P-inefficient Nipponbare ( japonica cultivar) (Wissuwa et al. 1998). The Pup1gene,
important for phosphorus uptake, was also identified and characterized by DNA
based molecular techniques (Chin et al. 2011).
Table 20.1 QTLs identified to control nitrogen and phosphorus use-efficiency
Sl.
No Traits
Population Cross
References
1
Plant height
DHs
IR64/Azucena
Fang and Wu
(2001)
2
Grain number, low tiller number, and
strong culm
Ipa
OsSPL14
Jiao et al.
(2010)
3
N uptake (NUP), grain yield, biomass
yield, N use efficiency (NUE)
CSSLs
9311/Nipponbare
Zhou et al.
(2017)
4
Twelve physiological and agronomic
traits
RILs
IR64/Azucena
Nguyen et al.
(2016)
5
Glutamine synthetase, panicle number
per plant, panicle weight
NILs
Koshihikari/
Kasalath
Obara et al.
(2001)
6
Root dry weight, shoot dry weight,
biomass
RILs
Zhenshan97/
Minghui 63
Tong et al.
(2006)
7
Grain protein content
RIL
Morex  Barke
Pasam et al.
(2012), Han
et al. (2016)
8
Total grain number, total leaf nitrogen,
total shoot nitrogen, nitrogen uptake,
specific leaf nitrogen
RILs
IR69093-4-3-2/
IR72
Laza et al.
(2006)
9
Yield
RIL
Morex  Barke
Han et al.
(2016)
10 Relative root dry weight, spikelet
number per panicle, spikelet fertility,
1000-grain weight
ILs
Shuhui
527 86 Â Minghui
Cho et al.
(2007)
11 Grain protein content
Lewis  Karl
Mickelson
et al. (2003)
12 Total plant nitrogen, nitrogen-use
efficiency
DHs
IR64/Azucena
Senthilvel
et al. (2008)
Phosphorus
13 Grain yield per plant, biomass, harvest
index, etc.
RILs
IR64/INRC10192
Srividya et al.
(2010)
14 Grain yield per plant, grain number per
panicle
RILs
Zhenshan 97/HR5 Tong et al.
(2011)
15 Nitrogen deficiency tolerance and
nitrogen-use efficiency
RILs
Zhenshan 97 and
Minghui 63
Wei et al.
(2012)
16 Total plant nitrogen, nitrogen dry
matter production efficiency, nitrogen
grain production efficiency, total grain
number
RIL
Dasanbyeo/
TR22183
Piao et al.
(2009)
20 The Potential of Biotechnology on Soil Quality by Minimizing Agrochemical. . .
415
important for phosphorus uptake, was also identified and characterized by DNA
based molecular techniques (Chin et al. 2011).
Table 20.1 QTLs identified to control nitrogen and phosphorus use-efficiency
Sl.
No Traits
Population Cross
References
1
Plant height
DHs
IR64/Azucena
Fang and Wu
(2001)
2
Grain number, low tiller number, and
strong culm
Ipa
OsSPL14
Jiao et al.
(2010)
3
N uptake (NUP), grain yield, biomass
yield, N use efficiency (NUE)
CSSLs
9311/Nipponbare
Zhou et al.
(2017)
4
Twelve physiological and agronomic
traits
RILs
IR64/Azucena
Nguyen et al.
(2016)
5
Glutamine synthetase, panicle number
per plant, panicle weight
NILs
Koshihikari/
Kasalath
Obara et al.
(2001)
6
Root dry weight, shoot dry weight,
biomass
RILs
Zhenshan97/
Minghui 63
Tong et al.
(2006)
7
Grain protein content
RIL
Morex  Barke
Pasam et al.
(2012), Han
et al. (2016)
8
Total grain number, total leaf nitrogen,
total shoot nitrogen, nitrogen uptake,
specific leaf nitrogen
RILs
IR69093-4-3-2/
IR72
Laza et al.
(2006)
9
Yield
RIL
Morex  Barke
Han et al.
(2016)
10 Relative root dry weight, spikelet
number per panicle, spikelet fertility,
1000-grain weight
ILs
Shuhui
527 86 Â Minghui
Cho et al.
(2007)
11 Grain protein content
Lewis  Karl
Mickelson
et al. (2003)
12 Total plant nitrogen, nitrogen-use
efficiency
DHs
IR64/Azucena
Senthilvel
et al. (2008)
Phosphorus
13 Grain yield per plant, biomass, harvest
index, etc.
RILs
IR64/INRC10192
Srividya et al.
(2010)
14 Grain yield per plant, grain number per
panicle
RILs
Zhenshan 97/HR5 Tong et al.
(2011)
15 Nitrogen deficiency tolerance and
nitrogen-use efficiency
RILs
Zhenshan 97 and
Minghui 63
Wei et al.
(2012)
16 Total plant nitrogen, nitrogen dry
matter production efficiency, nitrogen
grain production efficiency, total grain
number
RIL
Dasanbyeo/
TR22183
Piao et al.
(2009)
20 The Potential of Biotechnology on Soil Quality by Minimizing Agrochemical. . .
415