Effects of Seedling Time on Overwintering Rate and Yield of Winter Oil Rapeseeds（Brassica rapa）in Over-exploited Water Area of Hebei Province

doi:10.13560/j.cnki.biotech.bull.1985.2020-0881

Abstract

Abstract:

Studying the adaptability of winter oil rapeseed in Hebei province would provide theoretical reference for the reasonable planting of winter rapeseed in the local area. Twelve varieties with different cold tolerance were introduced and different sowing times（Sep. 5,Sep. 11,Sep. 17,Sep. 23,Sep. 29,and Oct. 5）were set to provide technical support for the popularization and application of winter rapeseed in Hebei province. Results showed that 12 introduced varieties crawled in the field,and their growth points were under ground. All varieties grew to 10-leaf-stage if sowing before Sep. 29,and overwintering rate was > 97%,and yield were high. All varieties failed to reach the 10-leaf-stage if sowing after Sep. 29,with smaller seedlings and lower overwintering rate,among which the yield sowing on Oct. 5 significantly reduced. The correlation analysis demonstrated that the yield was positively correlated with overwintering rate and root diameter,and negatively correlated with sowing date. According to cluster analysis results,12 varieties can be divided into 2 major classes,class Ⅰincluding Tianyou178,Tianyou 142,Hengyou6,Longyou9,with high yield. These 4 varieties adapted to the climate condition of Hebei Hengshui and were suitable for local planting. Class Ⅱ included 8 varieties（Tianyou4,15QX60,Longyou12,16RTS309,Hengyou8,16QD367,and Longyou8）,in which Tianyou4,15QX60 and Longyou12 were a subclass,with lower yield than class,thus they can be used as a reference to local plant varieties. 16RTS309,Hengyou8,16QD367 were a subclass,of which yield was low,it was inferred that they were suitable for southern area of Hengshui. Longyou8 was a subclass,and its yield was the lowest. It was inferred that it was suitable for northern area of Hengshui according to its growth habit. Therefore,Tianyou 178,Tianyou 142,Hengyou 6 and Longyou 9 can be directly used as cultivated varieties at Hengshui. Tianyou 4,15QX60,Longyou 12,16RTS309,16QD367,and Longyou 8 can be considered to be introduced to the north of Hengshui for testing.

Key words: winter oil rapeseed, over-exploited water area, seedling time, overwintering rate, yield

LI He-ping, LI Ji-ming, LI Ai-guo, WU Jun-yan, SONG Cong-min, SHEN Yan-ping, YANG Li. Effects of Seedling Time on Overwintering Rate and Yield of Winter Oil Rapeseeds（Brassica rapa）in Over-exploited Water Area of Hebei Province[J]. Biotechnology Bulletin, 2021, 37(4): 35-46.

Figures/Tables 8

References 23

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名称Name	类型Type	来源Source	名称Name	类型Type	来源Source
天油4号	白菜型油菜	甘肃天水市农业科学研究所	陇油8号	白菜型油菜	甘肃农业大学
16RTS309	白菜型油菜	甘肃农业大学	陇油9号	白菜型油菜	甘肃农业大学
天油178	白菜型油菜	甘肃天水市农业科学研究所	天油142	白菜型油菜	甘肃天水市农业科学研究所
衡油6号	白菜型油菜	河北省农林科学院旱作农业研究所	陇油12号	白菜型油菜	甘肃农业大学
16QD367	白菜型油菜	甘肃农业大学	16QD-15	白菜型油菜	甘肃农业大学
15QX60	白菜型油菜	甘肃农业大学	衡油8号	白菜型油菜	河北省农林科学院旱作农业研究所

名称Name	类型Type	来源Source	名称Name	类型Type	来源Source
天油4号	白菜型油菜	甘肃天水市农业科学研究所	陇油8号	白菜型油菜	甘肃农业大学
16RTS309	白菜型油菜	甘肃农业大学	陇油9号	白菜型油菜	甘肃农业大学
天油178	白菜型油菜	甘肃天水市农业科学研究所	天油142	白菜型油菜	甘肃天水市农业科学研究所
衡油6号	白菜型油菜	河北省农林科学院旱作农业研究所	陇油12号	白菜型油菜	甘肃农业大学
16QD367	白菜型油菜	甘肃农业大学	16QD-15	白菜型油菜	甘肃农业大学
15QX60	白菜型油菜	甘肃农业大学	衡油8号	白菜型油菜	河北省农林科学院旱作农业研究所

品种 Variety	处理 Treatment	根颈直径 Diameter of root/cm	地上部分重 Weight of leaves/g	地下部分重 Weight of roots/g	根冠比 Root-shoot ratio
天油4号 Tianyou 4	T1	1.24±0.02A	86.65	21.83	0.25
	T2	1.31±0.11A	85.26	21.68	0.25
	T3	1.19±0.22A	86.49	20.22	0.23
	T4	1.17±0.03A	82.22	16.60	0.20
	T5	0.92±0.09AB	84.56	6.51	0.08
	T6	0.64±0.04B	40.11	4.04	0.10
16RTS309	T1	1.55±0.23A	70.61	22.22	0.31
	T2	1.55±0.20A	69.45	19.68	0.28
	T3	1.54±0.04A	60.21	18.92	0.31
	T4	1.41±0.07A	59.72	13.66	0.23
	T5	1.12±0.16AB	39.35	7.60	0.19
	T6	0.99±0.06B	16.21	3.02	0.19
天油178 Tianyou 178	T1	1.29±0.05A	88.34	20.84	0.24
	T2	1.26±0.24A	91.05	18.68	0.21
	T3	1.26±0.07A	86.21	20.45	0.24
	T4	1.13±0.14A	77.60	16.40	0.21
	T5	0.88±0.26AB	36.80	8.51	0.23
	T6	0.63±0.11B	24.30	5.09	0.21
衡油6号 Hengyou 6	T1	1.35±0.23A	92.60	21.21	0.23
	T2	1.42±0.30A	91.05	20.11	0.22
	T3	1.24±0.10A	86.21	18.10	0.21
	T4	1.11±0.23A	77.60	14.41	0.19
	T5	1.02±0.14AB	64.80	9.34	0.14
	T6	0.89±0.12B	35.30	3.11	0.09
16QD367	T1	1.43±0.30A	77.40	20.07	0.26
	T2	1.38±0.24A	78.05	21.68	0.28
	T3	1.40±0.22A	74.21	22.45	0.30
	T4	1.30±0.18A	64.60	19.40	0.30
	T5	1.22±0.20AB	50.80	11.51	0.23
	T6	0.99±0.10B	10.30	5.62	0.55
15QX60	T1	1.60±0.04A	79.00	24.32	0.31
	T2	1.55±0.06A	77.20	24.00	0.31
	T3	1.54±0.11A	76.10	22.00	0.29
	T4	1.51±0.20A	67.42	19.00	0.28
	T5	1.22±0.09AB	34.60	8.60	0.25
	T6	1.01±0.13AB	15.55	5.09	0.33
陇油8号 Longyou 8	T1	1.45±0.14A	66.00	24.32	0.37
	T2	1.45±0.26A	61.50	24.00	0.39
	T3	1.44±0.21A	56.66	22.00	0.39
	T4	1.21±0.36A	57.00	19.00	0.33
	T5	1.12±0.22AB	31.62	8.60	0.27
	T6	0.88±0.10B	15.47	6.00	0.39
陇油9号 Longyou 9	T1	1.30±0.16A	71.20	24.32	0.34
	T2	1.32±0.14A	70.00	21.90	0.31
	T3	1.22±0.25A	50.40	20.13	0.40
	T4	1.20±0.09A	50.00	16.08	0.32
	T5	0.97±0.13AB	26.10	7.64	0.29
	T6	0.80±0.16B	11.23	4.33	0.39
天油142 Tianyou 142	T1	1.24±0.24A	80.22	26.66	0.33
	T2	1.21±0.20A	81.60	24.79	0.30
	T3	1.28±0.26A	81.36	20.82	0.26
	T4	1.07±0.13A	72.44	16.40	0.23
	T5	0.90±0.16AB	54.90	4.70	0.09
	T6	0.61±0.10B	20.60	3.03	0.15
陇油12号 Longyou 12	T1	1.38±0.25A	70.00	21.32	0.30
	T2	1.40±0.14A	66.80	25.76	0.39
	T3	1.33±0.11A	63.80	22.90	0.36
	T4	1.19±0.10A	50.47	19.04	0.38
	T5	1.02±0.08AB	22.80	8.77	0.38
	T6	0.78±0.12B	11.76	4.18	0.36
16QD-15	T1	1.53±0.13A	57.80	22.43	0.39
	T2	1.56±0.15A	61.00	23.68	0.39
	T3	1.46±0.08A	55.70	20.90	0.38
	T4	1.33±0.24A	46.80	18.97	0.41
	T5	1.08±0.22AB	28.34	7.92	0.28
	T6	0.75±0.15B	10.33	4.61	0.45
衡油8号 Hengyou 8	T1	1.30±0.09A	81.59	21.60	0.26
	T2	1.28±0.10A	72.07	25.00	0.35
	T3	1.24±0.21A	65.19	20.91	0.32
	T4	1.08±0.13A	56.76	17.52	0.31
	T5	1.00±0.10AB	43.79	9.46	0.22
	T6	0.79±0.22B	22.24	3.08	0.14

品种 Variety	处理 Treatment	根颈直径 Diameter of root/cm	地上部分重 Weight of leaves/g	地下部分重 Weight of roots/g	根冠比 Root-shoot ratio
天油4号 Tianyou 4	T1	1.24±0.02A	86.65	21.83	0.25
	T2	1.31±0.11A	85.26	21.68	0.25
	T3	1.19±0.22A	86.49	20.22	0.23
	T4	1.17±0.03A	82.22	16.60	0.20
	T5	0.92±0.09AB	84.56	6.51	0.08
	T6	0.64±0.04B	40.11	4.04	0.10
16RTS309	T1	1.55±0.23A	70.61	22.22	0.31
	T2	1.55±0.20A	69.45	19.68	0.28
	T3	1.54±0.04A	60.21	18.92	0.31
	T4	1.41±0.07A	59.72	13.66	0.23
	T5	1.12±0.16AB	39.35	7.60	0.19
	T6	0.99±0.06B	16.21	3.02	0.19
天油178 Tianyou 178	T1	1.29±0.05A	88.34	20.84	0.24
	T2	1.26±0.24A	91.05	18.68	0.21
	T3	1.26±0.07A	86.21	20.45	0.24
	T4	1.13±0.14A	77.60	16.40	0.21
	T5	0.88±0.26AB	36.80	8.51	0.23
	T6	0.63±0.11B	24.30	5.09	0.21
衡油6号 Hengyou 6	T1	1.35±0.23A	92.60	21.21	0.23
	T2	1.42±0.30A	91.05	20.11	0.22
	T3	1.24±0.10A	86.21	18.10	0.21
	T4	1.11±0.23A	77.60	14.41	0.19
	T5	1.02±0.14AB	64.80	9.34	0.14
	T6	0.89±0.12B	35.30	3.11	0.09
16QD367	T1	1.43±0.30A	77.40	20.07	0.26
	T2	1.38±0.24A	78.05	21.68	0.28
	T3	1.40±0.22A	74.21	22.45	0.30
	T4	1.30±0.18A	64.60	19.40	0.30
	T5	1.22±0.20AB	50.80	11.51	0.23
	T6	0.99±0.10B	10.30	5.62	0.55
15QX60	T1	1.60±0.04A	79.00	24.32	0.31
	T2	1.55±0.06A	77.20	24.00	0.31
	T3	1.54±0.11A	76.10	22.00	0.29
	T4	1.51±0.20A	67.42	19.00	0.28
	T5	1.22±0.09AB	34.60	8.60	0.25
	T6	1.01±0.13AB	15.55	5.09	0.33
陇油8号 Longyou 8	T1	1.45±0.14A	66.00	24.32	0.37
	T2	1.45±0.26A	61.50	24.00	0.39
	T3	1.44±0.21A	56.66	22.00	0.39
	T4	1.21±0.36A	57.00	19.00	0.33
	T5	1.12±0.22AB	31.62	8.60	0.27
	T6	0.88±0.10B	15.47	6.00	0.39
陇油9号 Longyou 9	T1	1.30±0.16A	71.20	24.32	0.34
	T2	1.32±0.14A	70.00	21.90	0.31
	T3	1.22±0.25A	50.40	20.13	0.40
	T4	1.20±0.09A	50.00	16.08	0.32
	T5	0.97±0.13AB	26.10	7.64	0.29
	T6	0.80±0.16B	11.23	4.33	0.39
天油142 Tianyou 142	T1	1.24±0.24A	80.22	26.66	0.33
	T2	1.21±0.20A	81.60	24.79	0.30
	T3	1.28±0.26A	81.36	20.82	0.26
	T4	1.07±0.13A	72.44	16.40	0.23
	T5	0.90±0.16AB	54.90	4.70	0.09
	T6	0.61±0.10B	20.60	3.03	0.15
陇油12号 Longyou 12	T1	1.38±0.25A	70.00	21.32	0.30
	T2	1.40±0.14A	66.80	25.76	0.39
	T3	1.33±0.11A	63.80	22.90	0.36
	T4	1.19±0.10A	50.47	19.04	0.38
	T5	1.02±0.08AB	22.80	8.77	0.38
	T6	0.78±0.12B	11.76	4.18	0.36
16QD-15	T1	1.53±0.13A	57.80	22.43	0.39
	T2	1.56±0.15A	61.00	23.68	0.39
	T3	1.46±0.08A	55.70	20.90	0.38
	T4	1.33±0.24A	46.80	18.97	0.41
	T5	1.08±0.22AB	28.34	7.92	0.28
	T6	0.75±0.15B	10.33	4.61	0.45
衡油8号 Hengyou 8	T1	1.30±0.09A	81.59	21.60	0.26
	T2	1.28±0.10A	72.07	25.00	0.35
	T3	1.24±0.21A	65.19	20.91	0.32
	T4	1.08±0.13A	56.76	17.52	0.31
	T5	1.00±0.10AB	43.79	9.46	0.22
	T6	0.79±0.22B	22.24	3.08	0.14

品种 Variety	处理 Treatment	越冬率 Overwintering rate/%	10叶期（月/日） 10-leaf phase（mm/dd）	返青期（月/日） Return green phase （mm/dd）	盛花期（月/日） Full-bloom phase （mm/dd）	收获期（月/日） Harvest time （mm/dd）	生育期 Growth period/d
天油4号 Tianyou 4	T1	99.30±0.98A	10/15	3/7	4/8	5/27	264
	T2	99.80±0.97A	10/29	3/7	4/8	5/27	258
	T3	100.00±0.59A	11/6	3/7	4/8	5/27	252
	T4	97.00±1.00A	11/16	3/7	4/9	5/27	246
	T5	89.00±0.44AB	-	3/7	4/9	5/27	240
	T6	74.50±1.25B	-	3/7	4/9	5/27	234
16RTS309	T1	97.60±0.42A	10/16	3/6	4/14	5/28	265
	T2	99.00±0.88A	10/29	3/6	4/14	5/28	257
	T3	99.00±0.58A	11/4	3/6	4/15	5/28	251
	T4	98.50±0.60A	11/15	3/6	4/14	5/28	245
	T5	90.00±0.61A	-	3/6	4/14	5/28	239
	T6	70.50±0.93B	-	3/6	4/15	5/28	233
天油178 Tianyou 178	T1	98.30±0.50A	10/14	3/6	4/12	5/27	264
	T2	99.00±0.58A	10/29	3/6	4/12	5/27	258
	T3	99.80±0.83A	11/6	3/6	4/12	5/27	252
	T4	98.00±0.59A	11/17	3/6	4/12	5/27	246
	T5	81.60±0.59AB	-	3/6	4/12	5/27	240
	T6	70.00±0.49B	-	3/6	4/12	5/27	234
衡油6号 Hengyou 6	T1	99.00±0.60A	10/15	3/6	4/12	5/28	265
	T2	100.00±0.88A	10/28	3/6	4/12	5/28	257
	T3	99.50±0.50A	11/5	3/6	4/12	5/28	251
	T4	98.50±0.38A	11/15	3/6	4/12	5/28	245
	T5	84.50±0.91AB	-	3/6	4/12	5/28	239
	T6	69.50±0.32B	-	3/6	4/12	5/28	233
16QD367	T1	98.00±0.59A	10/15	3/7	4/13	5/29	266
	T2	99.00±0.42A	10/29	3/7	4/13	5/29	258
	T3	99.50±0.60A	11/6	3/7	4/13	5/29	252
	T4	98.50±0.70A	11/16	3/7	4/13	5/29	246
	T5	93.50±0.49A	-	3/7	4/13	5/29	240
	T6	71.00±1.01B	-	3/7	4/13	5/29	234
15QX60	T1	97.00±0.88A	10/15	3/7	4/14	5/29	266
	T2	99.00±0.47A	10/30	3/7	4/14	5/29	258
	T3	99.50±0.60A	11/7	3/7	4/14	5/29	252
	T4	98.00±0.70A	11/18	3/7	4/14	5/29	246
	T5	93.50±0.73A	-	3/7	4/14	5/29	240
	T6	75.00±0.62B	-	3/7	4/14	5/29	234
陇油8号 Longyou 8	T1	99.00±0.59A	10/15	3/6	4/13	5/29	266
	T2	97.00±0.91A	10/30	3/6	4/13	5/29	258
	T3	98.50±0.70A	11/7	3/6	4/13	5/29	252
	T4	97.50±0.44A	11/18	3/6	4/13	5/29	246
	T5	93.50±0.98A	-	3/6	4/13	5/29	240
	T6	79.50±0.92B	-	3/6	4/13	5/29	234
陇油9号 Longyou 9	T1	98.00±0.58A	10/15	3/6	4/13	5/29	266
	T2	99.00±0.44A	10/30	3/6	4/13	5/29	258
	T3	99.50±0.72A	11/7	3/6	4/13	5/29	252
	T4	98.50±0.44A	11/18	3/6	4/13	5/29	246
	T5	93.50±0.47A	-	3/6	4/13	5/29	240
	T6	72.50±0.61B	-	3/6	4/13	5/29	234
天油142 Tianyou 142	T1	98.00±0.88A	10/15	3/7	4/12	5/28	265
	T2	99.00±0.40A	10/30	3/7	4/12	5/28	257
	T3	99.50±0.76A	11/7	3/7	4/12	5/28	251
	T4	98.50±0.73A	11/18	3/7	4/12	5/28	245
	T5	93.50±0.68A	-	3/7	4/12	5/28	239
	T6	69.00±0.42B	-	3/7	4/12	5/28	233
陇油12号 Longyou 12	T1	98.00±0.88A	10/15	3/7	4/12	5/28	265
	T2	99.00±0.30A	10/30	3/7	4/12	5/28	257
	T3	99.50±0.60A	11/7	3/7	4/12	5/29	252
	T4	98.50±0.60A	11/18	3/7	4/12	5/29	246
	T5	93.50±0.92A	-	3/7	4/12	5/29	240
	T6	79.50±0.29B	-	3/7	4/12	5/29	234
16QD-15	T1	98.00±0.59A	10/15	3/7	4/14	5/28	265
	T2	99.00±0.58A	10/30	3/7	4/14	5/29	258
	T3	99.50±0.61A	11/7	3/7	4/14	5/29	252
	T4	98.50±0.60A	11/18	3/7	4/14	5/29	246
	T5	93.50±0.59A	-	3/7	4/14	5/29	240
	T6	73.50±0.70B	-	3/7	4/14	5/29	234
衡油8号 Hengyou 8	T1	98.00±0.45A	10/15	3/6	3/26	5/25	262
	T2	99.20±0.90A	10/29	3/6	3/26	5/25	256
	T3	99.50±0.72A	11/6	3/6	3/26	5/25	250
	T4	98.50±0.46A	11/16	3/6	3/26	5/25	244
	T5	93.50±0.68A	-	3/6	3/26	5/25	238
	T6	78.00±0.52B	-	3/6	3/26	5/25	232