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Grain Yield, Dry Weight and Phosphorus Accumulation and Translocation in Two Rice (Oryza sativa L.) Varieties as Affected by Salt-Alkali and Phosphorus
Z. J. Tian, J. P. Li, X. H. He, X. Y. Jia, F. Yang and Z. C. Wang; 杨福,王志春
2017
Source PublicationSustainability
Volume9Issue:8
AbstractSalt-alkali is the main threat to global crop production. The functioning of phosphorus (P) in alleviating damage to crops from saline-alkaline stress may be dependent on the variety of crop but there is little published research on the topic. This pot experiment was conducted to study if P has any effect on rice (Oryza sativa L.) yield, dry matter and P accumulation and translocation in salt-alkaline soils. Plant dry weight and P content at heading and harvest stages of two contrasting saline-alkaline tolerant (Dongdao-4) and sensitive (Tongyu-315) rice varieties were examined under two saline-alkaline (light versus severe) soils and five P supplements (P0, P50, P100, P150 and P200 kg ha(-1)). The results were: in light saline-alkaline soil, the optimal P levels were found for P150 for Dongdao-4 and for P100 for Tongyu-315 with the greatest grain dry weight and P content. Two rice varieties obtained relatively higher dry weight and P accumulation and translocation in P0. In severe saline-alkaline soil, however, dry weight and P accumulation and translocation, 1000-grain weight, seed-setting rate and grain yield significantly decreased, but effectively increased with P application for Dongdao-4. Tongyu-315 showed lower sensitivity to P nutrition. Thus, a more tolerant variety could have a stronger capacity to absorb and translocate P for grain filling, especially in severe salt-alkaline soils. This should be helpful for consideration in rice breeding and deciding a reasonable P application in saline-alkaline soil.
DOI10.3390/Su9081461
WOS IDWOS:000408861800175
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iga.ac.cn/handle/131322/7628
Collection湿地与全球变化学科组
Corresponding Author杨福,王志春
Recommended Citation
GB/T 7714
Z. J. Tian, J. P. Li, X. H. He, X. Y. Jia, F. Yang and Z. C. Wang,杨福,王志春. Grain Yield, Dry Weight and Phosphorus Accumulation and Translocation in Two Rice (Oryza sativa L.) Varieties as Affected by Salt-Alkali and Phosphorus[J]. Sustainability,2017,9(8).
APA Z. J. Tian, J. P. Li, X. H. He, X. Y. Jia, F. Yang and Z. C. Wang,&杨福,王志春.(2017).Grain Yield, Dry Weight and Phosphorus Accumulation and Translocation in Two Rice (Oryza sativa L.) Varieties as Affected by Salt-Alkali and Phosphorus.Sustainability,9(8).
MLA Z. J. Tian, J. P. Li, X. H. He, X. Y. Jia, F. Yang and Z. C. Wang,et al."Grain Yield, Dry Weight and Phosphorus Accumulation and Translocation in Two Rice (Oryza sativa L.) Varieties as Affected by Salt-Alkali and Phosphorus".Sustainability 9.8(2017).
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