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'https://openalex.org/W2151865869', 'https://openalex.org/W2130076355', 'https://openalex.org/W2119695867', 'https://openalex.org/W2117258802', 'https://openalex.org/W2082860237', 'https://openalex.org/W2034625591', 'https://openalex.org/W2013243191', 'https://openalex.org/W1993764875', 'https://openalex.org/W1990804418'], 'abstract_inverted_index': {'落粒性是水稻非常重要的农艺性状,': [0], '适度落粒有利于减少产量损失和水稻机械化收割,': [1], '提高生产效率.': [2], '因此鉴定落粒基因对水稻生产具有重要意义.': [3], '本研究以日本晴为受体亲本、优良恢复系R225为供体亲本,': [4], '采用高代回交和SSR标记辅助选择相结合的方法,': [5], '鉴定了一个携带易落粒主效单基因的水稻染色体片段代换系Z481.': [6], 'Z481含有4个染色体代换片段,': [7], '位于第1,': [8], '3,': [9], '6染色体上,': [10], '其代换片段长度分别为8.30,': [11], '6.17,': [12], '3.12和10.79': [13], 'Mb,': [14], '平均为7.10': [15], 'Mb.': [16], '与受体日本晴相比,': [17], 'Z481的株高、穗长、倒一节间长、倒二叶宽显著降低,': [18], '剑叶宽和结实率显著增加,': [19], '其他重要农艺性状如叶长、有效穗数、每穗粒数和千粒重均无显著差异.': [20], '扫描电子显微镜观察表明Z481的护颖和枝梗之间的离层在成熟时期已被完全降解,': [21], '而日本晴的离层完整,': [22], '在细胞学上解释了Z481易落粒性产生的原因.': [23], '进一步利用日本晴与Z481杂交产生的F': [24], '1': [25], '和F': [26], '2': [27], '群体对易落粒基因进行了遗传分析和分子定位.': [28], '该易落粒性状受单基因隐性调控,': [29], '最终将该基因定位于第6染色体RM253和ZTQ53之间824': [30], 'kb的区域,': [31], '暂命名为': [32], 'SH6': [33, 44], '(': [34, 45], 't': [35, 46], ').': [36], '目前,': [37], '在第6染色体尚无落粒基因克隆的报道.': [38], '由于染色体片段代换系除代换片段外与受体亲本的遗传背景一致,': [39], '且Z481易落粒遗传行为简单,': [40], '基本未携带育种不利性状.': [41], '因此,': [42], '本研究无论对': [43], ')的克隆,': [47], '还是进行基因聚合育种培育适度落粒新品种均具有重大利用价值.': [48]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2277811067', 'counts_by_year': [{'year': 2023, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 1}], 'updated_date': '2024-09-18T02:27:12.434030', 'created_date': '2016-06-24'}