DB44/T 2219-2019 Active Guangdong ProvinceLocal standards

DB44/T 2219-2019 Release of trichogramma eggs to control rice stem borers and twice-instar larvae (Methods) Manual

Publish Date: 2019-12-26 Implement Date: 2020-03-26 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: DB44/T 2219-2019

Standard Type: Local standards

Standard Status: Active

is_force_gb: no

CCS Name: Cereal crops and products

ICS Name: Plant cultivation

Publish Date: 2019-12-26

Implement Date: 2020-03-26

Pages: 11 pages

Scope

This standard specifies the supporting technologies for releasing Trichogramma wasps in rice fields to control the rice leaf roller and the two-line caterpillar, as well as the release steps and the basic methods and requirements for effect investigation. This standard is applicable to the field operations of releasing Trichogramma japonicum Ashmead and T. chilonis Ishii to control the rice leaf roller Cnaphalocrocis medinalis Guenée and the two-line caterpillar Chilo suppressalis (Walker).