From: Heat-tolerant rice cultivars retain grain appearance quality under free-air CO2 enrichment
CultivargroupA | Cultivar(CV) | Heading date | T20DAHB°C | TolerancerankC | Year ofrelease | Note | ||
---|---|---|---|---|---|---|---|---|
FACE | AMB | FACE | AMB | |||||
ST | Akitakomachi | 7/24 | 7/26 | 26.8 ± 0.3 | 26.9 ± 0.3 | S | 1982 | Standard cultivar in this study |
Kinuhikari | 7/30 | 7/30 | 26.7 ± 0.3 | 26.7 ± 0.3 | S | 1983 | Big grains, Standard cultivar in this study | |
Koshihikari | 7/31 | 8/1 | 26.6 ± 0.3 | 26.5 ± 0.3 | MT | 1953 | Standard cultivar in this study | |
Nipponbare | 8/5 | 8/6 | 26.6 ± 0.3 | 26.6 ± 0.3 | MT | 1961 | Standard cultivar in this study | |
Matsuribare | 8/6 | 8/7 | 26.6 ± 0.3 | 26.6 ± 0.3 | S | 1990 | Standard cultivar in this study | |
HT | Mineharuka | 7/29 | 7/30 | 26.8 ± 0.3 | 26.7 ± 0.3 | VT | 2002 | Long & thin grains (Saka et al., [2007]) |
Toyama 80 | 7/30 | 7/31 | 26.7 ± 0.3 | 26.6 ± 0.3 | VT | 2012 | Apq1 on chromosome 7 (Ebitani et al., [2013]) | |
Eminokizuna | 7/31 | 7/31 | 26.6 ± 0.3 | 26.6 ± 0.3 | VT | 2008 | Small grains, useful for sushi | |
Wa2398 | 7/31 | 7/31 | 26.6 ± 0.3 | 26.6 ± 0.3 | VT | not released | QTL on chromosome 2. Derived from ‘Ma Li Xian’ | |
Kanto 257 | 8/1 | 8/1 | 26.5 ± 0.3 | 26.5 ± 0.3 | T | 2011 | Derived from Mineharuka × Ikuhikari | |
Kanto 259 | 8/5 | 8/5 | 26.6 ± 0.3 | 26.6 ± 0.3 | MT– T | 2012 | High-yielding cultivar | |
Saikai 290 | 8/6 | 8/6 | 26.6 ± 0.3 | 26.6 ± 0.3 | VT | 2012 | High-yielding cultivar; good quality, good eating quality | |
Source of variation | df | Statistical significance | ||||||
Block | 3 | |||||||
CO2 | 1 | * | ||||||
Main plot error | 3 | |||||||
CV | 11 | *** | ||||||
GroupD | 1 | P = 0.055 | ||||||
STD | 4 | *** | ||||||
HTD | 6 | *** | ||||||
CO2 × CV | 11 | * | ||||||
CO2 × GroupE | 1 | ns | ||||||
CO2 × STE | 4 | ** | ||||||
CO2 × HTE | 6 | ns | ||||||
Split plot error | 66 |