This standard specifies the technical requirements for the inspection of silkworm first-generation hybrids. This standard is applicable to the inspection of first-generation silkworm hybrids produced in Hubei Province.
DB42/T 140-2017 history
2017DB42/T 140-2017 Regulations for inspection of first-generation hybrids of silkworm
2002DB42/T 140-2002 Regulations for the inspection of first-generation hybrids of silkworm