胡钧铭,江立庚,曾可,莫润秀,丁成泉,张玉. 不同粒型优质稻花后干物质流转特性研究[J]. 华南农业大学学报, 2010, 31(1). DOI: 10.7671/j.issn.1001-411X.2010.01.001
    引用本文: 胡钧铭,江立庚,曾可,莫润秀,丁成泉,张玉. 不同粒型优质稻花后干物质流转特性研究[J]. 华南农业大学学报, 2010, 31(1). DOI: 10.7671/j.issn.1001-411X.2010.01.001
    HU Jun-ming,JIANG Li-geng,ZENG Ke,MO Run-xiu,DING Cheng-quan,ZHANG Yu. Research on Dry Matter Translocation Characteristics of Different Spike Type of the High Quality Indica Rice After Anthesis[J]. Journal of South China Agricultural University, 2010, 31(1). DOI: 10.7671/j.issn.1001-411X.2010.01.001
    Citation: HU Jun-ming,JIANG Li-geng,ZENG Ke,MO Run-xiu,DING Cheng-quan,ZHANG Yu. Research on Dry Matter Translocation Characteristics of Different Spike Type of the High Quality Indica Rice After Anthesis[J]. Journal of South China Agricultural University, 2010, 31(1). DOI: 10.7671/j.issn.1001-411X.2010.01.001

    不同粒型优质稻花后干物质流转特性研究

    Research on Dry Matter Translocation Characteristics of Different Spike Type of the High Quality Indica Rice After Anthesis

    • 摘要: 选取2个具有代表性的不同穗粒优质籼型水稻品种八桂香(大粒型)和桂华占(小粒型),通过早、晚稻品种比较试验,研究了优质稻花后叶、茎鞘内干物质流转动态特性及籽粒实时生长状况.结果表明:优质稻花后茎、叶干质量逐渐减少,供籽粒灌浆的绿叶流转量早稻大于晚稻,茎鞘流转量晚稻大于早稻;地上总干质量呈上升趋势,增长关键期为3~12 d;早稻干物质积累和启动时期要早于晚稻,晚稻茎鞘物质储存多,转运率高,后期光合功能丧失较快,积累干物质少;不同穗粒型优质稻籽粒干物质灌浆积累和动态存在较大差异,小粒型灌浆启动时间早于大粒型,延迟时间晚于大粒型,大粒型最大灌浆速率大于小粒型.

       

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