Abstract
The Samarinda silk sarong is a typical Samarinda sarong made using imported silk yarn raw materials from China. Quality mulberry plants are needed to support silkworm cultivation (sericulture). Quality mulberry plants obtained by in vitro propagation techniques. The purpose of this study was to determine the differences in the quality of cocoons and silk threads by feeding in vitro and cuttings. The research stages consisted of rearing silkworms, handling cocoons and spinning. The results showed that mulberry propagated by in vitro culture as feed for silkworms for all observation variables was better than mulberry propagated by cuttings. For the variables of cocoon shell weight, cocoon shell presentation, filament length and filament yield, the results were significantly different, except for the variables of fresh cocoon weight and dry cocoon weight which were not significantly different.
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