NDLI: Identification of quantitative trait loci affecting tolerance to low phosphorus in rice (Oryza Sativa L.)

Content Provider	Springer Nature Link
Author	Ming, Feng Zheng, Xianwu Mi, Guohua He, Ping Zhu, Lihuang Zhang, Fusuo
Copyright Year	2000
Abstract	Phosphorus (P)-deficiency in rice (Oryza. Sativa. L) may cause yield reductions. This research has been conducted to map quantitative trait loci (QTLs) for tolerance to low phosphorus stress in a doubled haploid (DH) population. By using the linkage map of this population, the QTLs for relative dry weight, relative P content and relative P utilization efficiency have been located. The results indicate that one RFLP marker located on chromosome 6 is closely associated with relative root dry weight, relative shoot dry weight and relative total dry weight, which explain 24.9%, 20.5% and 25.2% of the total phenotypic variations, respectively. Two QTLs affect relative P uptake content, which account for 20.7% of the total phenotypic variations. One micro-effect QTL has been found to be associated with relative P utilization efficiency. It is suggested that the P uptake efficiency is more associated with P efficiency. Among the secondary physiological indices of P uptake efficiency, the root dry weight is more important than others.
Starting Page	520
Ending Page	525
Page Count	6
File Format	PDF
ISSN	10016538
Journal	Chinese Science Bulletin
Volume Number	45
Issue Number	6
e-ISSN	18619541
Language	English
Publisher	Science in China Press
Publisher Date	2000-01-01
Publisher Place	Beijing
Access Restriction	Subscribed
Subject Keyword	rice phosphorus deficiency molecular marker dry weight phosphorus uptake content phosphorus utilization efficiency Life Sciences Physics Chemistry/Food Science Science Geosciences Engineering
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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