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M A N N A M M E M O R I A L T R A I N I N G C O L L E G E

Sericulture 2

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Page 1: Sericulture 2

MANNAMMEMORIALTRAININGCOLLEGE

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WELCOME

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SERICULTURE

Name : Fousiya.A.ROptional : Natural Science

Reg.no :18114354006

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SSeerriiccuullttuurree oorr ssiillkk ffaarrmmiinngg iiss tthheerreeaarriinngg ooff ssiillkkwwoorrmmss ffoorr tthheepprroodduuccttiioonn ooff ssiillkk.. AAlltthhoouugghh tthheerreeaarree sseevveerraall ccoommmmeerrcciiaall ssppeecciieess ooffssiillkkwwoorrmmss ;;bboommbbyyxx mmoorrii iiss tthheemmoossttwwiiddeellyy uusseedd aanndd iinntteennssiivveellyy ssttuuddiieeddssiillkkwwoorrmm..

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LIFECYCLEOFSILKWORM

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STEPSOFPRODUCTION1. The si l k mot h l ay t housands of eggs.2. The si l k mot h eggs ha t c h t o f orm lar vae or c a t er pi l l ar sk now n as si l k w orms.

3. The lar vae f eed on mulberr y l eaves.4. Having grow n and moul t ed several t im es si l k w ormw eaves a net t o hold i t sel f .

5.I t sw ings i t s head f r om side t o si de i n t he f i gur e ‘8 ’di st r i bu t i ng t he sal i va t ha t w i l l f orm si l k .

6.The si l k sol i di f i es w hen i t c on t ac t s t he air .7. The si l k spi ns approx imat el y one mil e of f i l ament andc omple t el y enc loses i t sel f i n a c oc oon in about t w o ort hr ee days.

8. The si l k i s ob t ai ned by brushing t he undamaged c oc oon t of i nd t he ou t si de end of f i l ament s.

9. The si l k f i l ament s ar e t hen w ound on a reel . One c oc oonc on t ai ns approx imat el y 1000 yards of si l k f i l ament . Thesi l k a t t hi s st age i s k now n as raw si l k .

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COLLECT THE EGGOF SILKWORM MOTH

Collect 500 to 1000eggs from thesilkworm

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DEPOSITTHECOLLECTEDEGGINTHEMULBERRYPLANT

TThhee eeggggss tthhaatt ddeeppoossiitteedd iinntthhee mmuullbbeerrrryy ppllaanntt wwiillll ggrroowwssiinn 1100 ddaayyss..TThhaatt iiss ccaalllleedd AANNTTSS

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LARVAE FORMATION

AAnnttss ggrrooww ffaasstt bbyy eeaattiinngg tthheemmuullbbeerrrryy lleeaavveess aanndd tthheeyy hhaaddaatt ttaaiinn tthhee aabbiillii ttyy ttoo ccoommee iinn ttootthhee nneexxtt ssttaaggee..TThhaatt iiss ccaalllleedd LLAARRVVAAEE

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COCCOONFORMATION

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COLLECTIONOFCOCOONS• AAff tteerr tthhee wwoorrmmss aarree ccoommpplleetteellyy tt rraannssffoorrmmeeddiinn ttoo ccooccoooonnss,, tthhee ccooccoooonnssaarree ppuutt iinn ttoo hhoott ,,aallmmoosstt bbooii lliinnggwwaatteerr..• TThhee ff iillaammeenntt ffrroomm sseevveerraall ccooccoooonnssaarree tthheennrreeeelleedd ttooggeetthheerr oonn aawwooooddeenn ssppiinnddllee iinn ttoo aauunniiffoorrmm sstt rraanndd ooff rraaww ssiillkk..• EEaacchh TThhaaii ssii llkk ccooccoooonn ccaann ggiivvee aabboouutt 770000yyaarrddss lloonngg ooff ffii llaammeenntt ..

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PRODUCTIONOFSILK

• TThhee ssiillkk yyaarrnnss aarree sseeppeerraatteeddwwii tthh tthhee hheellpp ooff rreeeelliinnggmmaacchhiinnee..• TThhiiss ssiillkk yyaarrnnss aarree ccoonnvveerrtteeddiinn ttoo ssiillkk ccllootthheess bbyy uussiinngghhaanndd wweeaavviinngg aanndd mmaacchhiinnee..

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Next time youwill brought a silksari, definitely youwill think;“thissilkworm and itsbiography”

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THANKYOU