SUN Yu-you.Study on the Relationship of the Traits of Vascularbetween Indica and Japonica Rice[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(01):4-6.
籼粳稻维管束性状关系研究
- Title:
- Study on the Relationship of the Traits of Vascularbetween Indica and Japonica Rice
- 文章编号:
- 1002-2767（2012）01-0004-03
- Keywords:
- rice; vascular traits; large vascular bundles efficiency
- 分类号:
- S511
- 文献标志码:
- A
- 摘要:
- 选用5份粳稻和4份籼稻材料，对不同品种水稻维管束的数量进行比较研究，同时结合程氏指数调查，探讨了籼稻和粳稻之间的维管束差异。结果表明:籼稻穗颈维管束数明显高于粳稻，其大维管束效率较高；籼稻的穗颈维管束数与穗一次枝梗数之比(V/R)也显著高于粳稻，大小维管束比也较高。籼稻程氏打分均较低，而粳稻的较高。
- Abstract:
- Five Japonica rice and four Indica rice materials were used to research the number of vascular for rice,and combined with Cheng’s index survey,the vascular differences between indica rice and japonica rice were conducted.The results showed that the number of vascular bundles in indica rice panicle was significantly higher than japonica rice,which had the higher efficiency of large vascular bundles.What’s more,indica rice panicle vascular bundle of primary branch number and ear ratio (V / R) were also significantly higher than japonica rice,which had higher rate of large and small vascular bundles.The scores of indica rice were all lower according to Cheng’s index standards,while the scores of japonica rice were higher.
参考文献/References:
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备注/Memo
作者简介：孙玉友（1973-），男，山东省单县人，硕士，副研究员，从事水稻育种研究。E-mail：mdjsds@126.com。