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['https://openalex.org/W2015531985', 'https://openalex.org/W2016369022', 'https://openalex.org/W2039233126', 'https://openalex.org/W2047131284', 'https://openalex.org/W2057220056', 'https://openalex.org/W2065180916', 'https://openalex.org/W2100167312', 'https://openalex.org/W2112630116', 'https://openalex.org/W2160440921', 'https://openalex.org/W299368075'], 'related_works': ['https://openalex.org/W4230607182', 'https://openalex.org/W4205478458', 'https://openalex.org/W3207772926', 'https://openalex.org/W2589347288', 'https://openalex.org/W2558001749', 'https://openalex.org/W2375790806', 'https://openalex.org/W2375750781', 'https://openalex.org/W2369604625', 'https://openalex.org/W2084080096', 'https://openalex.org/W1275340469'], 'abstract_inverted_index': {'摘要:': [0], '对250份国外甜瓜(Cucumis': [1], 'melo)种质资源的19个形态性状多样性进行研究。结果表明,': [2], '国外甜瓜种质资源具有丰富的形态多样性,': [3], '平均遗传多样性指数为1.378。9个质量性状(果实形状、果皮底色、覆纹颜色、覆纹形状、网纹密度、网纹粗度、果肉颜色、果肉质地和种子颜色)和4个数量性状(单果鲜重、果肉厚度、可溶性固形物含量和种子千粒重)变异明显,': [4], '其Shannon’s指数分别大于1.0和1.9。不同生态区间种质资源遗传多样性差异明显,': [5], '多样性指数由高到低依次为:': [6], '南亚(1.512)、东北欧(1.404)、西欧(1.372)、北美(1.340)和东亚(1.281)。通过聚类分析将所有甜瓜种质划分为四大组群,': [7], '即南亚组群、东北欧组群、西欧北美组群和东亚北美组群。以印度为代表的南亚甜瓜种质形态多样性水平较高,': [8], '支持了印度次生大陆为甜瓜起源中心的观点。': [9]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2320145858', 'counts_by_year': [{'year': 2022, 'cited_by_count': 1}], 'updated_date': '2024-08-22T02:26:25.326554', 'created_date': '2016-06-24'}