The cocoon quality and yield are adversely affected if the optimal environmental conditions i. Leaf preservation leaf preservation is more important to prevent withering of leaves. Biological and productive characteristics of silkworm. During 4th and 5th instars once in a day in case of shelf rearing. Throughout its rearing period, it has to be looked after carefully and nourished with good quality mulberry leaves. India continues to be the second largest producer of silk in the world. Silkworms eat mulberry leaves, and were native to northern china. The history of the silkworm, also the story of silk, goes back to ancient times in china. Indian silk indian agricultural resources sericulture. In a second step, sericulture practices were taken to farmers in the field on a pilot basis.
The project which began in february 2010 has five stated outputs. The silkworm is the larva or caterpillar of a silk moth. These eggs are stored over a clean paper or piece of cloth. Mulberry is exclusively used for rearing silkworm due to the presence of unique chemofactors like morin. The rearing of the mulberry silkworms is fully domesticated. Sericulture, or silk farming, is the cultivation of silkworms to produce silk. During this course, they pass through five larval instars intervened by four moults, cocoon and pupal stage. Sericulture food and agriculture organization of the united nations. The moth is important because it makes the silk, and no longer lives in the wild. The silkworm bomb mori is the larva or caterpillar of the bombyx mori moth. For this purpose fao approved a project entitled supporting sericulture rehabilitation in cambodia from its technical cooperation programme. Abstract sericulture, or silk farming, is the cultivation of silkworms to produce silk.
Mulberry is a plant that is grown for silkworm rearing. Mulberry cultivation and silkworm rearing a full guide. Late age silkworm rearing central sericultural research and. Effect of different mulberry varieties on rearing of silkworm bombyx mori l. Isaiarasu abstract the influence of the dietary supplementation of the herbal tonic alloe containing principally the extract. However, during summer the nutritional efficiency parameters were significantly higher among silkworms reared under natural temperature and. This insect is also called the silkworm moth and the mulberry silkworm fig. Sericulture in indiasericulturesubmitted by prince verma 2. Bombyx mori is monophagous and survives solely on mulberry leaves which play an important role in nutrition of the silkworm and in turn the resultant cocoons and silk production nagaraju, 2002.
Rearing of mulberry silkworm rearing house for 200250dfls. May 09, 2015 44 silkworm rearing technology in glossy leaf method selection, the mature leaves remained on the mulberry twigs after chawki rearing are fed to iv and v instar worms pluck ing from top to bottom. The silkworm bombyx mori is the chief source for the production of fabulous mulberry silk in sericulture industry. Effect of mite infested mulberry leaves on rearing performance and reeling parameters of silkworm, bombyx mori l. Silkworm cultivation the bulk of the commercial silk produced in the world comes from this variety and often silk generally refers to mulberry silk. Integrated diseases management in silkworm, bombyx mori l. Pdf antioxidant and medicinal properties of mulberry. The most common tale on the origins of the silkworm begins in 2640 b.
In the beginning, the female silk moth lays hundreds of eggs. The farmers then keep the eggs under the accurate temperature and humidity at a clean place. Mupade international journal of plant protection october, 2010, vol. Life cycle and morphology of non mulberry silkworms dr. Mahesha, yuvarajas college, university of mysore, mysuru. Sericulture is the art and science of rearing silkworm. House any building or thatch which is well ventilated may be used for rearing the worms, but mudwalled thatched houses are the best as they are cool in summer and warm in winter season. Construct rearing house of 50 feet x 20 feet x10 feet size on an elevated and shady place to accommodate 200250 dfls. Department of zoology, kakatiya university, warangal506009, india available online at. Muga silk worm is multivoltine and 56 crops are raised in a year out of which two commercial crops jethua.
Direct source of cash income and sociabilization spaces region n. Silkworm simple english wikipedia, the free encyclopedia. Find mulberry trees field growing silkworm rearing stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection. New technology for silkworm rearing central sericultural. Adequate care in terms of temperature, relative humidity and hygienic conditions should be provided to young silkworms for their good and healthy growth. It is the exclusive food for the silkworm, which during its larval life is reared for silk. Mulberry trees field growing silkworm rearing stock photo. Silkworm rearing is an extensive monthlong exercise starting from egg stage and terminating in adults laying eggs and dying their natural death. Mass young age silkworm rearing of one batch was conducted. Jarq 25, 202208 1991 varietal differences in nutritive.
Rice farming project report, paddy cultivation practices. Growth rate pattern and economic traits of silkworm, bombyx. How to grow roses from cuttings fast and easy rooting rose cuttings with a 2 liter soda bottle duration. Mar 11, 2015 now let us get into silkworm rearing in details. Located in small towns or suburban areas of cities. Plant is a potential source for curing debilitating diseases. Received 9th march 20, revised 23 rd march 20, accepted 19 th april. Apr 15, 2011 the biological and productive characteristics of heteroploid silkworm mulberry varieties of different ploidy are characterized.
In commercial races of silkworm, moulting occurs four times, lasting for 1530 hours. Silk emitted by the silkworm consists of two main proteins, sericin and fibroin, fibroin being the structural centre of the silk, and sericin being the sticky material surrounding it. These diseases are known to occur in almost all the silkworm rearing areas of the world causing considerable damage to. Mulberry silk comes from the silkworm, bombyx mori l. A silkworm s preferred food is white mulberry leaves, though they may eat other mulberry species and even osage orange. Sericulture is an important labourintensive and agrobased cottage industry. Spring silkworms by mao dun introduction beginning around 1917, chinese intellectuals began to engage each other in serious discussion and debate on culture, history, philosophy, and related subjects all with an eye to the bigger problem of chinas weakness and the possible solutions to that problem. Under ideal conditions silkworm completes cocoon formation in 2428 days from the day of hatching. Rearing and grainage performance of indian tropical tasar. Herbal tonic on silkworm journal of biopesticides, 33.
India has the unique distinction of being the only country producing all the five kinds of silk mulberry, eri, muga, tropical tasar and temperate tasar. Breeding of a silkworm variety for synnemata production of isaria. The silkworm, bombyx mori produces the silk of commercial importance. Domestic silk moths are closely dependent on humans for reproduction, as a result of millennia. The larval period of normal silkworms was 22 hr longer than the silkworms inoculated with this fungus. Automatic feeder for sericulture international journal of innovative. Mahesha h b associate professor department of sericulture yuvarajas college, university of mysore, mysore, india. Diseases of mulberry silkworm and their control dr. Impact on the silkworm performance measured in terms of larval, cocoon and silk parameters with nine combinations of leaf feed during early and late age rearing was measured besides the dust. Silk has been made for at least 5000 years in china.
The larval development and and chhattisgarh states of india, which is considered to their feeding status have impact on genital development, be the best secondary food plant for tasar silkworm,a. As a result of feeding silkworm caterpillars the leaves of polyploid mulberry varieties compared with the dip0loid variety pc109, the caterpillar stage is shortened and the viability of caterpillars and palatability and assimilability of leaves, cocoon weight, cocoon. The present study was conducted to evaluate the plantation system of mulberry suitable for larval growth of silkworm, which ultimately influences the cocoon traits such as cocoon yield, cocoon weight, shell weight, silk percentage etc. It is an economically important insect, being a primary producer of silk. A crc for brushing 50006000 dfls per batch consists of a. Nutritive effects of leaf position of mulberry plant morus alba on silkworm bombyx mori l. In this article we will discuss about mulberry silkworm. Silkworm is domesticated over thousands of years and the sole food for the growth of silkworm is mulberry leaf. Seasonal variation in food consumption, assimilation, and. Before even deciding to start raising silkworms, make sure you have either. Thousands of new, highquality pictures added every day. Nutritive effects of leaf position of mulberry plant morus.
It is the caterpillar of a moth whose cocoon is used to make silk. Diseases, pest and predator menace in outdoor and indoor reared tasar silkworm, antheraea mylitta drury daba tv shiva kumar g. However, in case of floor or shoot rearing, bed cleaning should be done once in each instar. The silkworm breed selected for the experiment was a popular bivoltine hybrid csr2. The business of rearing silkworm or silkworm rearing is known as the silkworm farming as in this business, the growing of silkworm is included. Effect of different mulberry varieties on rearing of silkworm. Male and female moths are flightless and lack functional mouth parts. A silkworm rearing house is the place where the silkworms are reared to produce cocoons.
Young age silkworm rearing house the young age silkworm rearing houses are often called as chawki rearing centre crc. Jarq 25, 202208 1991 varietal differences in nutritive values of mulberry leaves for rearing silkworms hiroaki maciill and koitsu kata giri department of seri culture, national institute of sericultural and entomological science tsukuba, ibaraki, 305 japan abstract. Provide 3 feet verandah surrounding the rearing house. Provide sufficient windows and ventilators for free circulation of air inside the rearing house. Sericulture has become an important cottage industry in. Lifecycle of silkworm with diagram biology discussion. What does do you mean by the word silkworm farming.