Formulation of guidelines for distinctness,uniformity and stability testing of Ophiopogon japonicus

doi:10.14088/j.cnki.issn0439-8114.2025.07.019

Abstract

Abstract: In order to promote the protection of new varieties of Ophiopogon japonicus, utilization and development of its germplasm resources originated in China, as well as the development of local characteristic medicinal Ophiopogon japonicus industry, the research on the formulation of the distinctness, uniformity and stability (DUS) test guide of Ophiopogon japonicus varieties was carried out. By planting and observing 93 accessions of Ophiopogon japonicus germplasm resources, the cultivation, propagation methods and phenotypic data collection methods of Ophiopogon japonicus were studied, 27 traits were selected for phenotypic description of Ophiopogon japonicus varieties, the requirements for breeding materials for Ophiopogon japonicus variety DUS test were clarified, the general principles for DUS determination of Ophiopogon japonicus were established, and the Ophiopogon japonicus DUS test guide was formulated.

Key words: Ophiopogon japonicus(L.f.)Ker-Gawl., new variety protection, distinctness,uniformity and stability(DUS), test guidelines

CLC Number:

S567.23
S339

ZHAO Cui-rong, LU Yang, ZHAO Dan, DAI Wei, DENG Chao, WANG Zhi-an, ZHAO Ming. Formulation of guidelines for distinctness,uniformity and stability testing of Ophiopogon japonicus[J]. HUBEI AGRICULTURAL SCIENCES, 2025, 64(7): 105-113.

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