Silk enhancer from Cassia tora for Bombyx mori L.

abdomen application locale bombyx mori cassia tora drug plants extractos vegetales gusano de seda hormonas de la muda hormone de mue larvae larvas larve longevidad longevity morphogenese morphogenesis moulting hormones plant extracts plantas medicinales plante medicinale rendement rendimiento seda silk silkworms soie topical application yields