Shakarami, J., Mardani-Talaee, M., Moradi, R. (2021). Investigation of Induced Resistance in Wheat to Sitobion avenae (Hemiptera: Aphididae) under Greenhouse Conditions. , 23(5), 1057-1072.
J. Shakarami; M. Mardani-Talaee; R. Moradi. "Investigation of Induced Resistance in Wheat to Sitobion avenae (Hemiptera: Aphididae) under Greenhouse Conditions". , 23, 5, 2021, 1057-1072.
Shakarami, J., Mardani-Talaee, M., Moradi, R. (2021). 'Investigation of Induced Resistance in Wheat to Sitobion avenae (Hemiptera: Aphididae) under Greenhouse Conditions', , 23(5), pp. 1057-1072.
Shakarami, J., Mardani-Talaee, M., Moradi, R. Investigation of Induced Resistance in Wheat to Sitobion avenae (Hemiptera: Aphididae) under Greenhouse Conditions. , 2021; 23(5): 1057-1072.

Investigation of Induced Resistance in Wheat to Sitobion avenae (Hemiptera: Aphididae) under Greenhouse Conditions

Journal of Agricultural Science and Technology
Article 8, Volume 23, Issue 5, 2021, Pages 1057-1072    PDF (1.98 M)
Document Type: Original Research
Authors
J. Shakarami* ; M. Mardani-Talaee; R. Moradi
Department of Plant Protection, College of Agriculture, Lorestan University, Khorramabad, Islamic Republic of Iran.
Abstract
English grain aphid, Sitobion avenae (Fabricius), is an important worldwide phloem-feeding pest of wheat due to direct sucking damage and transmission of viruses. Here, we tested the effects of six treatments on the fitness traits of S. avenae including: (1) Wheat with a 6-days aphid infestation, (2) Wheat sprayed with Biomin zinc, (3) Wheat seed treated with Bacillus subtilis, and (4 and 5) Combined treatments of Biomin zinc+pre-infestation and B. subtilis+pre-infestation as well as (6) A control treatment. Results revealed that there were significant differences among treatments concerning some allelochemical contents and aphid fitness traits. Treated with B. subtilis+pre-infestation and B. subtilis increased the total contents of phenol in the wheat leaves versus Biomin zinc+pre-infestation (183.63 mg g-1 FW). The net Reproductive rate (R0) of S. avenae was significantly reduced by B. subtilis+pre-infestation (1.533 offspring per adult) compared to the control (6.887 offspring per adult). Treated with B. subtilis+pre-infestation (0.022 d-1) significantly reduced the intrinsic rate of increase (r) of S. avenae compared with the control (0.105 d-1). The lowest (0.024) and highest (0.058) Nymph Growth Index (NGI) of aphid were found on B. subtilis+ pre-infestation and the control, respectively. Hence, it was concluded that B. subtilis+pre-infestation in wheat plants can induce systemic resistance to S. avenae, which can be used in the IPM of this aphid.
Keywords
Age-stage; Aphid; Bacillus subtilis; Life table; Plant-insect interactions
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