Impact of breeder seed multiplication and certified quality seed distribution on rice production in India

Table 3 BS production in cultivars for a specific period (No. of years), inbred cultivars used (No.), total BS produced (q), and share of a cultivar within the multiplication period to total BS (%)

BS production in cultivars (period)	Cultivars used for BS	BS production (q)				CV	Share of a cultivar to total BS (%)*
	Production (No.)	Total	Minimum	Maximum	Mean	(%)*
1-year only	101	632	0.10	124.97	6.26	61.49	0.64
2-years	50	667	0.41	100.00	13.35	33.58	0.68
3-years	48	1707	0.70	385.55	35.55	22.56	1.74
4-years	21	1027	3.21	213.44	48.89	14.51	1.05
5-years	23	1930	0.87	334.70	83.93	12.31	1.96
6-years	29	1419	6.00	245.18	48.92	14.52	1.44
7-years	32	2204	4.79	304.70	68.87	12.23	2.24
8-years	17	3095	10.50	1591.10	182.07	10.59	3.15
9-years	29	6945	5.00	2297.80	239.49	8.73	7.07
10-years	26	7832	18.30	1279.82	301.23	6.04	7.97
11-years	19	3621	9.70	1103.01	190.57	8.31	3.69
12-years	6	1753	63.00	681.00	292.19	5.16	1.78
13-years	11	2417	33.22	908.50	219.75	7.49	2.46
14-years	8	1646	68.34	477.75	205.72	6.09	1.68
15-years	5	2007	175.27	780.00	401.41	3.89	2.04
16-years	6	2240	147.62	1024.70	373.30	4.83	2.28
17-years	10	3644	107.50	1141.40	364.38	4.84	3.71
18-years	6	1504	117.11	470.31	250.61	4.87	1.53
19-years	2	6552	154.81	6397.34	3276.08	2.03	6.67
20-years	3	13,086	254.30	12,276.15	4362.09	1.90	13.32
21-years	6	5924	93.75	2823.30	987.28	3.23	6.03
22-years	5	3234	157.55	1118.03	646.85	2.95	3.29
23-years	4	7837	352.99	4899.48	1959.16	2.34	7.98
24-years	8	15,325	357.49	5216.26	1915.67	2.18	15.60
Grand total/mean	475	98,247	0.10	12,276.15	206.84	13.53	100

Share of each cultivars to total BS produced within the specified period in inbred cultivars notified by GOI from 1995–96 to 2018–19
*Coefficient of variation (CV%)
Source data: Additional file 1: Table S1

ISSN: 2662-4044