Enhanced expression of OsSPL14 gene and its association with yield components in rice (Oryza sativa) under low nitrogen conditions
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- 作者：B. Srikanth ; I. Subhakara Rao ; K. Surekha ; D. Subrahmanyam ; S.R. Voleti ; C.N. Neeraja ; cnneeraja@gmail.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：N ; nitrogen ; OsSPL14 ; Squamosa promoter binding protein like-14 ; NUE ; nitrogen use efficiency ; AE ; Agronomic Efficiency ; APE ; Agro-Physiological Efficiency ; UE ; Utilization Efficiency ; ARE ; Apparent Recovery Efficiency ; ANOVA ; analysis of variance ; LSD ; least significant difference
- 刊名：Gene
- 出版年：2016
- 出版时间：15 January 2016
- 年：2016
- 卷：576
- 期：1
- 页码：441-450
- 全文大小：571 K
文摘
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Nitrogen use efficiency (NUE) in rice crop is needed for environmentally and economically sustainable agriculture.
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Ten rice genotypes were grown under low and recommended dose of N and characterized for yield related components and NUE indicators.
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Two genotypes, Rasi and Varadhan have shown minimum differences between low and recommended N conditions.
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Correlation analysis of various yield components showed the importance of the secondary branches for the total grains under low N.
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qRT analysis of OsSPL14 (LOC_Os08g39890) gene has shown differential temporal and spatial expression and its association with yield.
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OsSPL14, a functional transcription activator is being suggested to play a role for nitrogen metabolism and yield genes in rice.