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| Analysis on New Variety Breeding of Bitter Gourd and Its Protection Status Quo in China |
| SU Guozhao1，2，3，WANG Jing1，3，YIN Jiwei1，3，PANG Xuebing2，CHEN Yuhua4，DENG Chao2*，XU Zhenjiang1，3* |
| （1College of Agriculture，South China Agricultural University，Guangzhou 510642，Guangdong，China；2Development Center of Science and Technology，MARA，Beijing 100122，China；3Guangzhou Sub-center for New Plant Variety Tests，MARA，Guangzhou 510642，Guangdong，China；4Fuzhou Sub-center for New Plant Variety Tests，MARA，Fuzhou 350013，Fujian，China） |
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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．
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Received: 25 October 2022
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