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<p>Aphids being agricultural pests and efficient vector of plant pathogenic virus are controlled by insecticide, conventional resistance breeding, biological control, cultural practice, agronomic practice and bio-formulation etc. The insecticide resistance development in aphids, adverse impact on ecological balance and the host resistance breakdown due to new biotype development are the emerging concerns in agriculture. Thus, it requires novel mechanism on aphid control which requires novel perspective of aphid proliferation. Thus, the present study unveiled a novel domain of aphid proliferation on host foliage and reported allelopathic effect from <i>Myzus persicae</i> to <i>Lipaphis erysimi</i>. The <i>Myzus persicae</i> foraging was allowed on susceptible host foliage, <i>Brassica napus</i> for 72&#xa0;h followed by removal of all aphids including proliferated progeny from the host foliage. Immediately, <i>Lipaphis erysimi</i> was released on the same host foliage to monitor the proliferation record. The result evidenced that the previous <i>Myzus persicae</i> foraging significantly curtailed the proliferation of <i>Lipaphis erysimi</i>. Moreover, <i>Lipaphis erysimi</i> proliferation was also curtailed in the presence of <i>Myzus persicae</i> in the same host foliage. <i>Lipaphis erysimi</i> interacted host vascular sap ratio, 260:215&#xa0;nm was significantly lowered in the presence of <i>Myzus persicae</i> in the same foliage indicating an attenuated synthesis of vascular ‘interactome’. Therefore, the present finding unveiled a novel perspective in aphid proliferation mechanism as well as first report on allelopathic effect on <i>Lipaphis erysimi</i> from <i>Myzus persicae</i>.</p>

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A First Report on Allelopathic Effect of Myzus persicae (A Generalist Aphid) on Lipaphis erysimi (A Specialist Aphid)

  • 期刊论文

  • 发表日期：

    2026年3月30日

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  • Farzana Ahmad,
  • Hossain Ali Mondal

摘要

Aphids being agricultural pests and efficient vector of plant pathogenic virus are controlled by insecticide, conventional resistance breeding, biological control, cultural practice, agronomic practice and bio-formulation etc. The insecticide resistance development in aphids, adverse impact on ecological balance and the host resistance breakdown due to new biotype development are the emerging concerns in agriculture. Thus, it requires novel mechanism on aphid control which requires novel perspective of aphid proliferation. Thus, the present study unveiled a novel domain of aphid proliferation on host foliage and reported allelopathic effect from Myzus persicae to Lipaphis erysimi. The Myzus persicae foraging was allowed on susceptible host foliage, Brassica napus for 72 h followed by removal of all aphids including proliferated progeny from the host foliage. Immediately, Lipaphis erysimi was released on the same host foliage to monitor the proliferation record. The result evidenced that the previous Myzus persicae foraging significantly curtailed the proliferation of Lipaphis erysimi. Moreover, Lipaphis erysimi proliferation was also curtailed in the presence of Myzus persicae in the same host foliage. Lipaphis erysimi interacted host vascular sap ratio, 260:215 nm was significantly lowered in the presence of Myzus persicae in the same foliage indicating an attenuated synthesis of vascular ‘interactome’. Therefore, the present finding unveiled a novel perspective in aphid proliferation mechanism as well as first report on allelopathic effect on Lipaphis erysimi from Myzus persicae.