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. 2020 Aug 13;9(8):1029. doi: 10.3390/plants9081029

Table 1.

SE initiation frequency of sugi seed families carrying the male sterility gene MS1. Data represent the explants with SE initiation response/total number of explants tested; and the numbers in the parentheses represent the initiation frequency (%) for each family at four different seed collection dates.

Seed Family SE Initiation Frequency by Seed Collection Date
July 03 July 10 July 18 July 24 All Collections
♀ ‘Shindai 3’
♂ ‘Suzu 2’
54/156
(34.62)
90/191
(47.12)
101/192
(52.60)
39/168
(23.21)
284/707
(40.17) ***
♀ ‘Fukushima-funen 1’
♂ ‘S3-37(1)’
2/324
(0.62)
25/240
(10.42)
37/276
(13.41)
17/216
(7.87)
81/1056
(7.67) ***
♀ ‘Fukushima-funen 1’
♂ ‘Oi 7’
11/156
(7.05)
144/432
(33.33)
115/204
(56.37)
85/144 (
59.03)
355/936
(37.93) ***
♀ ‘Fukushima-funen 1’
♂ ‘S3-118(2)’
29/120
(24.17)
55/180
(30.56)
136/249
(54.62)
196/468
(41.88)
416/1017
(40.90) ***
All families 96/756
(12.70) ***
314/1043
(30.11) ns
389/921
(42.24) ***
337/996
(33.84) ns
1136/3716
(30.57)

ns: No significant differentiation at p > 0.05 by Pearson’s Chi-squared test; ***: Significantly different at p < 0.001 by Pearson’s Chi-squared test.