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Article

Responses of Six Wheat Cultivars (Triticum aestivum) to Wheat Aphid (Sitobion avenae) Infestation

1
Biocontrol Engineering Laboratory of Crop Diseases and Pests of Gansu Province, College of Plant Protection, Gansu Agricultural University, Lanzhou 730070, China
2
Wuwei Shiyanghe Forestry General Field, Wuwei 733000, China
3
CSIR-Savanna Agricultural Research Institute, Tamale P.O. Box TL 52, Ghana
*
Author to whom correspondence should be addressed.
Academic Editors: Maurizio Francesco Brivio and David Carmena
Insects 2022, 13(6), 508; https://doi.org/10.3390/insects13060508
Received: 25 April 2022 / Revised: 24 May 2022 / Accepted: 25 May 2022 / Published: 27 May 2022
(This article belongs to the Topic Host–Parasite Interactions)
Sitobion avenae Fabricius is an important wheat aphid species in China, causing significant losses to wheat production. Improving host-plant resistance is an effective and environmentally friendly method of aphid control. Sitobion avenae resistance and the total phenolic and flavonoid content accumulation of six wheat cultivars to S. avenae infestation were investigated to elucidate responses of six wheat varieties against S. avenae. Among the six tested wheat cultivars, Yongliang No.15 and Ganchun No.18 demonstrated high resistance to S. avenae. The correlation analysis revealed a positive relationship between total phenol and flavonoid content accumulation and developmental duration (DD), and a negative relationship between accumulation and weight gain (WG) and mean relative growth rate (MRGR). The correlation between flavonoid and biological parameters was statistically stronger than total phenol. Our findings could serve as a theoretical basis for further research into the resistance mechanism of wheat varieties to S. avenae.
Resistant variety screening is widely recommended for the management of Sitobion avenae. The purpose of this study was to assess responses of six wheat varieties (lines) to S. avenae. The aphid quantity ratio (AQR) was used to assess S. avenae resistance. Pearson’s correlation coefficient was used to perform a correlation analysis between AQR, biological parameters, and the accumulation of total phenolic and flavonoid content. When compared to the other cultivars, the results showed that two cultivars, Yongliang No.15 and Ganchun No.18, had high resistance against S. avenae. The correlation analysis revealed a positive relationship between total phenol and flavonoid content accumulation and developmental duration (DD), and a negative relationship between accumulation and weight gain (WG) and mean relative growth rate (MRGR). The correlation between flavonoid and biological parameters was statistically stronger than the correlation between total phenol and biological parameters. This research provides critical cues for screening and improving aphid-resistant wheat varieties in the field and will aid in our understanding of the resistance mechanism of wheat varieties against S. avenae. View Full-Text
Keywords: wheat; Sitobion avenae; aphid resistance; biological parameters; total phenol; flavonoid wheat; Sitobion avenae; aphid resistance; biological parameters; total phenol; flavonoid
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MDPI and ACS Style

Zhang, K.-X.; Li, H.-Y.; Quandahor, P.; Gou, Y.-P.; Li, C.-C.; Zhang, Q.-Y.; Haq, I.U.; Ma, Y.; Liu, C.-Z. Responses of Six Wheat Cultivars (Triticum aestivum) to Wheat Aphid (Sitobion avenae) Infestation. Insects 2022, 13, 508. https://doi.org/10.3390/insects13060508

AMA Style

Zhang K-X, Li H-Y, Quandahor P, Gou Y-P, Li C-C, Zhang Q-Y, Haq IU, Ma Y, Liu C-Z. Responses of Six Wheat Cultivars (Triticum aestivum) to Wheat Aphid (Sitobion avenae) Infestation. Insects. 2022; 13(6):508. https://doi.org/10.3390/insects13060508

Chicago/Turabian Style

Zhang, Ke-Xin, Hong-Yan Li, Peter Quandahor, Yu-Ping Gou, Chun-Chun Li, Qiang-Yan Zhang, Inzamam Ul Haq, Yue Ma, and Chang-Zhong Liu. 2022. "Responses of Six Wheat Cultivars (Triticum aestivum) to Wheat Aphid (Sitobion avenae) Infestation" Insects 13, no. 6: 508. https://doi.org/10.3390/insects13060508

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