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Performance of C2 breed of eri silkworm, Samia ricini (Donovan) in different food plants

M. C. Sarmah, B. N. Sarkar, S. A. Ahmed, K. Giridhar
Abstract

Eri-silkworm Samia ricini (Donovan) is multivoltine and polyphagous in nature feeding on a number of host plants. Performance of a high yielding eri silkworm breed C2 developed by Central silk Board, CMER&TI, Lahdoigarh was studied in different food plants viz., Castor, Ricinus communis, Kesseru, Heteropanax fragrans (Roxb.) Seem; Borpat, Ailanthus grandis Prain; Borkesseru, Ailanthus excelsa Roxb. Castor is the primary food plant of eri silkworm. Kesseru ranks second among all the food plant of eri silkworm and utilized as ruling perennial food plant. Other perennial two food plants viz., Borpat, Ailanthus grandis Prain; Borkesseru, Ailanthus excelsa Roxb are rarely used but potential eri food plants. During the study all food plants showed positive economic character in rearing performance.

Keywords: Eri silkworm, food plant, Rearing performance, C2 breed.

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References

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Phukan, JCD., Sarmah, M.C., Kakati P.K and Chakravorty R. Kesseru, Heteropanax Fragrans (Roxb.) Seem - An Important Perennial Food Plant of Eri Silkworm., Lead papers and abstracts, National Workshop on “Eri food plants” held on 11-12th October, 2006 by CMER&TI, Lahdoigarh. 2006, 50-61.

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Entomology and Applied Science Letters is an international double-blind peer reviewed publication which publishes scientific research & review articles related to insects that contain information of interest to a wider audience, e.g. papers bearing on the theoretical, genetic, agricultural, medical and biodiversity issues. Emphasis is also placed on the selection of comprehensive, revisionary or integrated systematics studies of broader biological or zoogeographical relevance. In addition to full-length research articles and reviews, the journal publishes interpretive articles in a Forum section, Short Communications, and Letters to the Editor. The journal publishes reports on all phases of medical entomology and medical acarology, including the systematics and biology of insects, acarines, and other arthropods of public health and veterinary significance.

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Entomology and Applied Science Letters supports the submission of entomological papers that contain information of interest to a wider reader groups e. g. papers bearing on taxonomy, phylogeny, biodiversity, ecology, systematic, agriculture, morphology. The selection of comprehensive, revisionary or integrated systematics studies of broader biological or zoogeographical relevance is also important. Distinguished entomologists drawn from different parts of the world serve as honorary members of the Editorial Board. The journal encompasses all the varied aspects of entomological research.