Bivoltine cocoon color sex-limited breeds of Bombyx mori (Lepidoptera: Bombycidae) show enhanced economic performance and fecundity following spermidine supplementation

Sericulture has immense economic significance. Separating male and female silkworm pupae for egg production in grainage is a laborious task; hence, sex-limited breeds for cocoon color are advantageous for this process. The major constraint in sex-limited breeds is their low fecundity. Sex-limited fe...

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Published in:Journal of economic entomology 2023-10, Vol.116 (5), p.1679-1688
Main Authors: Kasa, Madhavi, Jolapuram, Seetharamulu, Lima, Anugata, Lakshmi Didugu, Brinda Goda, Poosapati, Jagannatha Raju, Mamillapalli, Anitha
Format: Article
Language:English
Subjects:
Bombyx mori
Economic aspects
fecundity nutritional index
HORTICULTURAL ENTOMOLOGY
Polyamines
sex-limited breed
silkworm
spermidine
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cited_by cdi_FETCH-LOGICAL-b393t-7712937e55bc2e894215d15ff395e10463241ec4b6674b384f1d87de42553d93
cites cdi_FETCH-LOGICAL-b393t-7712937e55bc2e894215d15ff395e10463241ec4b6674b384f1d87de42553d93
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container_issue 5
container_start_page 1679
container_title Journal of economic entomology
container_volume 116
creator Kasa, Madhavi
Jolapuram, Seetharamulu
Lima, Anugata
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Poosapati, Jagannatha Raju
Mamillapalli, Anitha
description Sericulture has immense economic significance. Separating male and female silkworm pupae for egg production in grainage is a laborious task; hence, sex-limited breeds for cocoon color are advantageous for this process. The major constraint in sex-limited breeds is their low fecundity. Sex-limited female moths lay a lower number of eggs than nonsex-limited breeds. Polyamine, spermidine was shown to improve fecundity in several organisms, including the silkworm, Bombyx mori L. In the present study, cocoon color sex-limited breeds, HTO2SL, APS27SL, and SLFC27, were selected and fed with spermidine to improve fecundity and nutritional efficiency. The fifth-instar silkworm larvae of the selected breeds were subjected to standard rearing conditions with and without spermidine supplementation up to spinning. The spermidine-supplemented sex-limited breeds exhibited a significant increase in fecundity, nutritional indices, and economic parameters compared with the control sex-limited breeds. Among the 3 sex-limited breeds tested, the performance of APS27SL improved significantly. Graphical Abstract
doi_str_mv 10.1093/jee/toad126
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Separating male and female silkworm pupae for egg production in grainage is a laborious task; hence, sex-limited breeds for cocoon color are advantageous for this process. The major constraint in sex-limited breeds is their low fecundity. Sex-limited female moths lay a lower number of eggs than nonsex-limited breeds. Polyamine, spermidine was shown to improve fecundity in several organisms, including the silkworm, Bombyx mori L. In the present study, cocoon color sex-limited breeds, HTO2SL, APS27SL, and SLFC27, were selected and fed with spermidine to improve fecundity and nutritional efficiency. The fifth-instar silkworm larvae of the selected breeds were subjected to standard rearing conditions with and without spermidine supplementation up to spinning. The spermidine-supplemented sex-limited breeds exhibited a significant increase in fecundity, nutritional indices, and economic parameters compared with the control sex-limited breeds. 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ispartof Journal of economic entomology, 2023-10, Vol.116 (5), p.1679-1688
issn 0022-0493
1938-291X
language eng
recordid cdi_proquest_miscellaneous_2840249115
source Oxford Journals Online
subjects Bombyx mori
Economic aspects
fecundity nutritional index
HORTICULTURAL ENTOMOLOGY
Polyamines
sex-limited breed
silkworm
spermidine
title Bivoltine cocoon color sex-limited breeds of Bombyx mori (Lepidoptera: Bombycidae) show enhanced economic performance and fecundity following spermidine supplementation
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