Studies on the effect of two mulberry varieties on the larval growth and cocoon characters of silkworm, Bombyx mori L.
Studies on the effect of two mulberry varieties on the larval growth and cocoon characters of silkworm, Bombyx mori L.
Wali-ur-Rahman, Muhammad Khan and Muhammad Nawaz Rajpar
ABSTRACT
Studies were conducted on the effect of PFI-1 and Kanmasi mulberry varieties of Morus alba L. on the larval growth, cocoon characters and larval and pupal mortality of 6 silkworm strains of Bombyx mori L. Silkworm strains fed on the PFI-1 mulberry variety showed an increment of 9.91% and 0.936% in larval and cocoon shell weight and 3.681 and 3.0 in percent shell ratio and good cocoons and a decrease of 9.4 and 7.6 in percent larval and pupal mortality than those fed on Kanmasi mulberry variety.
The PFI-1mulberry variety, being better in all performances, is recommended for rearing silkworm for better cocoon quality.
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March 2006
Vol. 56, Iss. 1
