Diapause potential in muga silkworm, Antheraea assama

Thangavelu, K.; Bhagowati, A. K.; Chakroborty, Abhijit

doi:10.1017/s1742758400006974

Cited by 3 publications

(3 citation statements)

References 1 publication

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“…Som (PerseabombycinaKost. ), and Soalu (LitseapolyanthaJuss) are the primary host plants of muga silkworm (AntheraeaAssamensis), (Thangavelu et al, 1988). These plants are infected by various diseases and insects which affects the rate of cocoon yield by affecting the quality and quantity of leaves of the plants (Daset al, 2003).…”

Section: Impact Of Climate Change On Host Plantmentioning

confidence: 99%

Effect of climate change on Eri and Muga cultivation and the resultant impact on rural income and employment in Assam

Das¹,

Saikia²,

Neog³

2023

JLivestSci

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India has been the land of the 'Queen of Textiles', that is, silk, from a very old time. At present, India occupies the second position in the production of silk in the world, only next to China while occupying the first position in the consumption of the same. Mulberry silk accounts for 69.16% of the total silk production in India and eri comprises of 20.87%. However, in the state of Assam, non-Mulberry silk (eri and muga) occupies the lion's share (around 99%) in the total silk production, thereby making the sericulture sector of Assam different from the rest of India. The IPCC (2007) has projected that the global temperature would most likely rise by 4.3 to 11.5 degrees Fahrenheit in the next century and silk being an agro-industrial product will be deeply affected. With muga being more susceptible to climate change, the muga cultivators would be more severely affected than the eri cultivators. In light of the above situation, this paper would attempt to analyse two issues. Firstly, it would try to see the differentiated impact of climate change on eri and muga cultivation of Assam and secondly, it would try to understand the resultant impact on rural income and employment.

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Section: Impact Of Climate Change On Host Plantmentioning

confidence: 99%

Effect of climate change on Eri and Muga cultivation and the resultant impact on rural income and employment in Assam

Das¹,

Saikia²,

Neog³

2023

JLivestSci

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show abstract

“…Hence, the paired moths after allowing to pair at least for 4-6 hours need to be depaired for facilitating egg laying. In this process, paired moths kept in dark room are exposed to light and smoke generated through firing of thatch grass or leaf and twigs of plant at least for a period of 5-10 minutes normally in the afternoon, which helps to decouple of moths naturally (Borthakur 2003 andThangavelu et al 1988). The farmers believe that the practice is highly effective for enhancement of fecundity as well as self de-pairing of moths.…”

Section: De-pairing Of Moths Using Smokementioning

confidence: 99%

Golden Threads of Tradition: The Endurance And Evolution of Muga Culture And Silk Weaving in Assam

Narzary,

Manimegalai,

Shanmugam

et al. 2023

SFS

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Muga culture is an age old traditional practice sustaining amidst the rural folk of Assam since time immemorial. It involves lot of traditional practices and beliefs over the time and many of the time these traditional practices have proved to be successful and sustainable. Muga silk is a product of the silkworm, Antheraea assamensis Helfer is endemic to Assam province. Assam is known for creating intricate designs in handlooms and holds first position in the country with 11,11,577 number of handlooms and has 16,43,453 handloom weavers. Sualkuchi is the textile centre of Assam. At present, this golden yellow thread has evolved from a tradition to a trend. The muga silk holds monopoly in the world and has been a sector of research and development recently due to its immense potentiality to provide opportunities for national and international revenue.

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“…Frequent crop failures during its outdoor rearing and shortage of timely supply of good quality seed has been a perennial problem in muga silk industry (Kakati, 2002;Bindroo et al, 2008;Saikia, 2011;Rabha, 2022). Though, general biology and some aspects of reproductive biology of this species have been studied (Jolly, 1979;Prasad and Sinha, 1980-81;Choudhury, 1981;Thangavelu et al, 1988;Sahu et al, 1997;1998;Dutta et al, 2013), its reproductive biology remains poorly understood. Apart from the preliminary study by Sahu et al (1999Sahu et al ( -2000 on development of reproductive apparatus in A. assamensis during larval, pupal and adult stage, no detailed study on structure of reproductive system is available.…”

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confidence: 99%

Reproductive Biology of Muga Silk Moth <i>Antheraea assamensis</i> Helfer

Biswas,

Hazarika,

Sahu

et al. 2023

IJE

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Results of morphological and morphometric study of male and female reproductive systems of Antheraea assamensis Helfer (Saturniidae: Lepidoptera), a silk moth cultivated exclusively in the North Eastern Region of India are reported herein along with some observations on its reproductive performance in four seasons. The male reproductive system consists of a pair of testes, paired vasa deferentia, seminal vesicle, ductus ejaculatorius duplex, ductus ejaculatorius simplex, an aedeagus and a pair of male accessory glands. The female reproductive system consists of a pair of ovaries, each with four ovarioles, paired lateral oviducts, a common oviduct which has a dorsal protrusion, the vestibulum, a bursa copulatrix, a spermatheca and a pair of female accessory glands with their reservoirs. Fecundity has been found to be positively correlated with female pupal weight in each season. Hatching % of eggs has been found lowest and significantly different (p<0.001) in summer as compared to autumn, winter and spring seasons. Morphology of eupyrene and apyrene sperm bundles and sperm has also been reported.

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Diapause potential in muga silkworm, Antheraea assama

Cited by 3 publications

References 1 publication

Effect of climate change on Eri and Muga cultivation and the resultant impact on rural income and employment in Assam

Effect of climate change on Eri and Muga cultivation and the resultant impact on rural income and employment in Assam

Golden Threads of Tradition: The Endurance And Evolution of Muga Culture And Silk Weaving in Assam

Reproductive Biology of Muga Silk Moth <i>Antheraea assamensis</i> Helfer

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