3. life cycle and morphology of mulberry silkworm...
TRANSCRIPT
LIFE LIFE LIFE LIFE CYCLE OF CYCLE OF CYCLE OF CYCLE OF BOMBYX MORI BOMBYX MORI BOMBYX MORI BOMBYX MORI
AND AND AND AND
MORPHOLOGY MORPHOLOGY MORPHOLOGY MORPHOLOGY MORPHOLOGY MORPHOLOGY MORPHOLOGY MORPHOLOGY
OF OF OF OF OF OF OF OF
EGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULT
Dr. Mahesha H BAssociate Professor
Department of SericultureYuvaraja’s College,
University of Mysore, Mysore, India
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LIFE CYCLE OF BOMBYX MORI
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LIFE CYCLE OF BOMBYX MORI
SEASONS OF TEMPERATE ZONESEASONS OF TEMPERATE ZONESEASONS OF TEMPERATE ZONESEASONS OF TEMPERATE ZONE
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MV: EggMV: Egg--99--1212LarvaLarva-- 2020--2424PupaPupa-- 1010--1212MothMoth-- 33--6 6
BV: EggBV: Egg--1111--1414LarvaLarva-- 2424--2828PupaPupa-- 1212--1515MothMoth-- 66--10 10
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UniUni -- 1 gen/yr1 gen/yrBi Bi –– 2 gen/yr2 gen/yrMvMv –– 66--8 gen/yr8 gen/yr
Larval StageLarval StageMoultingMoultingMature WormMature WormSpinning of the cocoonSpinning of the cocoon
Morphology Morphology of of
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of of EGG, LARVA, PUPA & ADULTEGG, LARVA, PUPA & ADULT
11--1.3 mm1.3 mm0.550.55--0.6mg0.6mgOvaoidOvaoid//
0.90.9--1.2 mm1.2 mm
One Laying
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OvaoidOvaoid//SphericalSphericalFlat at ventral sideFlat at ventral sideMicropyleMicropyleRespiratory channelsRespiratory channels
3mm3mm
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10cm10cm
AbdomenAbdomenElevenEleven
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Thorax Thorax Three Three
Head Head Six Six
HeadHeadHypognathous Hypognathous
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Coloured scanning electron micrograph (SEM)of the head of a silkworm moth caterpillar(Bombyx mori).
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ThoraxThorax
Silkworm pro leg
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Abdomen
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Sexual Marking at larval stageSexual Marking at larval stage
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PUPA
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Sexual Marking at Sexual Marking at PupalPupal stagestage
MothMoth
Female and Male mothsFemale and Male mothsPaired Female Paired Female and Male mothsand Male moths
Female and Male mothsFemale and Male moths
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Female Female mothmoth Egg laying Female mothsEgg laying Female moths
Sexing at Moth stageSexing at Moth stage
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Acknowledgements
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PICTURES and PHOTOGRAPHS
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