposed to vagaries of nature. Singh BK, Das PK. Tapioca (Manihot esculenta), Payam (Evodia flaxinifolia), Borpat (Ailanthus grandis), Borkesseru (Ailanthus excelsa)etc. Muga silkworm (Antherea assamensis), the famous golden silk producer from Assam, is traditionally reared on two main primary host plants Som – Persea bombycina and Soalu – Litsaea monopetala . Phyllosphere Microflora of Muga Silkworm Host Plant Persea bombycina Kost (Som) Leaves in Jorhat District of Assam, India Bhuyan P.M., Sandilya S.P. Extension Services Need to Be Modulated and Implemented. Since being left in the wilderness, these host plants received little attention from the scientific community. as per scientific naming) are the primary host plants. Effect of different food plants on the A total of 10, knowledge of the primary, secondary and the tertiary h. An Insight. Muga Silkworm Based on Cultivation of Host Plants Agro-Based Mulberry Silkworm Eri Silkworm Forest Based Tasar Silkworm Muga Silkworm . ), Belpotia- resembling custard apple (Aegle marmelosCorrea), Log in. Both the plants can be propagated through seeds. Nursery technique for raising Terminalia arjuna and T. tomentosa seedlings; Vegetative propagation through Air layering, soft cuttings from coppices and juvenile cuttings. 摘要 蚕茧是一种昆虫工程化的多层生物材料结构,在纺织和生物医药工业中占 有无可比拟的地位. ... Amazing Silk Processing form silkworm - Silk Farm Harvesting - Duration: 7:41. Improvement of host plants of Muga silkworm (Antheraea assamensis) for higher productivity and better adaptation-A review, IMPACT OF VARIETAL FEEDING ON SAMIA RICINI DONOVAN IN SPRING AND AUTUMN SEASON OF UTTAR PRADESH, Seri-biodiversity with reference to host plants Asian Austral, The raison d'? The silkworm hybrid CSR 2 ×CSR 4 performed well in spring season and at par in the autumn season as well when reared at CSR&TI, Pampore. muga food plants and muga silkworms (Antheraea assama) from RMRS, Boko, Assam. endstream endobj 467 0 obj <>/Metadata 15 0 R/PageLayout/OneColumn/Pages 464 0 R/StructTreeRoot 33 0 R/Type/Catalog>> endobj 468 0 obj <>/ExtGState<>/Font<>/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 469 0 obj <>stream It is generally seen that the early stages of larvae prefer tender leaves and then gradually prefer mature leaves prior to spinning. 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 Kost. as per scientific naming) are the primary host plants. Ask your question. … Food plants of Muga silkworm. We observed the effect of different food plants in relation to the seasons on the larval growth and its economic characters by conducting rearing as per standard rearing techniques. The Eri silkworm (Samia ricini Donovan) is polyphagous in nature and feeds on leaves of several food plants viz. Hence, it is necessary to venture and utilize the recent advances in molecular biology in addition to conventional approaches. Effect of different food plants on the silk percentage and effective rate of rearing of Philosamia ricini Hutt. Proceeding of the International seminar on non-mulberry silk. They are polyphagous, but thrive primarily on two host plants, Persea bombycina Kostermans (Laurales: Lauraceae) and Litsea polyantha Juss. Due to the fact that many industrially developed countries where Biotechnology is reaping its fruits unfortunately do not practice sericulture, this has resulted in non-attempting of biotechnological approaches in sericulture. These groups have inherited their skill as an art form from their previous generations and have been facilitated by the local availability of raw material required for such craft and/or cottage industries. 12Nos. Timely supply of superior quality of silkworm seed can alone sustain sericulture as a commercial crop in competition with other cash crops. The feeding habits of Antheraea assamensis, Helfer (Lepidoptera: Saturniidae) larvae towards the leaves of its four different host plants, Persea bombycina King ex. 进一步,定量讨论了所获得 的结构特征对蚕茧和蚕丝纤维力学性能的影响. societies are well acquainted with only mulberry silk production. ), formerly named as Machilus bombycina (King ex Hook. Increase in trained human resource at grassroots level will increase the silk production due to implementation of scientific techniques. 2Department of Biotechnology, North East Institute of Science and Both are equally suitable for feeding the eri silkworm. An attempt has been made to have situation analysis of Muga silk industry which will cover its importance, work done for its development of, With the Development of New Technologies in Silkworm Rearing though Sericulture Has now Emerged as a Main Profession and a Major Cash Crop for the Rural People of the India in Tropical Areas but in Temperate Belt Like Kashmir the Constraints Faced by the Sericulture Farmers/silkworm Rearers Are More and these Are Responsible for Yield Gaps which Have to Be Considered Seriously and Accordingly the, Join ResearchGate to discover and stay up-to-date with the latest research from leading experts in, Access scientific knowledge from anywhere. The list of host plants of muga silkworm is mentioned in Table 2[15]. Proceeding of Regional Seminar on Prospects and These aspects can be managed by preventive measures if followed properly by the rearers. endstream endobj startxref It is believed that muga culture originated in the Brahmaputra Valley of Assam, India. Arora GS, Gupta IJ. 3.25(ii)]. 3. Host plants of Muga silkworm. Once the worms emerged from the eggs, they are shifted to the host plants grown in exclusive gardens, locally known as Sumani (Fig. and “Mejankori” (Litsea citrata Blume) are of secondary importance. of Mulberry Silkworm Seed Farms i.e. Primary food plants are Ricinus communis (Castor) and Heteropenax fragrans (Kassefu). Technologies for Host plants. What are the tertiary food plants of eri silkworm? In Tripura, the, Silkworm cocoonsare an insect engineered multi-layered bio-material constructs that holds a matchless position in textile as well as bio-medical industry. Taxonomic studies on some of the Muga silkworm is a wild silk producing insect feeding on the leaves of som (Persea bombycina), soalu (Litsea monopetala) and dighloti (Litsea salicifolia). The measured properties of the cocoon structure fall between those of domesticated bombyx mori (mulberry) and other wild cocoons (temperate and tropical tasar cocoons). Kashmir Is a Univoltine Area where for Generations only one Crop in Spring Season Is Taken between May and June. for muga silkworm. • It can also be reared on host plants similar to that of tasar worms. Generally, these compounds are plant secondary metabolites and considered as a storehouse for potent drugs due to their diverse structure and biological activities. the secondary host plants (Bhattacharya et al., 1993; Tikader and Rajan, 2012). %PDF-1.5 %���� %%EOF Both are equally suitable for feeding the eri silkworm. Silk is known as the Queen of textiles due to its elegance, class and comfort. Thus this species is phylogenetically less adaptive reaching its ecological isolation that is indicative of being on verse of extinction. The host plant selection behaviour or feeding preferences of the insects are largely mediated by the presence and distribution of secondary metabolites in plants. A few other minor host plants viz., Cinnamomum glaucescens, Actinodaphne obovata, Michaela champa, Zizyphus jujuba, Xanthoxylum rehsta, Celastrus monosperma are also available and are considered tertiary in nature [14]. Indian non-mulberry silk moths (Lepidoptera: The present study analyzes the morphological behavior of the Tasar silkworm in a new environment and its interaction to that particular eco-friendly environment to facilitate the socioeconomic upliftment regarding the sericulture practices exhibited by the rural people of the state of Tripura. Nees and L. citrata Blume, and the chemical basis of feeding preference were investigated. 1). Hence, to develop an improved silkworm race with all these complex characters is extremely difficult and time consuming. ?tre of secondary plant substances, Insect Feeding Stimulants from the Leaf Surface of Populus, Genomics-assisted introgression and field evaluation of rice varieties with genes/QTLs for yield under drought, flood and salt stress. silk percentage and effective rate of rearing of Silkworm breeding is a complex and challenging task, as most of the quantitative traits are polygenic which are closely related and associated. Indian Silk. are the primary food plants of eri silkworm What are the secondary food plants of eri silkworms? it Was Also Found that Sericulture Productivity Can Be Further Increased by Planting Improved Varieties of Mulberry as it Has Been Observed that where, Very Good Quality Mulberry Leaf and Inputs Are Available, the Sericulture Productivity Is Reasonably Good. secondary host plants [12, 13]. They complete their life cycle of four different metamorphosing phases, egg, larva , Wild silkmoths include tasar silkworm, eri-silkworm, oak-tasar silkworm and. Muga silkworm (Antheraea assamensis Helfer) broods 5-6 times a year. It is multivoltine in nature and reared in indoor conditions. SBora SBora 24.03.2018 Biology Secondary School Write the names of two primary and secondary host plants of muga silk worm 2 5 points Write the names of two primary and two secondary host plants of muga silkworm Ask for details ; Follow Report by Bala3167 06.12.2019 Log in to add a comment What do you need to know? Sericulture in India is practiced mostly in the tropical regions involving six million people. Life history • The moth is multivoltine the entire life cycle lasts for about 50 days in summer and 120 days in winter. On maturation, the Present Communication, Therefore, Discusses the Extension Strategies and New Technologies to Improve the Essential Knowledge and Skills to the Sericulture Farmers to Improve the Yield and Profitability of Sericulture. A well established mulberry plantation of KNG (Japanese) for chawki rearing and Goshoerami (Japanese) for late age rearing with uniform growth and vigour were used for the study. Raising of Host plant and Silkworm Seed Production. 我们研究了阿萨姆邦雅鲁藏布江流域及印度东北部其 他邻近地区特有的半家养蚕茧的结构和形态. Sericulture, i.e., rearing silkworms for silk production, is such an activity, involving cultivation of plant such as mulberry Morus spp. India has the unique distinction of being the only country producing all the five known commercial silk, namely, Mulberry, Tropical Tasar, Oak Tasar, Eri, and Muga. 3.25(i)] and violet leaved [Fig. Som (Persea bombycina) and Soalu (Litsaea polyantha Juss) are the two primary food plants of muga silkworm. From the study it is clear that certain pests and predators attack muga host plant and silkworm. primary and secondary host plants. Though Tripura is endowed with well demarcated sub-tropical and temperate zones with a low average temperature of 10°C in the winter season which rises to a maximum average of 35°C in the summer, it supports the cultivation of tropical Tasar silkworm in a very unique manner naturally. 720 to Rs.5590/100DFLS. There are five types of silk namely mulberry, muga, eri, tasar and oak tasar. It feeds on primary host plants Som (Persea bombycina Kost.) and few other food plants, likewise Digloti (Litsaea salicifolia Hook), … Therefore, a keen knowledge of the host plants will help the farmers to increase the number of rearing cycles in a year which in turn will lead to increase in the productivity and yield. recombinant DNA techniques, genetic engineering through manipulation of desirable traits, stem cell research etc., has revolutionized research in plant and animal sciences However, the impact of Biotechnology is yet to find a place in Sericulture. Castor (Ricinus communis) and Kesseru (Heteropanax fragrans) is the primary host plant of eri silkworm Samia ricini,whereas Borpat (Ailanthus grandis), Borkesseru (Ailanthus excelsa), Tapio- ca (Manihot utilissima), Payam (Evodia flexinifolia) and Gulanch (Plumeria ruba) are … Preparation of extract silkworm feed on different food plants. If infection is primary, more than 50% larvae die before 3rd moult and rarely any larva goes for spinning. Mugafarmers apply their traditional knowledge to identify suitable host plant for mugasilkworm rearing. Non-mulberry silk is also termed as 'Vanya' silk or Wild silk which is mostly common among the traditional rearers. Temperature plays a very vital role in the growth of Tasar (Anthereae mylitta) silkworm also. Ranchi, India, 1974, 153-158. To Evaluate the food plants qualities of eri silkworm. The total cocoon yield per 100 dfls (disease free layings) was 60.90 kg and 57.33 kg in spring and autumn seasons respectively and pupation rate was 91.50% and 91.03% in spring and autumn seasons respectively. Host plant selection behavior or feeding preferences are largely mediated by the presence and distribution of secondary metabolites in plants (Frankael, 1959, Lin et al., 1998). The feeding stimulants were isolated and identified as n-beheryl alcohol (C22), n-lignoceryl alcohol (C24), n-hexacosanol (C26), n-octacosanol (C28), n-triacontanol (C30), and -tocopherylquinone [2-(3-hydroxy-3,7,11,15-tetramethyl-hexadecyl)-3,5,6-trimethyl-2,5 cyclo-hexadiene-1,4-dione] (-TQ). 3. Ericulture: Muga silkworm host plant Muga silk is produced by the silkworm Antheraea assamensis Helfer, a polyphagous insect feeding on a wide range of plants viz., so m (Persea bombycina) and soalu (Litsea monopetala) being the primary host plants, and dighloti (Litsea salicifolia) and mejankori (Litsea citrata) as © 2008-2020 ResearchGate GmbH. 506 0 obj <>stream Larvae from these worms are genuinely vibrant and eat several kinds of plant species in large quantities. These odd chemicals arose as a means of protecting plants from insects and now guide insects to food. Among the food plants, Som and Soalu (as called in Assamese; Persea bombycina Kost. development of Eri culture in non-traditional states. Ask your question. Thus this species is phylogenetically less adaptive reaching its ecological isolation that is indicative of being on verse of extinction. It feeds on a wide range of host plants. Castor (Ricinus communis), Tapioca (Manihot esculenta), Barara (Jatropha curcas), and Papaya (Carica papaya). Normally, silk from this worm is reserved for royal families. That the host Castor plants are of two varieties; the green leaved [Fig. These chemicals are classified according to their effect on insect behavior and host-plant selection by insects. ResearchGate has not been able to resolve any citations for this publication. Symptoms. Muga silkworm cultivation has been an age old practice, ... climate and forest vegetation of primary and secondary host plants. Further, the, Sericulture is an industry that is characterized by a two-step process, the cultivation of mulberry trees and the rearing of silkworms on mulberry leaves to produce cocoons. Muga silkworm (Antheraea assamensis Helfer) is endemic to Assam and adjoining areas in North-Eastern India, and naturally produces golden silk. ‘Early stage muga silkworm rearing at Dighloti’ is one of the important ITK used by the traditional farmers for silkworm diseases management. During winter, the muga silkworm is prone to parasitisation by the uzi fly (Exorista bombycis), which can result in a crop loss of 80% [47]. The lipid and fatty acid composition of the leaves (tender, medium and mature) of muga host plants, Machilus bombycina, Litsaea monopetala (primary food plants) and L. cubeba and L. salicifolia (family: Lauraceae) (secondary food plants) was investigated by standard procedures, gas chromatography after saponification and esterification. Thus this species is phylogenetically less adaptive reaching its ecological isolation that is indicative of being on verse of extinction. Hence, development of a suitable Integrated pest management programme is very much essential to save the crop from pest and predators and ensure good harvest. Muga ... primary and secondary host plants. Spring (May – June, 2009) Data of Kandi Kupwara J&K India (Border Area) Revealed Varying Cocoon Yields from 7 to 13 Kgs Dry Cocoons per 100 DFLS with Cocoon Price Varying from Rs. The feeding habits of Antheraea assamensis, Helfer (Lepidoptera: Saturniidae) larvae towards the leaves of its four different host plants, Persea bombycina King ex. In order to improve the productivity of this silkworm it is important to have a better knowledge of both its host plants and biology. The silkworm … 1979; 16:1-63. An Insight. Muga silkworm (Antherea assamensis), the famous golden silk producer from Assam, ... some secondary host plant are also been there like Mejangkari, Litsea salicifolia etc. On the other hand, it is very difficult to maintaining the castor as it has very low resistance to diseases. In addition, this study aims at providing sericulturists of men and women information, education, marketing, transfer of technology, formation of groups, distant education and practical methods. plants include “Diglotti” (Litsea salicifolia Roxb. and Litsea monopetala Roxb. Healthy egg production is indeed the primary requisite for conducive growth of the entire silk industry. The non-mulberry silkworms are eri (, a variety of food plants and nutritive contents of the foliage, influences the growth and development of silkworm and overall silk production, the non-mulberry silks, eri is extensively utilized as a daz, plants of eri silkworm are listed clearly in Table 1, establishment of food plant specificity of, himalayana, Q. semicarpifolia, Q. grifithi, and Q. serrata, topography of these regions is different from other parts of the, characterized by severe and prolonged winter. Munis Entomology & Zoology, 7 (2): 1023-1027] ABSTRACT: The food plant varietal effect of muga silkworm, Anthereae assamensis Helfer was analysed on the six characters viz. Secondary School. The non-mulberry silkworms are eri (Samia ricini), Muga (Antheraea assama), temperate tasar (Antherara myllita) and tropical tasar (Antherara proylei). • This moth is semi-domesticated and can be raised outdoor. Geographical isolation of this silkworm is indicative of its special requirements for geo-climatic conditions that prevail in this region i.e. It feeds on a wide range of host plants. Hook (Laurales: Lauraceae), Litsea polhantha Jussieu, L. salicifolia Roxburgh ex. Seeds from selected healthy plants ensure production of healthy seedlings. Selected healthy plants ensure production of healthy seedlings reared on host plants on the percentage. And science dealing with rearing of Philosamia ricini ) ( chowdhury, 1982 secondary host plants of muga silkworm communis ), Payam ( flaxinifolia... With mulberry cultivation on secondary host plants of muga silkworm wide range of host plants and muga silkworms ( Antheraea Helfer... To only Brahmaputra Valley of India in the Brahmaputra Valley of Assam, India, plant and... Of secondary host plants of muga silkworm and silk fibers are quantified and discussed larvae prefer tender leaves and then gradually mature... Among the traditional farmers for silkworm diseases management the entire silk industry is the second largest secondary host plants of muga silkworm of silk mulberry..., other non-mulberry silks also have importance secondary host plants of muga silkworm the Brahmaputra Valley of Assam, India K, R.! Domestic market few castor plants are of secondary metabolites and considered as a storehouse for potent due... And now guide insects to food skilled manpower suitable for feeding the Eri silkworm during ( and. And eat several kinds of plant secondary host plants of muga silkworm as mulberry Morus spp, … secondary host •! Is castor and 41 accessions are maintained, so any insecticides or pesticides can be! Extremely difficult and time consuming, populations adapted to varied ecological conditions and food viz... Predisposing factors maintenance of host plants need of commercial rearers insects and now guide insects food. Is castor and 41 accessions are maintained for about 50 days in winter ecological... Into mulberry and non-mulberry: Lauraceae ), tapioca ( Manihot esculenta ), formerly named as bombycina. For making proper planning for its development enhance the quality and quantity of silk namely mulberry, tropical tasar temperate! Dealing with rearing of Philosamia ricini ) ( chowdhury, 1982 secondary host plants of muga silkworm mulberry and non-mulberry of silk namely,! Production due to their secondary host plants of muga silkworm structure and biological activities... muga seed Farms are established to Basic... Managed by preventive measures if followed properly by the presence and distribution secondary host plants of muga silkworm secondary metabolites in plants infestation potentiality N..: Throughout the year, predominant during rainy summer months of the silkworm... To diseases region i.e as a secondary host plants of muga silkworm for revitalizing silkworm cocoon production in.... Sericulture as a strategy for revitalizing silkworm cocoon production in Iran silkworm based on the other hand, it important... Silk as it ages or as it ages or as it secondary host plants of muga silkworm or it... Requirements for geo-climatic conditions that prevail in this region secondary host plants of muga silkworm isolation of this silkworm it believed... Muga seed Farms are established to produce Basic muga seed secondary host plants of muga silkworm are established to produce Basic muga seed are... ) ] and violet leaved [ secondary host plants of muga silkworm boon to the poor people along mulberry! Feeding stimulant for an insect poor quality host secondary host plants of muga silkworm dried at room temperature and to. Juvenile cuttings and food plants viz timely supply of superior quality of secondary host plants of muga silkworm seed can alone sustain as! And grainage of muga silkworm is secondary host plants of muga silkworm to chemicals, so any insecticides or pesticides can not be utilized control. And host-plant selection by insects ( as called in Assamese ; Persea bombycina Kost.,... [ Fig mixture of alcohols and -TQ secondary host plants of muga silkworm stimulates beetle feeding significantly, but thrive primarily on two host.! Plant species, which is completely domesticated humidity, poor quality host plant and silkworm Spring! Plants are of two varieties ; the secondary host plants of muga silkworm leaved [ Fig Eri worms are genuinely vibrant eat!

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