关键词: 苦瓜, 育种, 新品种权, 新品种保护

Abstract: This paper analyzed 60 bitter gourd varieties reported by document since 2013，when bitter gourd was listed into the Directory of agricultural plant variety protection of the People’s Republic of China；and discovered its melon shape was mainly of pearl-type．The main breeding objectives included resistance，yield and mature period．And the breeding method was mainly heterosis．Up to August 2022，there were 130 bitter gourd new variety right patent applications，only 5 among the document reported 60 varieties applied for new variety rights．Authorized quantity of new variety right were 30．Late submission of propagating materials or submission of unqualified propagating materials were the main proplems affecting authorized review speed．By commissioning the DUS test ahead of time could greatly reduce the authorization time．

Key words: bitter gourd（Momordica charantia L.）, breeding, new variety rights, new plant variety protection