Effect of Mulberry varieties on the development and cocoon shell of Japanese variety of Bombyx mori L.
Effect of Mulberry varieties on the development and cocoon shell of Japanese variety of Bombyx mori L.
Inayat Ahmad Hafiz
ABSTRACT
The leaves of four mulberry varieties PFI-1, PFI-2
Karyansuban (Korean) and a Japanese hybrid were
biochemically analyzed and fed to a Japanese silkworm
variety to study their effect on its development at
different stages especially on economic cocoon
characters. The results show that mortality of larvae
and pupae was low and the effect of PFI-1 and PFI-2 was
significant on economic cocoon characters of the
variety. The chemical analysis of these varieties showed
that protein contents of PFI-1 and PFI-2 were higher
then in Japanese hybrid and Karyansuban varieties and
hence gave better cocoon shell ratio. The cocoon quality
did not show much difference and the percentage of good quality cocoons was 89.5.
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December 1992
Vol. 42, Iss. 4
