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Identification of Wheat Germplasm Resistance to Black Point Disease and Molecular Detection of Resistance Loci
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Luqian WANG1, Gaili SONG1, Yumei JIANG1, Feng ZHANG2, Jiangwei TANG1, Chunhao DONG1, Yuhao YUAN1, Zhenpu HUANG1, Guihong YIN1, Qiaoyun LI1
Journal of Triticeae Crops | 2026, 46(4) : 425 - 432
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Journal of Triticeae Crops | 2026, 46(4): 425-432
• Genetics & Breeding •
Identification of Wheat Germplasm Resistance to Black Point Disease and Molecular Detection of Resistance Loci
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Luqian WANG1, Gaili SONG1, Yumei JIANG1, Feng ZHANG2, Jiangwei TANG1, Chunhao DONG1, Yuhao YUAN1, Zhenpu HUANG1, Guihong YIN1, Qiaoyun LI1
Affiliations
  • 1.National Engineering Research Centre for Wheat/College of Agronomy/State Key Laboratory of High-Efficiency Production of Wheat-Maize Double Cropping, Henan Agricultural University, Zhengzhou, Henan 450046, China
  • 2.Henan Saide Seed Co., Ltd./Engineering and Technology Research Center of Wheat Breeding for High Resistance to Powdery Mildew in Henan Province, Zhengzhou, Henan 450001, China
Published: 2026-04-15 doi: 10.7606/j.issn.1009-1041.2026.04.01
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Black point disease (BP) severely affects wheat production, and planting disease-resistant varieties is an important measure to mitigate the damage caused by BP. However, the current lack of resistance sources restricts the improvement of BP resistance. To obtain superior resistance sources for BP, this study inoculated 412 wheat germplasm with the dominant pathogen of BP in the Huanghuai wheat region, Bipolaris sorokiniana, and conducted molecular testing using 16 reported BP resistance-related markers. The results showed that among the 412 tested materials, there were no immune or highly resistant germplasm; 4 showed moderate resistance (1.0%), while 95 (23.1%), 209 (50.7%), and 104 (25.2%) exhibited mild susceptibility, moderate susceptibility, and high susceptibility, respectively. Of the 16 markers, 13 showed polymorphism among different materials, with only 3 tightly linked to BP resistance: wmc170, BP-4A-d20, and Xbarc10. These correspond to the resistance loci QBP-Usq.2A, QBB.hau-4A, and QBB.hau-5A, respectively, with QBB.hau-4A exhibiting a better disease resistance effect. Its presence alone or in combination with other loci can significantly reduce the black point rate in wheat (P<0.01). The 4 moderately resistant materials (Shannong 530070, ZC223, 05CV078, and Shannong 38) can serve as resistance sources for improving BP resistance in wheat, and BP-4A-d20 marker can be used for BP resistance breeding.

Wheat  /  Black point  /  Bipolaris sorokiniana  /  Resistant germplasm  /  Molecular marker
Luqian WANG, Gaili SONG, Yumei JIANG, Feng ZHANG, Jiangwei TANG, Chunhao DONG, Yuhao YUAN, Zhenpu HUANG, Guihong YIN, Qiaoyun LI. Identification of Wheat Germplasm Resistance to Black Point Disease and Molecular Detection of Resistance Loci[J]. Journal of Triticeae Crops, 2026 , 46 (4) : 425 -432 . DOI: 10.7606/j.issn.1009-1041.2026.04.01
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Year 2026 volume 46 Issue 4
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Article Info
doi: 10.7606/j.issn.1009-1041.2026.04.01
  • Receive Date：2025-04-10
  • Online Date：2026-09-11
  • Published：2026-04-15
Article Data
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History
  • Received：2025-04-10
  • Revised：2025-06-12
Funding
Affiliations
    1.National Engineering Research Centre for Wheat/College of Agronomy/State Key Laboratory of High-Efficiency Production of Wheat-Maize Double Cropping, Henan Agricultural University, Zhengzhou, Henan 450046, China
    2.Henan Saide Seed Co., Ltd./Engineering and Technology Research Center of Wheat Breeding for High Resistance to Powdery Mildew in Henan Province, Zhengzhou, Henan 450001, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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