Comprehensive evaluation of drought resistance during the rapid growth stage of sugar beet cultivars

doi:10.6048/j.issn.1001-4330.2024.09.008

Abstract

Abstract:

【Objective】 Drought is one of the important factors that restrict the growth of sugar beet, directly affecting sugar beet yield, sugar content,and sugar production so identifying the drought resistance of sugar beet during the rapid growth period of the leaf rosette,and selecting drought-resistant materials,are of great significance for the breeding of new sugar beet varieties. 【Methods】 In this study,357 domestic and foreign germplasm materials were used,and two treatments,normal irrigation and drought stress,were applied to determine seven main indicators including chlorophyll content,leaf area index,and plant height. Eight drought resistance indicators,including yield drought resistance index and comprehensive drought resistance index,were used for comprehensive evaluation of each germplasm material.Genetic diversity analysis of 72 germplasm materials was conducted using SSR molecular markers to analyze the genetic relationship between different drought-resistant germplasm materials of sugar beet. 【Results】 Under drought stress,the average values of all indicators decreased,with the decrease magnitude in the following order: yield (26.05%),sugar production (16.77%),plant height (14.85%),leaf number (8.43%),leaf area index (2.6%). There was a significant positive correlation among drought resistance indicators,and chlorophyll content,leaf area index,etc.were significantly or extremely significantly positively correlated with drought resistance indicators. 【Conclusion】 Leaf area index,plant height,leaf number,yield,and sugar production during the rapid growth period of the leaf rosette are five important indicators for determining the drought resistance of sugar beet germplasm materials under water stress. Based on the comprehensive evaluation of eight drought resistance indicators, 10 drought-resistant germplasm materials were selected. Among the 72 core germplasm materials analyzed using SSR markers,there was a close genetic relationship,and the drought-resistant germplasm materials XJT4121 and XJT1317 were sister lines.

Key words: sugar beet; drought stress; drought resistance evaluation; leaf area index; correlation; genetic diversity.

摘要：

【目的】干旱是制约甜菜生长的重要因素之一,直接影响甜菜产量、含糖率和产糖量,鉴定甜菜叶丛快速生长期的抗旱性,筛选出抗旱品系材料,对甜菜新品种的选育具有重要意义。【方法】选357份甜菜品系材料,设置正常灌溉灌溉和干旱胁迫2种处理,测定甜菜品质叶绿素、叶面积指数和株高等7个主要指标。以产量抗旱指数、综合抗旱指数等 8 个指标为抗旱指标,综合评价各品系材料。利用 SSR 分子标记分析其中 72 份品系材料的遗传多样性,分析甜菜不同抗旱品系材料之间的亲缘关系。【结果】干旱胁迫下,各指标的平均值均有所下降,下降幅度由大到小分别为产量(26.05%)、产糖量(16.77%)、株高(14.85%)、叶片数(8.43%)和叶面积指数(2.6%);抗旱指标间多呈极显著正相关,叶绿素、叶面积指数等与抗旱指标之间多呈显著或极显著正相关。【结论】叶丛快速生长期叶面积指数、株高、叶片数、产量、产糖量是判定水分胁迫下甜菜品系材料抗旱性的5个重要指标,基于 8 个抗旱指标综合评价出 10 份抗旱品系材料,72份核心骨干材料亲缘关系较近,其中10 份抗旱品系材料 XJT4121 和 XJT1317为姊妹系。

关键词: 甜菜, 干旱胁迫, 抗旱性评价, 叶面积指数, 相关性, 遗传多样性

CLC Number:

S566.3

ZENG Wanying, GENG Hongwei, CHENG Yukun, LI Sizhong, QIAN Songting, GAO Weishi, ZHANG Liming. Comprehensive evaluation of drought resistance during the rapid growth stage of sugar beet cultivars[J]. Xinjiang Agricultural Sciences, 2024, 61(9): 2140-2151.

曾婉盈, 耿洪伟, 程宇坤, 李思忠, 钱松廷, 高卫时, 张立明. 甜菜品系叶丛快速生长期抗旱性综合评价[J]. 新疆农业科学, 2024, 61(9): 2140-2151.

Figures/Tables 13

References 28

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序号 No.	品系材料 Strain	序号 No.	品系材料 Strain	序号 No.	品系材料 Strain	序号 No.	品系材料 Strain
1	ST0139	91	KN2281	181	DM1142	271	XJT0510
2	GM1265	92	DM1041	182	DM1041	272	XJT3985
3	ST3429	93	HI0991	183	DM1042	273	KN8141
4	K381	94	XJT1451	184	DM1043	274	ST8160
5	BT5665	95	XJT4124	185	KN4044	275	FG1542
6	KN8135	96	SV7521	186	KN0442	276	FG0621
7	XJT4175	97	K1971	187	KN0421	277	FG4248
8	KN8167	98	ST0171	188	KN0422	278	FG2112
9	ST0226	99	KN1357	189	KN0611	279	GM2065
10	BT4647	100	K5022	190	KN0612	280	GM1121
11	K0109	101	BT5682	191	K4111	281	GM4281
12	ST0248	102	ST4178	192	K4112	282	BT1127
13	K9147	103	XJT0501	193	K4113	283	BT6419
14	XJT0980	104	KN7048	194	K4114	284	BT1921
15	K6661	105	BT7059	195	K4051	285	RB1191
16	XJT2066	106	XJT7065	196	K4031	286	RB1202
17	GM2660	107	ST7081	197	K4032	287	RB1192
18	MA3022	108	XJT4167	198	K4033	288	RB1207
19	BT3372	109	BT1752	199	K4034	289	RB3031
20	BT3378	110	FG8006	200	K4035	290	RB3036
21	BT1808	111	ST1816	201	K6413	291	KN8148
22	XIT4190	112	XJT3670	202	K4104	292	MB9607
23	KN1554	113	K0143	203	GW6345	293	K0313
24	GM2608	114	ST7085	204	GW6341	294	K0517
25	XJT2031	115	XJT6353	205	GW6342	295	K0514
26	ST13429	116	K4035	206	GW6343	296	ST1801
27	GM2635	117	K0564	207	GW6344	297	RB3016
28	K4840	118	K7152	208	GW6346	298	FG2482
29	ST4130	119	K0355	209	GW6386	299	FG2364
30	K9437	120	KES1471	210	GW6382	300	FG5424
31	K4140	121	K4032	211	GW6421	301	BT4192
32	K2516	122	GM7101	212	GW6422	302	FG1236
33	K9730	123	GM7102	213	GW6385	303	BT2117
34	XJT2850	124	GM7103	214	GW6353	304	RB3041
35	KN1470	125	MDH1540	215	GW6452	305	RB1141
36	KN7520	126	XJT3984	216	GW6451	306	KN1825
37	XJT4140	127	XJT6341	217	GW6453	307	FG1127
38	DM0560	128	KN2282	218	GW6454	308	MB0769
39	DM1155	129	XJT4170	219	GW6402	309	K2211
40	K2590	130	XJT7048	220	GW6403	310	K0310
41	K0380	131	K7070	221	GW6401	311	K1837
42	XIT0370	132	XJT7080	222	ST3029	312	K1137
43	BT5625	133	K7058	223	GW6362	313	K1118
44	XJT4157	134	XJT4187	224	GW6371	314	K4037
45	XJT4128	135	ST4171	225	GW6372	315	K0534
46	ST2528	136	ST4157	226	GW6373	316	FG2412
47	KN4180	137	ST4170	227	GW6374	317	FG5482
48	LEN1905	138	BT1580	228	GW6375	318	FG1121
49	YDM1352	139	K0352	229	GW6331	319	FG1113
50	YDM3022	140	BT1356	230	GW6431	320	FG2122
51	LEN1906	141	BT1464	231	K1253	321	FG3015
52	YDM1357	142	K6411	232	GW6412	322	GM2062
53	XIT0319	143	K2579	233	GW6441	323	GM0611
54	K1119	144	XJT4322	234	GW6442	324	BT6411
55	KN7529	145	XJT4121	235	GW6443	325	RB1190
56	KN5549	146	BT4641	236	GW6445	326	RB3026
57	XJT1219	147	HXZ9103	237	KN2812	327	RB3049
58	K0541	148	BT3562	238	KN2811	328	RB3023
59	ST2419	149	XJT9845	239	KN1222	329	KN1284
60	KN8149	150	BT2182	240	KN2215	330	FG8257
61	ST3112	151	XJT6311	241	KN2212	331	K6531
62	BT5641	152	BT1464	242	KN2214	332	RB3032
63	ST0241	153	K3935	243	KN8142	333	K0322
64	K2519	154	BT4645	244	KN8144	334	K0541
65	K64031	155	ST2830	245	KN8148	335	YDM0474
66	BT6441	156	XIT1337	246	BT3562	336	FG1931
67	K1092	157	K2534	247	BT3565	337	FG1223
68	XJT8092	158	XJT4117	248	BT3561	338	RB3126
69	K2323	159	XJT4122	249	BT3563	339	RB3127
70	BT3781	160	XJT1217	250	BT3564	340	MB9310
71	K5951	161	BT6421	251	BT4641	341	FG1128
72	K3143	162	DM2070	252	XJT4123	342	MB6123
73	ST3172	163	BT5617	253	XJT4135	343	K1120
74	BT1653	164	ST0661	254	XJT4133	344	K1110
75	KN5542	165	K2533	255	XJT1213	345	K3112
76	ST3112	166	KN2821	256	XJT4165	346	K3212
77	ST6171	167	K1471	257	BT4642	347	K2115
78	ST3039	168	BT1821	258	BT4645	348	K1124
79	BT3771	169	XJT4126	259	BT2181	349	K2212
80	K3142	170	ST2412	260	ST4165	350	K2217
81	BT3795	171	K9351	261	XJT3313	351	K5318
82	K1201	172	ST8109	262	XJT1411	352	K5315
83	SV1662	173	XJT6317	263	XJT1152	353	K1113
84	K1171	174	HXZ1012	264	XJT1217	354	K5313
85	K1118	175	XJT3916	265	GW6311	355	FG3157
86	BT6420	176	ST4165	266	GW6312	356	K0513
87	XJT3241	177	XJT1317	267	YDM0099	357	FG3119
88	BT5611	178	ST3992	268	BT5635
89	XJT4132	179	K1476	269	XJT3618
90	XJT636	180	DM1141	270	XJT1133

序号 No.	品系材料 Strain	序号 No.	品系材料 Strain	序号 No.	品系材料 Strain	序号 No.	品系材料 Strain
1	ST0139	91	KN2281	181	DM1142	271	XJT0510
2	GM1265	92	DM1041	182	DM1041	272	XJT3985
3	ST3429	93	HI0991	183	DM1042	273	KN8141
4	K381	94	XJT1451	184	DM1043	274	ST8160
5	BT5665	95	XJT4124	185	KN4044	275	FG1542
6	KN8135	96	SV7521	186	KN0442	276	FG0621
7	XJT4175	97	K1971	187	KN0421	277	FG4248
8	KN8167	98	ST0171	188	KN0422	278	FG2112
9	ST0226	99	KN1357	189	KN0611	279	GM2065
10	BT4647	100	K5022	190	KN0612	280	GM1121
11	K0109	101	BT5682	191	K4111	281	GM4281
12	ST0248	102	ST4178	192	K4112	282	BT1127
13	K9147	103	XJT0501	193	K4113	283	BT6419
14	XJT0980	104	KN7048	194	K4114	284	BT1921
15	K6661	105	BT7059	195	K4051	285	RB1191
16	XJT2066	106	XJT7065	196	K4031	286	RB1202
17	GM2660	107	ST7081	197	K4032	287	RB1192
18	MA3022	108	XJT4167	198	K4033	288	RB1207
19	BT3372	109	BT1752	199	K4034	289	RB3031
20	BT3378	110	FG8006	200	K4035	290	RB3036
21	BT1808	111	ST1816	201	K6413	291	KN8148
22	XIT4190	112	XJT3670	202	K4104	292	MB9607
23	KN1554	113	K0143	203	GW6345	293	K0313
24	GM2608	114	ST7085	204	GW6341	294	K0517
25	XJT2031	115	XJT6353	205	GW6342	295	K0514
26	ST13429	116	K4035	206	GW6343	296	ST1801
27	GM2635	117	K0564	207	GW6344	297	RB3016
28	K4840	118	K7152	208	GW6346	298	FG2482
29	ST4130	119	K0355	209	GW6386	299	FG2364
30	K9437	120	KES1471	210	GW6382	300	FG5424
31	K4140	121	K4032	211	GW6421	301	BT4192
32	K2516	122	GM7101	212	GW6422	302	FG1236
33	K9730	123	GM7102	213	GW6385	303	BT2117
34	XJT2850	124	GM7103	214	GW6353	304	RB3041
35	KN1470	125	MDH1540	215	GW6452	305	RB1141
36	KN7520	126	XJT3984	216	GW6451	306	KN1825
37	XJT4140	127	XJT6341	217	GW6453	307	FG1127
38	DM0560	128	KN2282	218	GW6454	308	MB0769
39	DM1155	129	XJT4170	219	GW6402	309	K2211
40	K2590	130	XJT7048	220	GW6403	310	K0310
41	K0380	131	K7070	221	GW6401	311	K1837
42	XIT0370	132	XJT7080	222	ST3029	312	K1137
43	BT5625	133	K7058	223	GW6362	313	K1118
44	XJT4157	134	XJT4187	224	GW6371	314	K4037
45	XJT4128	135	ST4171	225	GW6372	315	K0534
46	ST2528	136	ST4157	226	GW6373	316	FG2412
47	KN4180	137	ST4170	227	GW6374	317	FG5482
48	LEN1905	138	BT1580	228	GW6375	318	FG1121
49	YDM1352	139	K0352	229	GW6331	319	FG1113
50	YDM3022	140	BT1356	230	GW6431	320	FG2122
51	LEN1906	141	BT1464	231	K1253	321	FG3015
52	YDM1357	142	K6411	232	GW6412	322	GM2062
53	XIT0319	143	K2579	233	GW6441	323	GM0611
54	K1119	144	XJT4322	234	GW6442	324	BT6411
55	KN7529	145	XJT4121	235	GW6443	325	RB1190
56	KN5549	146	BT4641	236	GW6445	326	RB3026
57	XJT1219	147	HXZ9103	237	KN2812	327	RB3049
58	K0541	148	BT3562	238	KN2811	328	RB3023
59	ST2419	149	XJT9845	239	KN1222	329	KN1284
60	KN8149	150	BT2182	240	KN2215	330	FG8257
61	ST3112	151	XJT6311	241	KN2212	331	K6531
62	BT5641	152	BT1464	242	KN2214	332	RB3032
63	ST0241	153	K3935	243	KN8142	333	K0322
64	K2519	154	BT4645	244	KN8144	334	K0541
65	K64031	155	ST2830	245	KN8148	335	YDM0474
66	BT6441	156	XIT1337	246	BT3562	336	FG1931
67	K1092	157	K2534	247	BT3565	337	FG1223
68	XJT8092	158	XJT4117	248	BT3561	338	RB3126
69	K2323	159	XJT4122	249	BT3563	339	RB3127
70	BT3781	160	XJT1217	250	BT3564	340	MB9310
71	K5951	161	BT6421	251	BT4641	341	FG1128
72	K3143	162	DM2070	252	XJT4123	342	MB6123
73	ST3172	163	BT5617	253	XJT4135	343	K1120
74	BT1653	164	ST0661	254	XJT4133	344	K1110
75	KN5542	165	K2533	255	XJT1213	345	K3112
76	ST3112	166	KN2821	256	XJT4165	346	K3212
77	ST6171	167	K1471	257	BT4642	347	K2115
78	ST3039	168	BT1821	258	BT4645	348	K1124
79	BT3771	169	XJT4126	259	BT2181	349	K2212
80	K3142	170	ST2412	260	ST4165	350	K2217
81	BT3795	171	K9351	261	XJT3313	351	K5318
82	K1201	172	ST8109	262	XJT1411	352	K5315
83	SV1662	173	XJT6317	263	XJT1152	353	K1113
84	K1171	174	HXZ1012	264	XJT1217	354	K5313
85	K1118	175	XJT3916	265	GW6311	355	FG3157
86	BT6420	176	ST4165	266	GW6312	356	K0513
87	XJT3241	177	XJT1317	267	YDM0099	357	FG3119
88	BT5611	178	ST3992	268	BT5635
89	XJT4132	179	K1476	269	XJT3618
90	XJT636	180	DM1141	270	XJT1133

引物名称 Primers	序列 Sequence	长度 Length	引物名称 Primers	序列 Sequence	长度 Length
bmb6-F	CTCTGCCTGAATTACTAATCC	21	bmb6-R	CAACTTCAATCAGGCAGTGC	20
BvATT2-F	CGGCAACCAATCAATCTAGG	20	BvATT2-R	AGGGTTTCGGGTCATGCTAT	20
BvCA2-F	CCTTGCTAGTTGCTGCTGTG	20	BvCA2-R	GCATATGTACAAGAGAGCCGTTT	23
BvGTGTT1-F	GGTTGGTGCACGAAGTGAC	19	BvGTGTT1-R	GCCTAGAAGGTGGGAACTCA	20
BvGTT6-F	GAAATTAGGCGACTACTTGCAG	22	BvGTT6-R	GGGCACAAAAACACACCTCT	20
BvTAC1-F	GGGAGCTCTCTGCCTTTTG	19	BvTAC1-R	CATGACCATTACCATTACTCTCCA	24
Bvv01-F	CCATATGGAGGGGTAGAGCA	20	Bvv01-R	GTTTGCACCATAGGCACCACCACTTG	26
Bvv15-F	TGCTGACCTTGCAGTTAATAAGTT	24	Bvv15-R	GTTTCATGTGATGGCTTGCTTTCTAA	26
Bvv17-F	CGACGCCTTTTTGAAGGAATAGGAT	25	Bvv17-R	GTTTCACCCCTGGGTCCTGATCTACAAC	28
Bvv186-F	CACCATAACCGCCCCCACCATAAT	24	Bvv186-R	GTTTCTTGGCCGTAGGGTAAGGGTCAACTA	30
Bvv21-F	TTGGAGTCGAAGTAGTAGTGTTAT	24	Bvv21-R	GTTTATTCAGGGGTGGTGTTTG	22
Bvv22-F	CTATGCATCGCCCAATAATTACTTAA	26	Bvv22-R	GTTTATATAACACTGCTTATTTAATGTCC	29
Bvv23-F	TCAACCCAGGACTATCACG	19	Bvv23-R	GTTTACTGACAAAGCAAATGACCTACTA	28
Bvv257-F	GAAACCACATAAAAACCCCTCTTA	24	Bvv257-R	GTTTCAAGTAGTCCCGTTAACATCTGA	27
Bvv32-F	AGAAGCCTTTAAAATCCAACT	21	Bvv32-R	GTTTACATATGGAACTTTAATGAACAAGTGATAT	34
Bvv45-F	GTATAGCAAAAGTCATTTTGTTTGTGT	27	Bvv45-R	GTTTCTCGGCCTTCCCTTTCTAATGTCTAG	30
Bvv53-F	CATGTCGAGGAGTGAGTTCAGGAA	24	Bvv53-R	GTTTCAACTATAGGTGCATCTTTTAC	26
GAA1-F	TGGATGTTGTACTAAAGCCTCA	22	GAA1-R	TCCTACCAAAATGCTGCTTC	20
GCC1-F	TAGACCAAAACCAGAGCAGC	20	GCC1-R	TGCTCTCATTTCGTATGCAC	20
GTT1-F	CAAAAGCTCCCTAGGCTT	18	GTT1-R	ACTAGCTCGCAGAGTAATCG	20
S13-F	GCACTGCGTGTGCTGTGGTG	20	S13-R	TGGTTGAAGACCCAAAACTA	20
S8-F	GCACGCCTCCCTTTGTCGCT	20	S8-R	TGCAAGGGTACGGTTGCGGC	20
SB04-F	ACCGATCACCAATTCACCAT	20	SB04-R	GTTTTGTTTTGGGCGAAATG	20
SB06-F	AAATTTTCGCCACCACTGTC	20	SB06-R	ACCAAAGATCGAGCGAAGAA	20
SB09-F	TGCATAAAACCCCCAACAAT	20	SB09-R	AGGGCAACTTTGTTTTGTGG	20
SB11-F	CGAGGGGTAAAACCAGACAA	20	SB11-R	GGTTCTGAAATTTGGGGGTT	20
SB13-F	ACAGCAAGATCAGAGCCGTT	20	SB13-R	TGGACCCACCATTTACATCA	20
S10-F	CGAGGGGTAAAACCAGACAA	20	S10-R	GGTTCTGAAATTTGGGGGTT	20
SB15-F	CACCCAGCCTATCTCTCGAC	20	SB15-R	GTGGTGGGCAGTTTTAGGAA	20

引物名称 Primers	序列 Sequence	长度 Length	引物名称 Primers	序列 Sequence	长度 Length
bmb6-F	CTCTGCCTGAATTACTAATCC	21	bmb6-R	CAACTTCAATCAGGCAGTGC	20
BvATT2-F	CGGCAACCAATCAATCTAGG	20	BvATT2-R	AGGGTTTCGGGTCATGCTAT	20
BvCA2-F	CCTTGCTAGTTGCTGCTGTG	20	BvCA2-R	GCATATGTACAAGAGAGCCGTTT	23
BvGTGTT1-F	GGTTGGTGCACGAAGTGAC	19	BvGTGTT1-R	GCCTAGAAGGTGGGAACTCA	20
BvGTT6-F	GAAATTAGGCGACTACTTGCAG	22	BvGTT6-R	GGGCACAAAAACACACCTCT	20
BvTAC1-F	GGGAGCTCTCTGCCTTTTG	19	BvTAC1-R	CATGACCATTACCATTACTCTCCA	24
Bvv01-F	CCATATGGAGGGGTAGAGCA	20	Bvv01-R	GTTTGCACCATAGGCACCACCACTTG	26
Bvv15-F	TGCTGACCTTGCAGTTAATAAGTT	24	Bvv15-R	GTTTCATGTGATGGCTTGCTTTCTAA	26
Bvv17-F	CGACGCCTTTTTGAAGGAATAGGAT	25	Bvv17-R	GTTTCACCCCTGGGTCCTGATCTACAAC	28
Bvv186-F	CACCATAACCGCCCCCACCATAAT	24	Bvv186-R	GTTTCTTGGCCGTAGGGTAAGGGTCAACTA	30
Bvv21-F	TTGGAGTCGAAGTAGTAGTGTTAT	24	Bvv21-R	GTTTATTCAGGGGTGGTGTTTG	22
Bvv22-F	CTATGCATCGCCCAATAATTACTTAA	26	Bvv22-R	GTTTATATAACACTGCTTATTTAATGTCC	29
Bvv23-F	TCAACCCAGGACTATCACG	19	Bvv23-R	GTTTACTGACAAAGCAAATGACCTACTA	28
Bvv257-F	GAAACCACATAAAAACCCCTCTTA	24	Bvv257-R	GTTTCAAGTAGTCCCGTTAACATCTGA	27
Bvv32-F	AGAAGCCTTTAAAATCCAACT	21	Bvv32-R	GTTTACATATGGAACTTTAATGAACAAGTGATAT	34
Bvv45-F	GTATAGCAAAAGTCATTTTGTTTGTGT	27	Bvv45-R	GTTTCTCGGCCTTCCCTTTCTAATGTCTAG	30
Bvv53-F	CATGTCGAGGAGTGAGTTCAGGAA	24	Bvv53-R	GTTTCAACTATAGGTGCATCTTTTAC	26
GAA1-F	TGGATGTTGTACTAAAGCCTCA	22	GAA1-R	TCCTACCAAAATGCTGCTTC	20
GCC1-F	TAGACCAAAACCAGAGCAGC	20	GCC1-R	TGCTCTCATTTCGTATGCAC	20
GTT1-F	CAAAAGCTCCCTAGGCTT	18	GTT1-R	ACTAGCTCGCAGAGTAATCG	20
S13-F	GCACTGCGTGTGCTGTGGTG	20	S13-R	TGGTTGAAGACCCAAAACTA	20
S8-F	GCACGCCTCCCTTTGTCGCT	20	S8-R	TGCAAGGGTACGGTTGCGGC	20
SB04-F	ACCGATCACCAATTCACCAT	20	SB04-R	GTTTTGTTTTGGGCGAAATG	20
SB06-F	AAATTTTCGCCACCACTGTC	20	SB06-R	ACCAAAGATCGAGCGAAGAA	20
SB09-F	TGCATAAAACCCCCAACAAT	20	SB09-R	AGGGCAACTTTGTTTTGTGG	20
SB11-F	CGAGGGGTAAAACCAGACAA	20	SB11-R	GGTTCTGAAATTTGGGGGTT	20
SB13-F	ACAGCAAGATCAGAGCCGTT	20	SB13-R	TGGACCCACCATTTACATCA	20
S10-F	CGAGGGGTAAAACCAGACAA	20	S10-R	GGTTCTGAAATTTGGGGGTT	20
SB15-F	CACCCAGCCTATCTCTCGAC	20	SB15-R	GTGGTGGGCAGTTTTAGGAA	20

性状 Traits	正常灌溉Normal irrigation					干旱胁迫Drought stress
性状 Traits	最大值 Max	最小值 Min	平均值 Average	标准差 SD	变异系数 CV(%)	最大值 Max	最小值 Min	平均值 Average	标准差 SD	变异系数 CV(%)
叶绿素 Chlorophyll	56.30	41.87	48.21	2.45	5.10	59.43	45.22	51.71	2.34	4.53
叶面积指数 Leaf area index	6.95	3.84	5.10	0.54	10.51	6.86	2.84	4.98	0.73	14.73
株高 Height	55.44	28.00	45.52	4.85	10.65	51.00	24.78	38.76	4.07	10.51
叶片数 Number of leaves	41.40	9.80	13.75	2.18	15.91	18.60	7.60	12.59	1.55	12.34
产量 Yield	21.43	1.33	10.48	3.59	34.21	18.57	1.67	7.75	2.80	36.16
含糖率 Sugar content	18.33	8.12	13.06	1.25	9.54	20.06	8.98	14.66	1.57	10.75
产糖量 Sugar production	3.40	0.14	1.61	0.56	34.94	3.21	0.25	1.34	0.52	38.64