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Table 4 Mean values of heading date, sum of active (> 10 °C) temperatures and active (> 12 h) light days from sowing to heading date in families F3:4 Chris Mutant/Novosibirskaya 67 grouped by Rht-B1 × VRN-B1 and Rht-B1 × Ppd-D1 alleles

From: Effects of Rht17 in combination with Vrn-B1 and Ppd-D1 alleles on agronomic traits in wheat in black earth and non-black earth regions

Genotype Heading date, days from sowing to heading Sum of active (> 10 °C) temperatures to heading date, C Sum of active (> 12 h) light days to heading date, h
Moscow Krasnodar Moscow Krasnodar Moscow Krasnodar
RRVV 52.7 ± 0.7ba 65 ± 2.3a 810 ± 15b 861 ± 48a 875 ± 12b 883 ± 35a
RRvv 53.5 ± 1.4ab 62.3 ± 6a 828 ± 30ab 802 ± 132a 890 ± 24ab 841 ± 90a
rrVV 54.4 ± 1a 64.6 ± 1.3a 847 ± 21a 854 ± 28a 906 ± 18a 877 ± 20a
rrvv 54.2 ± 2ab 66 ± 4.1a 842 ± 44ab 884 ± 104a 901 ± 35ab 898 ± 80a
RRPP 52.7 ± 0.7c 65 ± 2.3b 810 ± 15c 861 ± 48b 875 ± 12c 883 ± 35b
RRpp 53.7 ± 0.8bc 71.9 ± 3.7a 831 ± 17bc 1003 ± 76a 893 ± 14bc 988 ± 56a
rrPP 54.4 ± 1ab 64.6 ± 1.3b 847 ± 21ab 854 ± 28b 906 ± 18ab 877 ± 20b
rrpp 55.1 ± 1.2a 70 ± 5.2a 861 ± 25a 967 ± 104a 917 ± 20a 959 ± 80a
  1. Mean value± confidence intervals at 0.01 significance level are shown
  2. aMean values designated with the same letters have no significant differences within each group of four genotypes (RRVV, RRvv, rrVV, rrvv and RRPP, RRpp, rrPP, rrpp) as calculated using two-way ANOVA