Evaluation and Identification of Promising Bivoltine Hybrids of Silkworm, Bombyx mori L., for Monsoon and Spring Season of Uttar Pradesh

  • Jaiswal, Kamal (Babasaheb Bhimrao Ambedkar University (A Central University), Vidya Vihar Raebareli Road) ;
  • Goel, Rachna (Babasaheb Bhimrao Ambedkar University (A Central University), Vidya Vihar Raebareli Road)
  • Published : 2003.06.01

Abstract

An attempt was made to identify superior bivoltine silkworm hybrid suitable for monsoon and spring season of Uttar Pradesh. Breeds with superior cocoon characters and their more popularity in an area were major parameters on basis of which breeds from different regions were selected. Six bivoltine hybrids of silkworm (Bombyx mori L.) of different geographical regions were reared in monsoon (three hybrids) and spring season (three hybrids) during 2000-2002 i.e., for three years at Babasaheb Bhimrao Ambedkar University, Lucknow. Their performances were analyzed statistically for nine characters. The analysis made on a number of traits viz., hatching percentage, larval duration, pupation rate, yield /10000 larvae (by no.), yield /10000 larvae (by weight), cocoon weight, cocoon shell weight, cocoon shell ratio, showed the superiority of one bivoltine hybrid out of the three bivoltine hybrids studied in each season. $SH6{\times}{NB_4}{D_2}$ was found to be superior in major cocoon parameters in both the seasons i.e., monsoon and spring season of Uttar Pradesh.

Keywords

References

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