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Rearing performance of tropical Tasar silkworm (Antheraea mylitta Drury) on Cashew (Anacardium occidentale L.) and its commercial silk properties

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Title Rearing performance of tropical Tasar silkworm (Antheraea mylitta Drury) on Cashew (Anacardium occidentale L.) and its commercial silk properties
Research paper
 
Creator K. Vanitha, U. C. Javali and P. S. Bhat
 
Subject Antheraea mylitta, Cashew, Cocoon, Eggs, Larvae, Spinning, Terminalia spp
 
Description Not Available
Tasar silkworm, Antheraea mylitta Drury (Lepidoptera: Saturniidae) is one of the commercially exploited
non-mulberry silkworms mainly reared outdoor on many wild plants. The ecorace of tasar silkworm occurring in
cashew (Anacardium occidentale L.) plantations of Puttur was identified as A. mylitta KE-02. Pooled egg, larval and pupal period of tasar silkworm upon indoor rearing on cashew recorded were 6.43, 28.69 and 25.36 days, respectively,
with the effective rate of rearing of 40 %. The average cocoon weight, pupal weight and shell weight recorded
were 6.24 g, 5.30 and 1.18 g, respectively. The high shell ratio of 22.26 %, shows a healthy trend for high yielding tasar rearing on cashew. The commercial silk properties of cashew reared cocoons were assessed in comparison to silk properties of cocoons reared on Terminalia paniculata. Average filament length, average non-breakable filament length, denier, strength and elongation were found 547.2 m, 1231.6 m, 8.92 D, 1.57 gpd and 16.9 %, respectively on cashew and 518.2 m, 161.94 m, 9.13 D, 1.73 gpd and 18.7 % , respectively on T. paniculata. The present study has documented the biology of tasar silk worm on cashew and also the commercial silk properties of cocoon reared on cashew at preliminary level.
Not Available
 
Date 2019-12-03T05:23:23Z
2019-12-03T05:23:23Z
2017-01-01
 
Type Article
 
Identifier Not Available
ISSN : 0974-9411 (Print), 2231-5209 (Online)
http://krishi.icar.gov.in/jspui/handle/123456789/26466
 
Language English
 
Relation Not Available;
 
Publisher Applied and natural Science Foundation