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New silkworm varieties successfully bred in Hubei

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The new silkworm varieties "Ecan 3" and "Ecan 4", bred by the Cash Crop Research Institute of the Hubei Academy of Agricultural Sciences (postcode: 430070, tel: 027-87389436), recently won first prize in the Hubei Provincial Science and Technology Progress Awards. The robust autumn-use variety Ecan 3, compared with Hubei's current leading autumn-use variety Huanghe x Zhaoxia: strong resistance, with a unified larval-pupal survival rate of over 92%; high yield, with cocoon production of 33.95 kg per sheet, an increase of 9.94%; excellent silk quality, with a cocoon shell rate of 24.83%, a single cocoon silk length of 1150 m

The new silkworm varieties "Ecan 3" and "Ecan 4", bred by the Cash Crop Research Institute of the Hubei Academy of Agricultural Sciences (postcode: 430070, tel: 027-87389436), recently won first prize in the Hubei Provincial Science and Technology Progress Awards.

The robust autumn-use variety Ecan 3, compared with Hubei's current leading autumn-use variety Huanghe x Zhaoxia: strong resistance, with a unified larval-pupal survival rate of over 92%; high yield, with cocoon production of 33.95 kg per sheet, an increase of 9.94%; excellent silk quality, with a cocoon shell rate of 24.83%, a single cocoon silk length of 1150 m, a reelable silk length of 941 m and a silk yield of 17.88%, increases of 8-16% respectively.

The dual-purpose spring-autumn, high-silk-yield variety Ecan 4, when reared in autumn, compared with Hubei's current leading autumn-use variety Huanghe x Zhaoxia: strong resistance, with a unified larval-pupal survival rate of over 93%; high yield, with cocoon production of 34.2 kg per sheet, an increase of 10.75%; excellent silk quality, with a cocoon shell rate of 23.92%, a single cocoon silk length of 1198 m, a reelable silk length of 880 m and a silk yield of 18.80%, increases of 10-14% respectively.

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