Heterosis and combining ability for weight of mature larvae and filament length of fifteen hybrids raised by half(6*6) daillel cross in silkworm Bombyx mori.L.

Heterosis and combining ability for weight of mature larvae and filament length of fifteen hybrids raised by half(6*6) daillel cross in silkworm Bombyx mori.L.

Registration ID: IJNRD_202457

Published ID: IJNRD2307433

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Most.shahnaz parvin , Md.kamrul Ahsan

Heterosis,combining ability,weight of mature larvae,filament length of fifteen hybrds raised by half (6*6) diallel cross in silkworm, Bombyx mori

ABSTRACT: The investigation was carried out to evaluate fifteen hybrids raised by half (6 × 6) diallel cross involving six silkworm varieties of Bombyx mori viz. B(I)J, BB(O), N(I)K(P), BN(mn)M, HTHRB-3 and 95/14 in order to estimates of heterosis and combining ability. Observations were made on two economically important traits namely; weight of mature larvae and filament length over four rearing seasons in Bangladesh. Considerable amount to heterosis was obtained in the crosses where parents BB(O), B(I)J and HTHRB-3 were involved in different seasons. The gca quantities of the parents varied from season to season. The parents exhibit a significant gca effect for majority of the characters in all the rearing seasons. The overall gca quantities confirmed that the developed varieties B(I)J, BB(O) and HTHRB-3 and were the best general combining parents. It is evident from the results that cross 4, “B(I)J×HTHRB-3” and cross 8, “BB(O)×HTHRB-3” exhibited the best performance.

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"Heterosis and combining ability for weight of mature larvae and filament length of fifteen hybrids raised by half(6*6) daillel cross in silkworm Bombyx mori.L.", IJNRD - INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT (www.IJNRD.org), ISSN:2456-4184, Vol.8, Issue 7, page no.e301-e311, July-2023, Available :https://ijnrd.org/papers/IJNRD2307433.pdf

Volume 8 Issue 7, July-2023

Pages : e301-e311

Paper Reg. ID: IJNRD_202457

Published Paper Id: IJNRD2307433

Downloads: 000121127

Research Area: Biological Science

Country: Dhaka, Dhaka, Bangladesh

Published Paper PDF: https://ijnrd.org/papers/IJNRD2307433.pdf

Published Paper URL: https://ijnrd.org/viewpaperforall?paper=IJNRD2307433

Journal Name: INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT(IJNRD)

ISSN: 2456-4184 | IMPACT FACTOR: 8.76 Calculated By Google Scholar | ESTD YEAR: 2016

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