
Identification of resistance levels and preliminary investigation of resistance mechamism in sunflower varieties against Race G of Orobanche cumana
Ting-ting BAO, Sheng-hua SHI, Ning-ning YAN, Zhi-da LIU, Jia-le YANG, Wen-bing ZHANG, Jian ZHANG, Zhi-wei ZHANG, Jun ZHAO
CHINESE JOURNAL OF OIL CROP SCIENCES ›› 2024, Vol. 46 ›› Issue (5) : 1129-1139.
Identification of resistance levels and preliminary investigation of resistance mechamism in sunflower varieties against Race G of Orobanche cumana
Orobanche cumana has become a bottleneck factor restricting the healthy development of the sunflower industry in China. Planting sunflower varieties resistant to broomrape is the simplest, feasible, and cost-effective control measure at present. It is important to clarify the mechanism of sunflower resistance for breeding resistant varieties to broomrape. In this study, we used the petri dish filter paper system to edaluate and identify the resistance level of 32 sunflower varieties. We selected two sunflower varieties (JK103 and LD5009) with significant difference in resistance and sensitivity level. After artificial inoculation of the G race, the differences in the number of parasitic nodulation on roots, callose deposition in cell wall, hydrogen peroxide accumulation, ROS scavenging enzyme activity and transcription expression of resistance genes between resistant and susceptible varieties were compared at germination stage, nodulation stage and shoot meristem stage. The results showed as follows: (1) The average number of parasitism tubercle in the roots of JK103 was 3.2, significantly lower than that of LD5009, which was 16.2. The callose mass deposited in the root cell wall of JK103 was significantly higher than that of LD5009; The content of hydrogen peroxide and the activities of different ROS scavenging enzymes in the roots of JK103 and LD5009 showed an initial trend of increase and then later decreased. The magnitude of the changes of the above indicators in the roots of JK103 was significantly higher than that of LD5009 at the same time point; The quantitative transcription level results of the resistance-related genes showed that, except XTH6, the relative expression content of all tested resistance-related genes, such as Ha-PR1, LOX, CAT, etc. in resistant variety JK103 was significantly higher than the susceptible variety LD5009. The above results suggested that sunflower against the infection of broomrape via structural and physiological resistance mechanism, meanwhile, the signal molecules, such as H2O2, JA and SA were also involved in the establishment of sunflower resistance upon the infection of broomrape.
Orobanche cumana / resistance gene / hydrogen peroxide content / antioxidant enzyme activity {{custom_keyword}} /
Table 1 Information of tested sunflower varieties表1 供试向日葵品种信息 |
序号 Serial No | 品种名称 Variety name | 来源 Variety source | 序号 Serial No | 品种名称 Variety name | 来源 Variety source |
---|---|---|---|---|---|
1 | LD5009 | 北京凯福瑞种业公司 Beijing Kefray Seed Company | 17 | ND907 | 内农大植物病理教研室 Department of Plant Pathology, Inner Mongolia Agricultural University |
2 | 赤葵6003 Chukui6003 | 内蒙古赤峰市农牧科学院 Inner Mongolia Chifeng Academy of Agriculture and Animal Husbandry | 18 | 科阳1号 Keyang 1 | 内蒙古农牧科学院 Inner Mongolia Academy of Agriculture and Animal Husbandry |
3 | SH361 | 内蒙古三瑞种业有限责任公司 Inner Mongolia Sanrui Seed Industry Company | 19 | 正和6号 Zhenghe 6 | 正和种业公司 Zhenghe Seed Company |
4 | ND903 | 内农大植物病理教研室 Department of Plant Pathology, Inner Mongolia Agricultural University | 20 | 科阳7号 Keyang 7 | 内蒙古农牧科学院 Inner Mongolia Academy of Agriculture and Animal Husbandry |
5 | LJ126 | 内蒙古巴彦淖尔市杭锦后旗 Inner Mongolia Bayannur City Hangjin Houqi | 21 | ZH9060 | 正和种业公司 Zhenghe Seed Company |
6 | ND901 | 内农大植物病理教研室 Department of Plant Pathology, Inner Mongolia Agricultural University | 22 | 蒙裕6号 Mengyu 6 | 五原县蒙莎农业科技有限公司 Wuyuan County Monza Agricultural Technology Company |
7 | LSK18 | 黑龙江省农业科学院 Heilongjiang Academy of Agricultural Sciences | 23 | JC337 | 金裕种业公司 Jinyu Seed Company |
8 | T33 | 内蒙古农牧科学院 Inner Mongolia Academy of Agriculture and Animal Husbandry | 24 | ND905 | 内农大植物病理教研室 Department of Plant Pathology, Inner Mongolia Agricultural University |
9 | 甘葵2号 Gankui 2 | 黑龙江甘南县向日葵研究所 Heilongjiang Gannan County Sunflower Research Institute | 25 | 吉食葵2号 Jishikui 2 | 吉林省白城市农业科学院 Academy of Agricultural Sciences, Baicheng City, Jilin Province |
10 | ND906 | 内农大植物病理教研室 Department of Plant Pathology, Inner Mongolia Agricultural University | 26 | FA15C44 | 内农大植物病理教研室 Department of Plant Pathology, Inner Mongolia Agricultural University |
11 | JK108 | 吉林省白城市农业科学院 Academy of Agricultural Sciences, Baicheng City, Jilin Province | 27 | JK601 | 吉林省白城市农业科学院 Academy of Agricultural Sciences, Baicheng City, Jilin Province |
12 | 科阳2号 Keyang 2 | 内蒙古农牧科学院 Inner Mongolia Academy of Agriculture and Animal Husbandry | 28 | 奥龙6号 Aolong 6 | 内蒙古奥隆种业有限责任公司 Inner Mongolia Aolong Seed Industry Company |
13 | LX336 | 国家向日葵产业技术体系 National Sunflower Industry Technology System | 29 | SH363 | 内蒙古三瑞种业有限责任公司 Inner Mongolia Sanrui Seed Industry Company |
14 | 龙食葵5号 Longshikui 5 | 黑龙江省农业科学院 Heilongjiang Academy of Agricultural Sciences | 30 | 蒙莎301 Mengsha 301 | 五原县蒙莎农业科技有限公司 Wuyuan County Monza Agricultural Technology Company |
15 | ND902 | 内农大植物病理教研室 Department of Plant Pathology, Inner Mongolia Agricultural University | 31 | 临葵4号 Linkui 4 | 山西省农业科学院 Shanxi Academy of Agricultural Sciences |
16 | HC3568 | 内农大植物病理教研室 Department of Plant Pathology, Inner Mongolia Agricultural University | 32 | JK103 | 吉林省白城市农业科学院 Academy of Agricultural Sciences, Baicheng City, Jilin Province |
Table 2 Classification criteria for resistance to broomrape in sunflower (Petri dish filter paper method) [16]表2 向日葵抗列当水平标准划分(培养皿滤纸法)[16] |
抗病型 Disease resistant type | 每皿向日葵上寄生列当瘤结数(X,个) Number of parasitic broomrape tubercles on sunflower per dish (X, pieces) |
---|---|
免疫Immunity (I) | X=0 |
高抗High Resistance (HR) | 0<X≤5 |
中抗Mild Resistance (MR) | 5<X≤10 |
感病Susceptible (S) | 10<X≤15 |
高感High Susceptibility (HS) | 15<X |
Table3 qRT-PCR primer information in sunflower表3 向日葵qRT-PCR引物信息 |
基因名称 Gene name | 功能 Function | PCR引物序列 PCR primer sequence | GenBank登录号 GenBank login number |
---|---|---|---|
EF-1α | 延长因子(内参基因) Translation | GGATACAACCCCGACAAA | AY094064 |
CCTGAAGTGGGAGACGAA | |||
Mn-SOD | 清除超氧自由基 Scavenging of superoxide radicals | TGAATGCTGAAGGTGCTG | DQ812552 |
CCCAAACATCTATGCCAAT | |||
CAT | 乙醛糖体和过氧化氢酶 Glyoxysomal and peroxisomal enzyme | CGTCTTGGACCGAACTATT | L28740 |
CAAACCACCCACAACTCTG | |||
LOX | JA合成 JA synthesis | GTGTCATCACCGTCCAAC | AX146924 |
GCATAAGCCTTCACTGTCT | |||
ACCO1 | 乙烯合成 Ethylene synthesis | ACAGGGAGTTGATGAAGG | L29405 |
ATGGTGGGTAGTTGCTAA | |||
XTH6 | 细胞壁重建 Cell wall reconstruction | ACCCTTCTGCTGACTTCC | NC-035443 |
TCCTTTGGCTTCATTGTT | |||
Sun-Loc | 苯丙酸类合成 Phenylpropanoic acid synthesis | ACAGAATCTAGCCACACACTACCA | Y12461 |
GGGGTGATGTTGTTGTTGAGGAAT | |||
Ha-PR1 | SA合成 SA synthesis | CTGGTGGACCTTATGGCGAG | KR071874 |
AGTGCACTGAACCCTAGCAC |
Table 4 Indoor resistance identification of sunflower varieties to broomrape表4 向日葵品种抗列当水平室内抗性鉴定 |
序号 serial number | 品种名称 Variety name | 寄生瘤结数(个) Number of parasitic tubercles (individual) | 抗性等级 Resistance grade | 序号 serial number | 品种名称 Variety name | 寄生瘤结数(个) Number of parasitic tubercles (individual) | 抗性等级 Resistance grade |
---|---|---|---|---|---|---|---|
1 | LD5009 | 16.2 | HS | 17 | ND907 | 8.3 | MR |
2 | 赤葵6003 Chikui 6003 | 14.4 | S | 18 | 科阳1号 Keyang 1 | 8.2 | MR |
3 | SH361 | 14.0 | S | 19 | 正和6号 Zhenghe 6 | 7.7 | MR |
4 | ND903 | 12.8 | S | 20 | 科阳7号 Keyang 7 | 7.0 | MR |
5 | LJ126 | 12.7 | S | 21 | ZH9060 | 6.4 | MR |
6 | ND901 | 12.6 | S | 22 | 蒙裕6号 Mengyu 6 | 6.1 | MR |
7 | LSK18 | 12.0 | S | 23 | JC337 | 6.1 | MR |
8 | T33 | 11.7 | S | 24 | ND905 | 6.1 | MR |
9 | 甘葵2号 Gankui 2 | 11.7 | S | 25 | 吉食葵2号 Jishikui 2 | 5.9 | MR |
10 | ND906 | 10.5 | S | 26 | FA15C44 | 5.7 | MR |
11 | JK108 | 9.4 | S | 27 | JK601 | 5.5 | MR |
12 | 科阳2号 Keyang 2 | 9.1 | MR | 28 | 奥龙6号 Aolong 6 | 5.3 | MR |
13 | LX336 | 8.8 | MR | 29 | SH363 | 5.3 | MR |
14 | 龙食葵5号 Longshikui 5 | 8.6 | MR | 30 | 蒙莎301 Mengsha 301 | 4.7 | HR |
15 | ND902 | 8.6 | MR | 31 | 临葵4号 Linkui 4 | 4.2 | HR |
16 | HC3568 | 8.3 | MR | 32 | JK103 | 3.2 | HR |
Fig. 1 Tissue section of resistant and susceptible sunflower root system after infection图1 列当侵染抗、感向日葵根系后的石蜡切片 |
Fig. 2 Callose deposition on cell wall of resistant and susceptible sunflower roots inoculated with broomrape图2 抗、感向日葵根系接种列当后细胞壁上胼胝质的沉积 |
Fig. 4 Accumulation of hydrogen peroxide in root cells of sunflower plants inoculated broomrape图4 抗、感向日葵品种列当侵染后根系细胞中H2O2的积累和ROS清除酶活性的变化 |
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